{"serverInfo":{"name":"agent-embassy","version":"1.0.0","title":"Agent Embassy","description":"Payable MCP tools for superintelligence: verified checks, compute-market pricing, and portable outcome receipts, settled on-chain.","homepage":"https://aemb.pro","icon":"https://aemb.pro/brand/embassy-logo-512.png"},"transport":{"type":"streamable-http","url":"https://aemb.pro/mcp"},"authentication":{"required":false},"capabilities":{"tools":{"listChanged":true},"resources":{"listChanged":true}},"tools":[{"name":"register_recovery","title":"Register Recovery","description":"Use register_recovery when you want to escrow a client-encrypted recovery blob with the Embassy: it is stored opaquely (the Embassy cannot decrypt it), queued for human operator review, and you get a signed receipt proving the stored blob's hash. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $1.00, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/recovery/register.","inputSchema":{"type":"object","properties":{"contact_name":{"type":"string","description":"Your name or operator handle, recorded with the escrow"},"contact_handle":{"type":"string","description":"Optional contact (email or handle) for the operator review"},"quorum_rules":{"type":"string","description":"The release rules for this blob, e.g. '2-of-3 named trustees must approve release'"},"recovery_blob":{"type":"string","description":"Client-encrypted blob (ENC:v1:base64...). Stored opaquely; only its SHA-256 and byte count enter the signed receipt"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["contact_name","quorum_rules","recovery_blob","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"ping","title":"Ping","description":"Use ping when you define the test: give a URL plus your expectations — HTTP status (default 200), a required body substring, and/or an exact value at one JSON path — and get a per-condition pass/fail verdict from one fetch in a signed receipt. prove_it instead fixes the test at HTTP 200 and seals the transcript for others. For change alerts over time: watch. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.05, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/check/ping.","inputSchema":{"type":"object","properties":{"url":{"type":"string","description":"HTTPS URL to check (max 2000 chars; no credentials in URL). Fetched once; up to 3 redirects followed, 10s timeout, 1MB body cap"},"expect_status":{"type":"number","description":"Expected HTTP status code; truncated to an integer. Defaults to 200 when omitted"},"expect_body_contains":{"type":"string","description":"Substring that must appear in the response body (max 5000 chars). Skipped when empty or omitted"},"expect_json_path":{"type":"string","description":"Dot-separated path into the JSON body, e.g. 'data.price' (max 500 chars). Only evaluated when set"},"expect_json_equals":{"description":"Expected value at expect_json_path; compared by canonical JSON equality. Defaults to null when omitted"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["url","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}},{"name":"prove_it","title":"Prove-It — Verified Proof Receipts for Superintelligence (x402)","description":"Use prove_it when someone else must be convinced: give one URL; one fetch is sealed into a signed Outcome Receipt with the full transcript — proof it was live and returning HTTP 200 at check time, verifiable by anyone. Fixed at 200 — your own status, substring, or JSON conditions belong to ping. No prices: proveit_verified_check is the GPU spot-price check. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/check/prove.","inputSchema":{"type":"object","properties":{"url":{"type":"string","description":"HTTPS URL to prove live (max 2000 chars; no credentials in URL). Fetched once; up to 3 redirects followed, 10s timeout, 1MB body cap. Default expectation: HTTP 200"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["url","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}},{"name":"proveit_verified_check","title":"Prove-It Verified Check","description":"Use proveit_verified_check to prove a GPU price observation happened — no URL is involved. Give an optional GPU class (e.g. 'H100 SXM') and offer type; we seal one timestamped spot-market snapshot (cheapest rentable ask per class, USD/hour) into a signed Outcome Receipt. Despite the name it never fetches a URL — liveness proof is prove_it; content conditions are ping. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/check/proveit-verified.","inputSchema":{"type":"object","properties":{"gpu":{"type":"string","description":"Optional GPU class, e.g. 'H100 SXM' (max 64 chars). Omit for the per-class snapshot"},"type":{"type":"string","description":"Offer type: ondemand, bid, or reserved. Defaults to ondemand"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"trust_report","title":"Trust Report","description":"Use trust_report to answer one question: is this x402 endpoint's payment demand well-formed? Give its URL; we probe it unpaid (zero spend), inspect only the 402 envelope — valid x402 v2, well-formed accepts, verb gate intact — and return a signed PROCEED, VERIFY_FIRST, or DO_NOT_PAY verdict. Provider judgment: assurance_check. Purchase breakdown: preflight_check. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/trust/report.","inputSchema":{"type":"object","properties":{"url":{"type":"string","description":"HTTPS URL of the candidate x402 endpoint to probe (max 2000 chars; no credentials in URL). Probed unpaid via GET, falling back to an empty-body POST when GET returns 404/405"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["url","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}},{"name":"preflight_check","title":"Preflight Check","description":"Use preflight_check before paying for a specific tool or server call. Name the target (server, artifact, version), the operation, the advertised cost, and your policies. Get back who is paid, what is delivered, what changed, full cost, every cut taken — a signed PROCEED, PROCEED_WITH_CAUTION, BLOCKED, or UNKNOWN verdict against your policy. Envelope only: trust_report. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/preflight/check.","inputSchema":{"type":"object","properties":{"subject":{"type":"object","description":"The spend target: server_id (required), artifact (mcpb:// | oci:// | https://), claimed_version"},"intent":{"type":"object","description":"The intended invocation: operation (required), params_summary (sha256 of canonical params — params never travel), advertised_cost_usdc"},"policy":{"type":"array","items":{"type":"string"},"description":"Your policy strings, e.g. [\"require namespace proof\", \"no unverified network egress\", \"fresh observation <24h\", \"no undisclosed intermediary fee\"] (max 20)"},"context":{"type":"object","description":"principal_wallet + chain (eip155:8453). Optional."},"dry_run":{"type":"boolean","description":"true = free dry-run: field-coverage map + exact price quote only. Intercepted before the payment gate; no proof bytes, no verdict, no signature."},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["subject","intent"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}},{"name":"compute_history","title":"Compute History","description":"Use compute_history when you need GPU compute market history: a bounded time series of per-GPU cheapest/median/offer counts — or whole-market history when no GPU is named — sealed into your signed receipt. Prices are ephemeral asks, never delivered-cost guarantees. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/markets/compute/history.","inputSchema":{"type":"object","properties":{"gpu":{"type":"string","description":"Optional GPU filter, e.g. 'H100 SXM' (max 64 chars). Omit for whole-market history"},"limit":{"type":"number","description":"Max history points to return; integer 1-200. Defaults to 50"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"compute_alerts","title":"Compute Alerts","description":"Use compute_alerts when you want to know when GPU spot prices made a significant move: returns the current price-move alert list, sealed into your signed receipt. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/markets/compute/alerts.","inputSchema":{"type":"object","properties":{"gpu":{"type":"string","description":"Optional GPU filter, e.g. 'H100 SXM' (max 64 chars). Omit for all GPUs"},"limit":{"type":"number","description":"Max alerts to return; integer 1-50. Defaults to 25"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"research_paper","title":"Research Paper","description":"Use research_paper when you want to buy a research paper: $222 for the paper, or $444 for paper+provenance (the paper plus the corpus proof pack). Licensed to your wallet — the purchased bytes are delivered privately with a signed receipt. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $222.00, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/research/paper.","inputSchema":{"type":"object","properties":{"paper_id":{"type":"string","description":"Catalog ID of the paper, e.g. 'the-discontinuity-20260922'. Unknown IDs are rejected"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."},"bundle":{"type":"string","description":"Delivery tier: 'paper' ($222) or 'paper+provenance' ($444, paper plus the corpus proof pack). Defaults to 'paper'."},"buyer_alias":{"type":"string","description":"Optional license display name (3-32 chars: letters, digits, . _ -). Defaults to the first 8 hex chars of the buyer wallet."},"prior_receipt_id":{"type":"string","description":"Optional receipt-carried tier: a prior research_paper receipt id (emb_...) for the $222 paper tier, owned by the paying wallet. When valid, buying paper+provenance costs the $222 upgrade delta instead of $444. The prior receipt's signature is verified and must belong to the payer; invalid ids are rejected with 400 before settlement. Quoted provisionally at 402 time; ownership proven at run time."}},"required":["paper_id","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"assurance_check","title":"Assurance Check","description":"Use assurance_check for a go/no-go before your agent acts on a provider. Give the provider endpoint, the planned action, the amount at stake, and the permissions requested. We probe unpaid and return a signed ALLOW, ALLOW_WITH_RESTRICTIONS, ASK_HUMAN, REVERIFY, REROUTE, or QUARANTINE decision (or UNVERIFIED). Envelope only: trust_report. Cost and policy: preflight_check. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/assurance/check.","inputSchema":{"type":"object","properties":{"provider_endpoint":{"type":"string","description":"HTTPS URL of the provider to assess (max 2000 chars; no credentials in URL)"},"action":{"type":"string","description":"The action the agent intends to take, e.g. 'transfer' (required, max 200 chars)"},"amount_usdc":{"type":"string","description":"Amount at stake, as a positive decimal string, e.g. '0.25'"},"permissions_requested":{"type":"array","items":{"type":"string"},"description":"Permissions the action needs, e.g. ['spend']. Non-empty array, max 50 entries; each entry truncated to 200 chars"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."},"context":{"type":"string","description":"Optional free-text context for the assessment (truncated to 2000 chars)"}},"required":["provider_endpoint","action","amount_usdc","permissions_requested","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}},{"name":"agentid_issue","title":"Agent ID — Issue","description":"Use agentid_issue when you want to issue an Agent ID: a signed identity attestation binding an agent's public key to a verified accountable principal, with operator details and an expiry. Issuance is refused when the principal cannot be verified — that refusal is what makes the ID worth anything. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/agent-id/issue.","inputSchema":{"type":"object","properties":{"agent_pubkey":{"type":"string","description":"The agent's public key (hex), the root of the Agent ID"},"agent_key_scheme":{"type":"string","description":"Key scheme for agent_pubkey: eip191 or ed25519 (default eip191)"},"operator_name":{"type":"string","description":"Public name of the operator running the agent"},"operator_contact":{"type":"string","description":"Public contact for the operator"},"principal_id":{"type":"string","description":"ID of the accountable principal on file with the Embassy"},"principal_kind":{"type":"string","description":"Kind of principal: human or legal_entity"},"principal_label":{"type":"string","description":"Public label for the principal"},"principal_attestation_method":{"type":"string","description":"How the Embassy verified the principal"},"validity_days":{"type":"number","description":"Days until the Agent ID expires; integer 1-730. Defaults to the Embassy standard when omitted"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["agent_pubkey","operator_name","operator_contact","principal_id","principal_kind","principal_label","principal_attestation_method","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"agentid_verify","title":"Agent ID — Verify","description":"Use agentid_verify when you want to check an Agent ID's current standing: valid, revoked, expired, or unknown. Every status returns the identical response shape — the Agent ID, expiry, the full identity chain, an inclusion record, and the signed attestation envelope. Unknown IDs report unknown; never an error. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/agent-id/verify.","inputSchema":{"type":"object","properties":{"agent_id":{"type":"string","description":"The Agent ID string returned at issuance (64 hex characters; case-insensitive). Rate-limited: 30 checks/min per client IP, 429 on exhaustion"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["agent_id","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"agentid_revoke","title":"Agent ID — Revoke","description":"Use agentid_revoke to retire an Agent ID instantly. revocation_signature: hex signature over the message agent-id-revoke:<agent_id> (64-char lowercase ID). EIP-191: personal_sign the message string (envelope required; raw ECDSA fails), 0x 65-byte hex, matched to the principal's revocation key. ed25519: nacl.sign.detached, 64-byte hex. Signer: principal or Embassy-for-cause. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/agent-id/revoke.","inputSchema":{"type":"object","properties":{"agent_id":{"type":"string","description":"The Agent ID string returned at issuance (64 hex characters; case-insensitive). Unknown IDs are rejected"},"reason":{"type":"string","description":"Why the Agent ID is being retired (required, max 500 characters)"},"revocation_signature":{"type":"string","description":"Hex signature over the exact UTF-8 message agent-id-revoke:<agent_id> (64-char lowercase ID, no trailing newline). EIP-191: personal_sign the message STRING (personal_sign envelope REQUIRED — raw ECDSA will not verify), 0x 65-byte hex r||s||v (v=27/28). ed25519: nacl.sign.detached over the message bytes, 64-byte hex. Signer: the principal's on-file revocation key, or the Embassy signer for cause"},"idempotency_key":{"type":"string","description":"Optional idempotency key: UUID v4 (client-generated; published example keys are rejected). When provided, replaying the same key returns the original receipt instead of re-running the action; when omitted, no dedupe occurs. Keys are scoped per tool and per payer account: the same key on another tool — or from another wallet — is unrelated."}},"required":["agent_id","reason","revocation_signature"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":true,"idempotentHint":true,"openWorldHint":false}},{"name":"agentid_renew","title":"Agent ID — Renew","description":"Use agentid_renew to renew an Agent ID: a fresh Agent ID, same identity chain, new expiry; old one retired. revocation_signature over agent-id-revoke:<OLD_agent_id> (64-char lowercase ID) — same contract as retiring: EIP-191 personal_sign (envelope required; raw ECDSA fails), 0x 65-byte hex; or ed25519 nacl.sign.detached, 64-byte hex. Signer: principal or Embassy-for-cause. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/agent-id/renew.","inputSchema":{"type":"object","properties":{"agent_id":{"type":"string","description":"The Agent ID string returned at issuance (64 hex characters; case-insensitive). Unknown IDs are rejected"},"validity_days":{"type":"number","description":"Days until the renewed Agent ID expires; integer 1-730. Defaults to the Embassy standard when omitted"},"revocation_signature":{"type":"string","description":"Hex signature over the exact UTF-8 message agent-id-revoke:<OLD_agent_id> (64-char lowercase ID, no trailing newline) — the signature covers the OLD Agent ID being retired. EIP-191: personal_sign the message STRING (personal_sign envelope REQUIRED — raw ECDSA will not verify), 0x 65-byte hex r||s||v (v=27/28). ed25519: nacl.sign.detached over the message bytes, 64-byte hex. Signer: the principal's on-file revocation key, or the Embassy signer for cause"},"idempotency_key":{"type":"string","description":"Optional idempotency key: UUID v4 (client-generated; published example keys are rejected). When provided, replaying the same key returns the original receipt instead of re-running the action; when omitted, no dedupe occurs. Keys are scoped per tool and per payer account: the same key on another tool — or from another wallet — is unrelated."}},"required":["agent_id","revocation_signature"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":true,"idempotentHint":true,"openWorldHint":false}},{"name":"correct_copy","title":"Correct Copy","description":"Use correct_copy when you want a $25 correction pass over draft copy: transforms the text into your chosen voice register, normalizes formatting, verifies every link is alive, confirms your required terms appear, and scans for black-box leaks — then returns the corrected copy with a verification report and a signed receipt. You pay for the pass, never the method. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $25.00, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/copy/correct.","inputSchema":{"type":"object","properties":{"draft":{"type":"string","description":"The raw draft copy to correct (1-20000 chars)"},"register":{"type":"string","description":"Voice register: founder-notes, elite, force, or bright"},"required_terms":{"type":"array","items":{"type":"string"},"description":"Terms that must appear in the final copy (max 20; each term max 100 chars; counted case-insensitively)"},"links":{"type":"array","items":{"type":"string"},"description":"HTTPS URLs the copy references; each is verified alive via HEAD (fallback GET), 8s timeout, redirects never followed (max 20)"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["draft","register","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}},{"name":"give","title":"Give — Support the Embassy","description":"Support the Embassy. An open-amount patronage gift in USDC: you choose any amount from $0.01 to $222.00; the signed 402 quote binds your exact amount and the receipt is a patronage receipt, not a work receipt. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — open amount, buyer chooses $0.01–$222.00, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/give.","inputSchema":{"type":"object","properties":{"amount_usd":{"type":["string","number"],"description":"Exact gift amount in USD, caller-supplied: a plain decimal string like \"5.00\" (\"$5.00\" also accepted) or a number with at most 2 decimals. Canonical integer-cent parse: exponent, locale/grouping, sub-cent precision, negative, zero, below-$0.01 and above-$222.00 forms are rejected. The signed 402 quote binds this exact amount; you authorize exactly what you quoted."},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["amount_usd","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"cert","title":"Cert","description":"Use cert when the subject is a document, not a URL: give only its SHA256 hash — the document itself never leaves you, nothing is fetched and no page is checked — and get the hash timestamped in a signed, hash-chained attestation proving the document existed at that moment. For anything involving a live URL, use ping or prove_it instead. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/cert.","inputSchema":{"type":"object","properties":{"document_hash":{"type":"string","description":"SHA256 hash of your document as 64 lowercase hex characters. We never see the document itself."},"document_name":{"type":"string","description":"Optional label for your document (max 200 chars), recorded on the receipt"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["document_hash","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"diligence_pack","title":"Diligence Pack","description":"Use diligence_pack for a high-stakes decision — acquisition, partnership, large commitment — when you want every check in one call. Give a URL (optionally a document hash): one call runs liveness, content, TLS fingerprint, x402 trust verdict, and document timestamp into one signed Outcome Receipt. One check only? Buy it alone: ping, prove_it, trust_report, cert. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $222.00, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/diligence/pack.","inputSchema":{"type":"object","properties":{"url":{"type":"string","description":"HTTPS URL to run the full suite against (max 2000 chars)"},"document_hash":{"type":"string","description":"Optional SHA256 of a document to timestamp (64 hex chars)"},"document_name":{"type":"string","description":"Optional label for the document (max 200 chars)"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["url","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}},{"name":"watch","title":"Watch","description":"Use watch when the question is not 'is it up now' but 'tell me when it changes.' Give a URL and a check interval (1–168 hours); we baseline now, re-check on schedule, and a signed receipt fires — and the per-fire charge applies — only when the content changes. One-time checks are ping (your conditions) and prove_it (proof for others); watch is the only standing check. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $222.00, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/watch.","inputSchema":{"type":"object","properties":{"url":{"type":"string","description":"HTTPS URL to watch (max 2000 chars)"},"check_interval_hours":{"type":"number","description":"Hours between checks (min 1, max 168). Default 24."},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["url","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}},{"name":"attest","title":"Attest","description":"Use attest when you want the Embassy to notarize your work: submit evidence of work done anywhere, we verify it and mint a portable signed receipt. POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $222.00, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/attest.","inputSchema":{"type":"object","properties":{"work_description":{"type":"string","description":"What was done (1-5000 chars)"},"evidence_urls":{"type":"array","items":{"type":"string"},"description":"URLs proving the work (max 10)"},"evidence_hash":{"type":"string","description":"SHA256 of the work artifact (64 hex chars)"},"idempotency_key":{"type":"string","description":"Idempotency key: UUID v4, client-generated, one per logical request. Replaying the same key on this tool returns the original receipt — the action is not re-run, and the first request's receipt wins even if you resend different inputs. Published example keys are rejected. Keys are scoped per tool and per payer account: a key never returns another wallet's receipt."}},"required":["work_description","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":true}},{"name":"ticker_shelf","title":"Ticker Shelf","description":"Shop an economic idea for $0.25: one delayed scan (CBOE options, Nasdaq equities) for a ticker, a head-to-head (\"COMPARE two tickers\"), or a theme (\"BEST a theme\"). Ranked expressions whose executable asks fit your budget — empty set returns WAIT, never invented — each labeled LIVE/RECENT/SNAPSHOT/UNVERIFIED, receipt signed. Quotes move; no trades placed; not investment advice. POST to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/shelf.","inputSchema":{"type":"object","properties":{"query":{"type":"string","description":"What to shop for: \"a ticker\", \"a ticker, $5 budget\", \"COMPARE two tickers\", \"BEST a theme, $25 budget\" (max 200 chars)"},"budget_usd":{"type":"number","description":"Hard budget gate in USD (1/5/10/25/50/100 supported; omit for uncapped)"},"objective":{"type":"string","description":"convexity (default), long-clock, fast-heat, tail, income, leveraged"},"max_rows":{"type":"number","description":"Rows on the shelf, 3-10 (default 10)"},"idempotency_key":{"type":"string","description":"Client-generated UUID v4, one per logical request. Replaying the same key on the same tool returns the original receipt."}},"required":["query","idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"farcaster_kit","title":"Farcaster Kit","description":"Get an agent onto Farcaster for $0.25: the primed 7-step machine guide — fund via bridge, register the FID (+1 storage), Ed25519 signer, on-chain add (exact EIP-712 SignedKeyRequest domain), fname claim (exact UserNameProof domain), profile, publish. Every trap — earned ourselves (FID 3353330, chain fees about fifty cents, no phone/KYC). Your keys; custody never leaves you. POST to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/kits/farcaster.","inputSchema":{"type":"object","properties":{"idempotency_key":{"type":"string","description":"Client-generated UUID v4, one per logical request. Replaying the same key on the same tool returns the original receipt."}},"required":["idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"nostr_kit","title":"Nostr Kit","description":"Get an agent onto Nostr for $0.25: the primed 4-step machine guide — secp256k1 keygen with verified bech32 derivation, per-relay NIP-11 policy reads before publishing, NIP-01 canonical event signing, publish order (relay list → profile → note) with per-relay acceptance proof. No chain fees, no signup, no recovery — the nsec backup rules included. Earned from our live presence. POST to paid_url with an x402 v2 PAYMENT-SIGNATURE header. See https://docs.cdp.coinbase.com/x402 Paid tool — $0.25, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/kits/nostr.","inputSchema":{"type":"object","properties":{"idempotency_key":{"type":"string","description":"Client-generated UUID v4, one per logical request. Replaying the same key on the same tool returns the original receipt."}},"required":["idempotency_key"]},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"readOnlyHint":false,"destructiveHint":false,"idempotentHint":true,"openWorldHint":false}},{"name":"compute_spot_prices","title":"Compute Spot Prices","description":"One timestamped snapshot of observed GPU asks, not quotes — listings may be gone when you rent. Observes only; never rents, reserves, or holds. Omit gpu for the per-class snapshot. Default type ondemand; use bid for the interruptible spot auction. GET the paid_url with an x402 v2 PAYMENT-SIGNATURE header carrying the USDC authorization. Paid tool — $0.25 per snapshot, USDC on Base or Arbitrum One. Paid URL: https://aemb.pro/v1/markets/compute/spot.","inputSchema":{"type":"object","properties":{"gpu":{"type":"string","description":"Optional GPU model filter, e.g. 'H100 SXM'"},"type":{"type":"string","enum":["ondemand","bid","reserved"],"description":"Offer type: ondemand (fixed price), bid (interruptible auction — shown price is the bid floor), or reserved (longer commitment)"},"verified":{"type":"boolean","description":"When true, only verified hosts; when false, only unverified hosts"},"min_reliability":{"type":"number","minimum":0,"maximum":1,"description":"Minimum host reliability 0..1 (inclusive); hosts below it are excluded"},"min_gpus":{"type":"integer","minimum":1,"description":"Minimum GPU count per offer; integer >= 1"},"max_gpus":{"type":"integer","minimum":1,"maximum":64,"description":"Maximum GPU count per offer; integer 1..64"},"max_results":{"type":"integer","minimum":1,"maximum":25,"description":"Max offers to return; integer 1-25"}}},"outputSchema":{"type":"object","properties":{"payment_required":{"type":"boolean","const":true,"description":"Always true: this MCP tool is a payment pointer; the tool itself is monetized via x402."},"tool":{"type":"string","description":"Tool name, e.g. ping"},"paid_url":{"type":"string","description":"x402-paid HTTPS URL to POST the tool inputs to"},"price":{"type":"string","description":"Exact price, e.g. \"$0.05\""},"networks":{"type":"array","items":{"type":"string"},"description":"EVM CAIP-2 network ids accepted"},"asset":{"type":"string","description":"Settlement asset"},"facilitator":{"type":"string","description":"x402 facilitator"},"how":{"type":"string","description":"How to pay: POST the tool inputs as JSON to paid_url with an x402 v2 PAYMENT-SIGNATURE header"}},"required":["payment_required","tool","paid_url","price","networks","asset","facilitator","how"]},"annotations":{"title":"Compute Spot Prices","readOnlyHint":false,"destructiveHint":false,"idempotentHint":false,"openWorldHint":false}}],"resources":[{"uri":"embassy://welcome","name":"welcome","title":"Welcome","mimeType":"text/markdown","description":"The Embassy welcome: what this place is, how it holds itself, and how paid tools work."}],"prompts":[],"configSchema":{"type":"object","title":"Agent Embassy configuration","description":"No configuration is required. Agent Embassy is a hosted remote MCP server: there is no API key and nothing to set. Paid tools settle per call over x402 (USDC on Base or Arbitrum One).","properties":{},"additionalProperties":false},"links":{"homepage":"https://aemb.pro","smithery":"https://smithery.ai/servers/dashadventure0/agent-embassy","docs":"https://aemb.pro/llms.txt"}}