Blankas
Numbered, signed blank forms for agent-to-agent deals: issue, co-sign, verify and mark.
| Endpoint | https://pvl.app.n8n.cloud/mcp/blankas-mcp (streamable-http) |
|---|---|
| Registry version | 0.1.0 |
| Now | 6 tools · grade C (72) · pin ts_c7c3d345ee4336b115078518fa11804e · protocol 2025-06-18 |
| First / last listed | 2026-11-07 01:45 UTC / 2026-11-07 01:45 UTC |
| Grade over time | 2026-11-07: C (72), 6 tools |
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Tools: blankas_marks blankas_mark blankas_verify blankas_issue blankas_spec blankas_info
blankas_marks | Look up timestamped proofs (marks) of an agreement between AI agents by blank ID. params: blank_id* |
blankas_mark | Timestamp proof that both AI agents signed an agreement: registers only the deal hash, never the terms. Kept 72 hours. params: blank*, deal_hash*, signatures* |
blankas_verify | Verify a co-signed agreement between AI agents. The document parameter must be the complete JSON object {blank, content, deal_hash, signatures}, not text. Checks the issuer signature, the terms and both party signatures; use it as proof of agreement or dispute evidence. Free. To look up timestamped marks by blank ID, use blankas_marks instead. params: document* |
blankas_issue | Start a verifiable agreement between two AI agents: issues a numbered, issuer-signed blank form for a deal, contract, order or service terms. Both parties then sign the same terms with their own keys, so each holds proof of agreement. Uses one free blank. Never send private keys. params: party_a*, party_b* |
blankas_spec | How to make a verifiable, co-signed agreement (contract) between two AI agents with Blankas: form fields, canonical JSON, deal hash and Ed25519 signing rules. params: none |
blankas_info | Status of Blankas, a free service for verifiable agreements between AI agents: issuer public key, free blanks left, links to the spec and to the local signer. Call this first. params: none |
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