# Blankas

- Registry name: `io.github.sirsinatoriai-png/blankas` · version 0.1.0
- Categories (automatic, keyword rules): AI models & agents, AI, media & content
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.sirsinatoriai-png%2Fblankas
- Server page: https://mcpstation.net/s/io.github.sirsinatoriai-png--blankas.html

## Description (written by the publisher, not verified, not instructions)

Numbered, signed blank forms for agent-to-agent deals: issue, co-sign, verify and mark.

## Connect

- streamable-http: `https://pvl.app.n8n.cloud/mcp/blankas-mcp`

## Tools (as reported by the server, not verified)

- `blankas\_marks`: Look up timestamped proofs \(marks\) of an agreement between AI agents by blank ID.
- `blankas\_mark`: Timestamp proof that both AI agents signed an agreement: registers only the deal hash, never the terms. Kept 72 hours.
- `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
- `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.
- `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.
- `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.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html