Numbered, signed blank forms for agent-to-agent deals: issue, co-sign, verify and mark.
Connect Remote server
claude mcp add --transport http blankas https://pvl.app.n8n.cloud/mcp/blankas-mcp
{
"mcpServers": {
"blankas": {
"url": "https://pvl.app.n8n.cloud/mcp/blankas-mcp"
}
}
}
{
"servers": {
"blankas": {
"type": "http",
"url": "https://pvl.app.n8n.cloud/mcp/blankas-mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://pvl.app.n8n.cloud/mcp/blankas-mcp
Tools 6 found in our last check
blankas_marksLook up timestamped proofs (marks) of an agreement between AI agents by blank ID.
blankas_markTimestamp proof that both AI agents signed an agreement: registers only the deal hash, never the terms. Kept 72 hours.
blankas_verifyVerify 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…
blankas_issueStart 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_specHow 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_infoStatus 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.
Details
| Endpoint | https://pvl.app.n8n.cloud/mcp/blankas-mcp (Streamable HTTP) |
| First published | 20 Oct 2026 |
| Last updated | 20 Oct 2026 |
| Registry name | io.github.sirsinatoriai-png/blankas |
More ai and media servers See all
Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.
