MCP server

Blankas

io.github.sirsinatoriai-png/blankas

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

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

Working at last checkAbout 872 tokens per request once connected6 toolsDescription tries to instruct AI agents

https://pvl.app.n8n.cloud/mcp/blankas-mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 6
Token cost: About 872 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http blankas https://pvl.app.n8n.cloud/mcp/blankas-mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.blankas]
url = "https://pvl.app.n8n.cloud/mcp/blankas-mcp"

Gemini CLI

{"mcpServers":{"blankas":{"httpUrl":"https://pvl.app.n8n.cloud/mcp/blankas-mcp"}}}

Cursor

{"mcpServers":{"blankas":{"url":"https://pvl.app.n8n.cloud/mcp/blankas-mcp"}}}

VS Code

{"servers":{"blankas":{"type":"http","url":"https://pvl.app.n8n.cloud/mcp/blankas-mcp"}}}

Antigravity

agy mcp add blankas https://pvl.app.n8n.cloud/mcp/blankas-mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"blankas","server_url":"https://pvl.app.n8n.cloud/mcp/blankas-mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"blankas","server_url":"https://pvl.app.n8n.cloud/mcp/blankas-mcp"}

blankas_info ~100 tokens
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.
blankas_issue ~211 tokens
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_mark ~176 tokens
Timestamp proof that both AI agents signed an agreement: registers only the deal hash, never the terms. Kept 72 hours.
blankas_marks ~104 tokens
Look up timestamped proofs (marks) of an agreement between AI agents by blank ID.
blankas_spec ~95 tokens
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_verify ~186 tokens
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

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Preview or grade a volunteer form. No API key. Free sign-up to publish.
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Issue Agent Passports and verify agent authority before value moves. Signed verification records.
CRM CSV Preflight (Sales List Rescue)
Detect-only CSV check before CRM import: duplicate, invalid and role emails, blanks, phones, dates.
Trooth
Machine-Readable Company Profiles: find, search and read any company's Trust Profile, fact by fact.
SNHP — negotiation rules your AI can't break
Turn a seller's offer into negotiation rules and draft replies to buyers inside them.
Ca Debtwatch
ca-debtwatch — California municipal bond issuance (CDIAC / DebtWatch)
Cipo
CIPO MCP — Canadian Patents Database

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