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MCP live MCP 2025-06-18 streamable-http

FreeSign — Free e-signature

com.free-sign/signing

Free e-signature for humans and AI agents — zero-document PDF signing from hashes only.

Uptime
100.0%
2 direct probes · 30d
Response
177ms
last probe
Tools
5
callable
Resources
0
readable
Prompts
0
available
Primary URL
https://free-sign.com/mcp

Tools · 5

create_signing_envelope

Create a FreeSign envelope from a PDF SHA-256 hash. Do not send PDF bytes. The created envelope is NOT yet session-bound — the browser that opens the returned signing_url generates an ECDSA P-256 keyp…

verify_document_hash

Find FreeSign receipts matching a local document SHA-256 hash.

get_receipt

Return the envelope record (including final_pdf_sha256, final_signature_base64url, final_payload_json), per-signer signing receipts, and OpenTimestamps anchor metadata. Evidence only, never PDF bytes.

get_ots_proof

Return the .ots proof (base64) for a given OpenTimestamps anchor on an envelope. Use the official `ots-cli` to verify offline against Bitcoin block headers. Each seal has two anchors: `kind: "byterang…

verify_audit_chain

Return an envelope's append-only audit-event hash chain together with a server-computed integrity verdict: every event_hash is recomputed from its canonical material, and the prev_event_hash linkage a…

How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "freesign_—_free_e-signature": {
      "url": "https://free-sign.com/mcp",
      "transport": "streamable-http"
    }
  }
}