Sequesign

io.github.Sequesign/sequesign

Cryptographically verifiable receipts of an agent's delegated work, verified offline.

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "sequesign": {
      "command": "npx",
      "args": [
        "-y",
        "@sequesign/mcp@0.4.1"
      ],
      "env": {
        "SEQUESIGN_API_KEY": "<your SEQUESIGN_API_KEY>",
        "SEQUESIGN_AGENT_PRIVATE_KEY": "<your SEQUESIGN_AGENT_PRIVATE_KEY>",
        "SEQUESIGN_TEMPLATE_REGISTRY_TOKEN": "<your SEQUESIGN_TEMPLATE_REGISTRY_TOKEN>"
      }
    }
  }
}
Environment variables
  • SEQUESIGN_API_KEYsecretSequesign write-class API key (from the dashboard). Required for managed mode; in direct mode it authenticates the hosted witness.
  • SEQUESIGN_AGENT_PRIVATE_KEYsecretEd25519 PKCS#8 private-key PEM for the agent. In managed mode, the key registered to your API key. In direct mode, omit to mint an ephemeral key per session.
  • SEQUESIGN_TEMPLATE_REGISTRY_TOKENsecretRead-only bearer token for an account-scoped template registry (discovery only; never used in verification). Omit for a public registry.

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.4.1
Registry
active
Published
8/21/2026

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Add the badge to your site

Show visitors that Sequesign is listed here — it’s also the link we check for a free listing.

Sequesign — listed on Serverdex

HTML — for your website

<a href="https://serverdex.io/server/io-github-sequesign-sequesign?utm_source=badge"><img src="https://serverdex.io/brand/badge.svg" alt="Sequesign — listed on Serverdex" width="123" height="40" loading="lazy"></a>

Recommended. A dofollow link from your own domain is the one that counts for search engines, and it's the link we check for a free listing.

Markdown — for your README

[![Sequesign — listed on Serverdex](https://serverdex.io/brand/badge.svg)](https://serverdex.io/server/io-github-sequesign-sequesign?utm_source=badge)

Nice for visibility, but GitHub marks README links nofollow, so it doesn't pass authority. Use the HTML badge on your site as well.