Sequesign MCP

A Model Context Protocol server that enables agents to produce cryptographically verifiable receipts of delegated work. It allows defining mandates, recording actions, sealing receipts with witness signatures, and verifying integrity offline without requiring network access or vendor trust.

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Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by Sequesign

Vendor documentation

What you can do with it

Open a recording session bound to a policy template
Record agent actions with evidence and hash-chaining
Seal receipts with witness signatures and verify offline

Source and maintenance

Community listingRegistry 0.4.1

mcp-registry: io.github.Sequesign/sequesign@0.4.1 Source repository Project website

Maintenance checked: Oct 31, 2026, 10:59 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@sequesign/mcp 0.4.1

npmnpx

@sequesign/mcp package definition

{
  "version": "0.4.1",
  "transport": "stdio",
  "identifier": "@sequesign/mcp",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "SEQUESIGN_MODE",
      "description": "Transport: 'direct' (default; sign locally, an independent witness co-signs) or 'managed' (route through the Sequesign broker for a registered identity)."
    },
    {
      "name": "SEQUESIGN_API_KEY",
      "description": "Sequesign write-class API key (from the dashboard). Required for managed mode; in direct mode it authenticates the hosted witness."
    },
    {
      "name": "SEQUESIGN_AGENT_PRIVATE_KEY",
      "description": "Ed25519 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."
    },
    {
      "name": "SEQUESIGN_PACKAGE_DIR",
      "description": "Directory where sealed receipt packages are written. Defaults to a temporary directory."
    },
    {
      "name": "SEQUESIGN_TEMPLATE_REGISTRY_URL",
      "description": "Base URL of a read-only dynamic template registry (e.g. https://dashboard-api.sequesign.com/v1/registry). When set, direct-mode sessions and the discovery tools resolve templates published there in addition to the bundled ones, falling back to bundled offline. Omit to use only the bundled templates."
    },
    {
      "name": "SEQUESIGN_TEMPLATE_REGISTRY_TOKEN",
      "description": "Read-only bearer token for an account-scoped template registry (discovery only; never used in verification). Omit for a public registry."
    }
  ]
}

Tools

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No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "sequesign-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@sequesign/mcp@0.4.1"
      ],
      "env": {
        "SEQUESIGN_MODE": "<YOUR_SEQUESIGN_MODE>",
        "SEQUESIGN_API_KEY": "<YOUR_SEQUESIGN_API_KEY>",
        "SEQUESIGN_AGENT_PRIVATE_KEY": "<YOUR_SEQUESIGN_AGENT_PRIVATE_KEY>",
        "SEQUESIGN_PACKAGE_DIR": "<YOUR_SEQUESIGN_PACKAGE_DIR>",
        "SEQUESIGN_TEMPLATE_REGISTRY_URL": "<YOUR_SEQUESIGN_TEMPLATE_REGISTRY_URL>",
        "SEQUESIGN_TEMPLATE_REGISTRY_TOKEN": "<YOUR_SEQUESIGN_TEMPLATE_REGISTRY_TOKEN>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "sequesign-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@sequesign/mcp@0.4.1"
      ],
      "env": {
        "SEQUESIGN_MODE": "<YOUR_SEQUESIGN_MODE>",
        "SEQUESIGN_API_KEY": "<YOUR_SEQUESIGN_API_KEY>",
        "SEQUESIGN_AGENT_PRIVATE_KEY": "<YOUR_SEQUESIGN_AGENT_PRIVATE_KEY>",
        "SEQUESIGN_PACKAGE_DIR": "<YOUR_SEQUESIGN_PACKAGE_DIR>",
        "SEQUESIGN_TEMPLATE_REGISTRY_URL": "<YOUR_SEQUESIGN_TEMPLATE_REGISTRY_URL>",
        "SEQUESIGN_TEMPLATE_REGISTRY_TOKEN": "<YOUR_SEQUESIGN_TEMPLATE_REGISTRY_TOKEN>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "sequesign-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@sequesign/mcp@0.4.1"
      ],
      "env": {
        "SEQUESIGN_MODE": "<YOUR_SEQUESIGN_MODE>",
        "SEQUESIGN_API_KEY": "<YOUR_SEQUESIGN_API_KEY>",
        "SEQUESIGN_AGENT_PRIVATE_KEY": "<YOUR_SEQUESIGN_AGENT_PRIVATE_KEY>",
        "SEQUESIGN_PACKAGE_DIR": "<YOUR_SEQUESIGN_PACKAGE_DIR>",
        "SEQUESIGN_TEMPLATE_REGISTRY_URL": "<YOUR_SEQUESIGN_TEMPLATE_REGISTRY_URL>",
        "SEQUESIGN_TEMPLATE_REGISTRY_TOKEN": "<YOUR_SEQUESIGN_TEMPLATE_REGISTRY_TOKEN>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "sequesign-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@sequesign/mcp@0.4.1"
      ],
      "env": {
        "SEQUESIGN_MODE": "<YOUR_SEQUESIGN_MODE>",
        "SEQUESIGN_API_KEY": "<YOUR_SEQUESIGN_API_KEY>",
        "SEQUESIGN_AGENT_PRIVATE_KEY": "<YOUR_SEQUESIGN_AGENT_PRIVATE_KEY>",
        "SEQUESIGN_PACKAGE_DIR": "<YOUR_SEQUESIGN_PACKAGE_DIR>",
        "SEQUESIGN_TEMPLATE_REGISTRY_URL": "<YOUR_SEQUESIGN_TEMPLATE_REGISTRY_URL>",
        "SEQUESIGN_TEMPLATE_REGISTRY_TOKEN": "<YOUR_SEQUESIGN_TEMPLATE_REGISTRY_TOKEN>"
      }
    }
  }
}

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