Warrant

{
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "name": "io.github.s0fractal/warrant",
  "description": "Record an agent's decisions with reasons anyone can re-execute offline — verify recomputes them.",
  "title": "Warrant",
  "repository": {
    "url": "https://github.com/s0fractal/warrant",
    "source": "github",
    "subfolder": "integrations/mcp-server"
  },
  "version": "0.9.0",
  "websiteUrl": "https://github.com/s0fractal/warrant/tree/master/integrations/mcp-server",
  "packages": [
    {
      "registryType": "pypi",
      "registryBaseUrl": "https://pypi.org",
      "identifier": "warrant-verify",
      "version": "0.9.0",
      "transport": {
        "type": "stdio"
      },
      "environmentVariables": [
        {
          "description": "Absolute path to the warrant store this server files into and verifies. Defaults to .warrants relative to the server process's working directory, which an MCP host does not guarantee.",
          "name": "WARRANT_STORE"
        },
        {
          "description": "Ed25519 signing key. If unset, one is generated next to the store on the first filing and the result says so; any process that can read it can sign as this actor.",
          "isSecret": true,
          "name": "WARRANT_KEY"
        },
        {
          "description": "Actor id written into filed warrants. Defaults to mcp-client@<hostname>.",
          "name": "WARRANT_ACTOR"
        }
      ]
    }
  ]
}