three.ws Provenance — MCP Server 安装配置（官方 MCP Registry）

{
  "id": "io.github.nirholas/provenance-mcp",
  "type": "mcp-server",
  "version": "0.1.0",
  "displayName": "three.ws Provenance",
  "description": "Append-only, signed, on-chain-verifiable agent action log — record and audit what agents did.",
  "repository": {
    "url": "https://github.com/nirholas/three.ws",
    "source": "github",
    "subfolder": "packages/provenance-mcp"
  },
  "homepage": "https://three.ws",
  "distribution": {
    "packages": [
      {
        "registryType": "npm",
        "identifier": "@three-ws/provenance-mcp",
        "version": "0.1.0",
        "runtimeHint": "npx",
        "transport": "stdio",
        "environmentVariables": [
          {
            "name": "THREE_WS_BASE",
            "description": "Base URL of the three.ws API that serves the agent-actions ledger. Override only when self-hosting or targeting a preview deployment."
          },
          {
            "name": "THREE_WS_TIMEOUT_MS",
            "description": "Per-request timeout in milliseconds for the ledger reads/appends."
          },
          {
            "name": "THREE_WS_TOKEN",
            "description": "Bearer token authenticating every call — a three.ws API key (sk_live_…) or an OAuth access token. The ledger is owner-scoped: you can read and append actions only for agents your token owns. Required for all three tools. Treat like a password.",
            "isRequired": true,
            "isSecret": true
          },
          {
            "name": "THREE_WS_SIGNER_KEY",
            "description": "Optional 0x-prefixed EVM private key. When set, append_agent_action ERC-191-signs each action so anyone can ecrecover the signer and verify authorship on-chain. A per-call `signer_key` arg overrides it. Omit to append unsigned. Treat like cash.",
            "isSecret": true
          }
        ]
      }
    ],
    "remotes": []
  },
  "dependencies": [],
  "installTargets": [
    "claude-code",
    "claude-desktop",
    "cursor",
    "vscode"
  ],
  "keywords": [],
  "provenance": {
    "origin": "official-mcp-registry",
    "originalId": "io.github.nirholas/provenance-mcp",
    "originalUrl": "https://registry.modelcontextprotocol.io/v0.1/servers/io.github.nirholas%2Fprovenance-mcp/versions/latest",
    "isOfficial": true,
    "status": "active"
  }
}