Emilia Protocol

Emilia Protocol is a local MCP server: Exact-action approval for consequential agent actions: request, track, and verify signed receipts. Install it from npm as @emilia-protocol/mcp-server.

Claude CodeCodexAntigravity

commandprompt

Terminal

claude mcp add emiliaprotocol-github-io -e EP_API_KEY=... -e EP_INCLUDE_PROTOCOL_TOOLS=... -e EP_INCLUDE_REGISTRY_TOOLS=... -- npx -y @emilia-protocol/mcp-server

Run in your project folder. Add --scope user to use it everywhere.

Add to claude_desktop_config.json or .cursor/mcp.json.

{
  "mcpServers": {
    "emiliaprotocol-github-io": {
      "command": "npx",
      "args": [
        "-y",
        "@emilia-protocol/mcp-server"
      ],
      "env": {
        "EP_API_KEY": "...",
        "EP_INCLUDE_PROTOCOL_TOOLS": "...",
        "EP_INCLUDE_REGISTRY_TOOLS": "..."
      }
    }
  }
}

Fill in the environment variables with your own credentials.

• Runtime: Node.js 18+ (runs with npx).
• MCP client: Claude Code, Codex, Antigravity, Claude Desktop, Cursor or any other client that speaks MCP over stdio.
• Environment variables: EP_API_KEY, EP_INCLUDE_PROTOCOL_TOOLS, EP_INCLUDE_REGISTRY_TOOLS