io.github.rafavecchi/grantd

Official

by rafavecchi · TypeScript

Grantd MCP server: let your AI agent act on a user's behalf across third-party APIs via OAuth.

Enables AI agents to perform OAuth-authenticated actions on third-party APIs on user behalf.

Install

Configuration

Environment variables

GRANTD_API_KEYrequiredsecret

A Grantd secret key (sk_...). Treat it like a password.

GRANTD_BASE_URL

Base URL of your Grantd broker (default http://localhost:8787).

GRANTD_END_USER

Default end-user id so tools don't need it passed each call.

claude_desktop_config.json

{
  "mcpServers": {
    "grantd": {
      "command": "npx",
      "args": [
        "-y",
        "grantd-mcp@0.1.0"
      ],
      "env": {
        "GRANTD_API_KEY": "<YOUR_GRANTD_API_KEY>",
        "GRANTD_BASE_URL": "<YOUR_GRANTD_BASE_URL>",
        "GRANTD_END_USER": "<YOUR_GRANTD_END_USER>"
      }
    }
  }
}