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.

Grantd MCP Server

The io.github.rafavecchi/grantd MCP server enables an AI agent to act on a user’s behalf across third-party APIs using OAuth. It is described as a “Grantd MCP server,” focused on authorization-driven access for delegated operations.

🛠️ Key Features

OAuth-based delegation for acting on a user’s behalf
Access to third-party APIs through the agent

🚀 Use Cases

Let an AI agent perform actions on external services where OAuth authorization is required
Integrate user-authorized API operations into agent workflows

⚡ Developer Benefits

Establishes an OAuth authorization flow for third-party API interaction
Supports agent-driven, delegated API use

⚠️ Limitations

Details such as supported OAuth providers, tools, or endpoints are not provided in the available server data

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.

Add to VS Code Add to Cursor

claude_desktop_config.json

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>"
      }
    }
  }
}