# Authplane MCP server

> Provides a self-hosted OAuth 2.1 authorization server specifically designed to secure Model Context Protocol (MCP) servers and agents.

- Repository: https://github.com/AuthPlane/authserver
- Page: https://hostedmcp.org/servers/authplane/authserver
- Transport: —
- Stars: 82
- License: AGPL-3.0

## Environment variables

| Name | Required | Secret | Description |
|---|---|---|---|
| `AUTHPLANE_ADMIN_API_KEY` | no | no |  |
| `AUTHPLANE_SESSION_SECRET` | no | no |  |

## FAQ

### What makes Authplane suitable for MCP servers?

It implements the MCP Authorization specification (2026-07-28), providing discovery endpoints, audience-bound tokens, and CIMD.

### Can I use my existing identity provider with Authplane?

Yes, Authplane supports federation to any OIDC-compliant provider such as Google, Okta, Azure AD, or Auth0.

### How do I add authentication to an existing MCP server?

You can use the provided SDKs in Python, TypeScript, Go, Java, or C# to integrate authentication with just a few lines of code.

### Does Authplane include a management interface?

Yes, it features a built-in React-based Admin UI embedded directly in the same binary.