---
title: "Protected Resource Metadata (MCP resource)"
method: GET
path: "/.well-known/oauth-protected-resource/mcp"
tags: ["OAuth"]
---

# Protected Resource Metadata (MCP resource)

`GET /.well-known/oauth-protected-resource/mcp`

## Request

- Base URL: `https://api.purplegrain.com`
- URL: `https://api.purplegrain.com/.well-known/oauth-protected-resource/mcp`
- Auth: none declared

Resource-suffixed form of `/.well-known/oauth-protected-resource` (RFC 9728)
that some clients probe for the `/mcp` resource. Returns the same metadata.

## Response `200`

Protected resource metadata.

- OAuthProtectedResourceMetadata: OAuth 2.0 Protected Resource Metadata (RFC 9728). Points MCP clients back at this authorization server.
  - `resource` string, uri: The MCP resource server URL (issuer + `/mcp`).
  - `authorization_servers` string[]
  - `scopes_supported` string[]
  - `bearer_methods_supported` string[]

---

[API](https://skmtc.dev/purplegrain/apis/purple-grain-api.md) · [All operations](https://skmtc.dev/purplegrain/apis/purple-grain-api/llms.txt) · [OpenAPI document](https://skmtc.dev/purplegrain/apis/purple-grain-api/revisions/06540345bbbc?raw)