Add OAuth proxy that allows authentication with social IDPs without DCR support (#1434)

examples/auth/github_oauth/server.py

@@ -0,0 +1,35 @@
+"""GitHub OAuth server example for FastMCP.
+
+This example demonstrates how to protect a FastMCP server with GitHub OAuth.
+
+Required environment variables:
+- FASTMCP_SERVER_AUTH_GITHUB_CLIENT_ID: Your GitHub OAuth app client ID
+- FASTMCP_SERVER_AUTH_GITHUB_CLIENT_SECRET: Your GitHub OAuth app client secret
+
+To run:
+    python server.py
+"""
+
+import os
+
+from fastmcp import FastMCP
+from fastmcp.server.auth.providers.github import GitHubProvider
+
+auth = GitHubProvider(
+    client_id=os.getenv("FASTMCP_SERVER_AUTH_GITHUB_CLIENT_ID") or "",
+    client_secret=os.getenv("FASTMCP_SERVER_AUTH_GITHUB_CLIENT_SECRET") or "",
+    base_url="http://localhost:8000",
+    # redirect_path="/oauth/callback",  # Default path - change if using a different callback URL
+)
+
+mcp = FastMCP("GitHub OAuth Example Server", auth=auth)
+
+
+@mcp.tool
+def echo(message: str) -> str:
+    """Echo the provided message."""
+    return message
+
+
+if __name__ == "__main__":
+    mcp.run(transport="http", port=8000)