JZ
CDCloudflare Developers
•Created by JZ on 5/17/2025 in #general-help
MCP Auth not working
I followed this guide to build a MCP with auth https://developers.cloudflare.com/agents/guides/remote-mcp-server/
However the example project doesn't work, it keep giving me error after I approve:
⎔ Starting local server...
[wrangler:inf] Ready on http://localhost:8788
✘ [ERROR] OAuth error response: 401 invalid_token - Missing or invalid access token
[wrangler:inf] POST /sse 401 Unauthorized (6ms)
[wrangler:inf] GET /.well-known/oauth-authorization-server 200 OK (1ms)
[wrangler:inf] GET /authorize 302 Found (68ms)
[wrangler:inf] GET /callback 302 Found (871ms)
[wrangler:inf] GET /.well-known/oauth-authorization-server 200 OK (2ms)
✘ [ERROR] OAuth error response: 401 invalid_client - Client not found
[wrangler:inf] POST /token 401 Unauthorized (3ms)
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