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I tried to connect our MCP (https://technicalseomcp.com https://technicalseomcp.com) but got an error. I don't see any debugging features yet but I found an e

• ayhanfuat 1y ago
  What is the error you are getting? I get "Error fetching OAuth configuration" with an MCP server that I can connect to via Claude.
  • tosh 1y ago
    "error creating connector" our MCP also works fine with Claude, Claude Code, Amp, lm studio and other but not all MCP clients MCP spec and client implementations are a bit tricky when you're not using FastMCP (which we are not).
    • dougbarrett 1y ago
      I wonder if it's a difference between SSE and HTTP streaming support? I've been working on a tool for devs to create their own MCP tools and built out support for both protocols because it was easier for me to support both protocols vs explaining why it's not working for one LLM client or another.
      • tosh 1y ago
        Oh, that might be it! Ours doesn’t support SSE.
        • mickael-kerjean 1y ago
          mine does support SSE (https://github.com/mickael-kerjean/filestash https://github.com/mickael-kerjean/filestash) but it fails before getting there, with the log looking like this: 2025/09/11 01:16:13 HTTP 200 GET 0.1ms /.well-known/oauth-authorization-server 2025/09/11 01:16:13 HTTP 200 GET 2.5ms / 2025/09/11 01:16:14 HTTP 404 GET 0.2ms /favicon.svg 2025/09/11 01:16:14 HTTP 404 GET 0.2ms /favicon.png 2025/09/11 01:16:14 HTTP 200 GET 0.2ms /favicon.ico 2025/09/11 01:16:14 HTTP 200 GET 0.1ms /.well-known/oauth-authorization-server 2025/09/11 01:16:15 HTTP 201 POST 0.3ms /mcp/register 2025/09/11 01:16:27 HTTP 200 GET 1.4ms / with the frontend showing: "Error creating connector" and the network call showing: { "detail": "1 validation error for RegisterOAuthClientResponse\n Input should be a valid dictionary or instance of RegisterOAuthClientResponse [type=model_type, input_value='{\"client_id\":\"ChatGPT.Dd...client_secret_basic\"}\\n', input_type=str]\n For further information visit https://errors.pydantic.dev/2.11/v/model_type https://errors.pydantic.dev/2.11/v/model_type" }
  • quinncom 1y ago
    I get this error trying to connect the Mapbox hosted MCP server: Something went wrong with setting up the connection In the devtools, the request that failed was to `https://chatgpt.com/backend-api/aip/connectors/links/oauth/callback https://chatgpt.com/backend-api/aip/connectors/links/oauth/c...` which send this reply: Token exchange failed: 401, message='Unauthorized', url=URL('https://api.mapbox.com/oauth/access_token')
• lyu07282 1y ago
  Lots of people reported issues in the forums weeks ago, seems like they haven't improved it much (what's the point of doing a beta if you ignore everyone reporting bugs?) https://community.openai.com/t/error-oauth-step-when-connecting-mcp-to-chatgpt/1287645/2 https://community.openai.com/t/error-oauth-step-when-connect...
  • brazukadev 1y ago
    OpenAI is the biggest proof AI won't replace software engineers. They absolutely suck at shipping code