ChatGPT MCP setup fails with full output schemas, but works when shortened

🌐 链接: https://community.openai.com/t/chatgpt-mcp-setup-fails-with-full-output-schemas-but-works-when-shortened/1407766
🏷️ 分组: OpenAI Developer Community
🕒 时间: 2026-10-19 23:04:51
OpenAI Developer Community
ChatGPT MCP setup fails with full output schemas, but works when shortened
ChatGPT MCP setup fails with full output schemas, but works when shortened
Our MCP server exposes 451 tools, including 445 output schemas. ChatGPT setup repeatedly fails with “A service needed to create the app is temporarily unavailable,” even though our MCP requests return HTTP 200. We tested the same server and tool list: …