{
  "$type": "site.standard.document",
  "bskyPostRef": {
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    "uri": "at://did:plc:lk3jfj3zq4k4wxnk474axylu/app.bsky.feed.post/3mitj3dtnfew2"
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  "path": "/t/custom-app-mcp-not-working-with-gpt-5-4-pro-only-with-regular-gpt-5-4/1378661#post_1",
  "publishedAt": "2026-04-06T14:42:24.000Z",
  "site": "https://community.openai.com",
  "textContent": "Hi there, I’m trying to use an MCP in ChatGPT with GPT 5.4 pro, but it’s not working. I’ve found that the MCP works completely fine when I switch to instant. Any advice on how to fix this?",
  "title": "Custom App (MCP) not working with GPT 5.4 pro, only with regular GPT 5.4"
}