Can ChatGPT connect to Sequential Thinking?
Updated October 18, 2026 · from live checks of 44,908 MCP servers · Methodology
Not directly.ChatGPT connects only to remote MCP servers that use OAuth or no sign-in, and none of the 1 Sequential Thinking servers we track qualifies right now; use a local server in Claude Desktop, Cursor or VS Code, or OpenAI's Secure MCP Tunnel. Checked on 2026-10-18.
Remote Sequential Thinking servers (ChatGPT-ready)
| Server | Publisher | Status | Sign-in | Tools | Trust |
|---|---|---|---|---|---|
| Durable Thinking | Community | Not checked | Unknown | — | C |
How to connect Sequential Thinking to ChatGPT
- In ChatGPT, turn on developer mode (Settings → Apps / Connectors → Advanced; on Business, Enterprise and Edu an admin enables it first).
- Add a custom MCP server and paste the server URL from the server page.
- Sign in when asked, then mention the app with @ in a chat.
Full read and write tools are available on Business, Enterprise and Edu. Pro users can connect MCP servers with read/fetch permissions only. ChatGPT supports remote servers (Streamable HTTP or SSE) and doesn't run local servers.
Is it safe to connect Sequential Thinking to ChatGPT?
Check the publisher and trust grade first. Official servers are published by Sequential Thinking itself; community servers come from third parties and can see whatever your account can. Every server page shows its live status, sign-in type and tool list.
Can Claude connect to Sequential Thinking?
See https://canmyaiuse.pages.dev/can/claude/sequential-thinking/
Does Sequential Thinking have an official MCP server?
Not in the official MCP Registry as of 2026-10-18. Full list: https://canmyaiuse.pages.dev/apps/sequential-thinking/