How to add an MCP server to ChatGPT
Add a remote MCP server to ChatGPT as a custom plugin, sign in with OAuth, and use its tools in a chat.
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Step-by-step setup for the tools around your agents: MCP servers, chat apps, and the workflows that tie them together.
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How to add an MCP server to Claude
Connect a remote MCP server to Claude on the web, desktop, and mobile with a custom connector, sign in with OAuth, and turn it on in a chat.
How to set up an MCP server in Claude Code
Add remote and local MCP servers to Claude Code, pick the right scope, sign in with OAuth, and fix the connections that do not come up.
How to set up an MCP server in Codex
Connect OpenAI's Codex CLI to a remote MCP server with one command, finish OAuth sign-in, and manage servers in config.toml.