Claude Code MCP: Add Servers From the Command Line
Claude Code adds MCP servers with one command. Local, project, and user scopes, remote HTTP servers, and the difference from claude.ai custom connectors.
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Claude Code adds MCP servers with one command. Local, project, and user scopes, remote HTTP servers, and the difference from claude.ai custom connectors.
Claude connects to any remote MCP server through custom connectors. The exact click path, the free plan limit, and why the server must be publicly reachable.
Copilot supports MCP via Copilot Studio and federated connectors, but discovery is not invocation. Which surfaces call your server, and which quietly do not.
Cursor adds MCP servers by one-click link, settings UI, or mcp.json. Project versus global config, which wins on a conflict, and the tool limit to watch.
Gemini supports custom MCP servers through Connected Apps for Spark. The exact steps, the five eligibility gates Google applies, and what MCP still can't do.
Grok takes custom MCP servers at grok.com/connectors. The setup, why a local server needs tunneling, and the admin step that blocks business accounts.
n8n does MCP three ways: exposing workflows as a server, consuming servers as tools, and an instance server that builds workflows from your AI client.
Perplexity takes custom remote MCP servers from Account settings. The exact fields, the admin toggle that is off by default, and a help page that is stale.
VS Code reads MCP servers from mcp.json in your workspace or user profile. Why the tools are invisible outside agent mode, and how server bridging works.
Windsurf adds MCP servers through the Cascade plugin store or a custom entry. Where mcp_config.json lives, and what the connection still cannot do for you.
The plus button on ChatGPT's Plugins page only appears once Developer mode is on, and the toggle moved to Security and login. The full setup, verified.
ChatGPT MCP support is here. Step-by-step guide to enabling Developer Mode, adding custom MCP servers, and using Apps SDK integrations.
Install MCP servers in Claude Code, Claude Desktop, ChatGPT, Cursor, Windsurf, VS Code, and Zed. The same JSON block, seven clients, copy-paste commands.
What is MCP? The Model Context Protocol lets AI models call your tools through one shared interface. What it is, what it replaces, and why it matters.