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MCP and Model Context Protocol

The Model Context Protocol, from the beginner explanation through to building and operating servers. These pages cover what MCP actually standardizes, how clients such as Claude Code, Cursor, and Cline connect, how to write and host a server, how to secure one, and which servers are worth adding to a working setup. Fast.io runs a remote MCP server, so client configuration here carries a URL rather than a command: https://mcp.fast.io/mcp/code for coding agents such as Claude Code, Cursor, and Cline, https://mcp.fast.io/mcp/tools for Claude and most other clients, and https://mcp.fast.io/mcp/operations for ChatGPT, with setup steps at https://mcp.fast.io/docs.

The material splits by intent. If you are working out what MCP is, start with the explainers. If you are adding servers to a setup that already works, start with the directories. If you are writing one, start with the build and security pages. All of them assume the client does the connecting, which is why configuration lives with the client rather than with the server.

232 guides in this topic.

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