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AI Tools Kit provides free developer tools for working with AI language models. Built by developers, for developers.
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How to Build a Custom MCP Server in Python: Step-by-Step
Build a working MCP server in Python using the official SDK: define tools, handle resources, configure transports, and connect it to Claude Code or any MCP host in under 30 minutes.
Tutorial
Claude Tool Use API: Build a Research Agent Step by Step
Learn how to build a working AI research agent using the Claude tool use API. Covers tool definition, the request-response loop, parallel tool calls, and error handling with complete Python examples.
Tutorial
Claude Code Hooks: Automate Pre- and Post-Tool Execution
Claude Code hooks run shell commands before or after any tool call. Lint on file write, notify on task completion, or block dangerous paths — all configured in settings.json without touching prompts.