AI Tools Kit
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.

Published May 6, 2026
12 min read
AI

AI Tools Kit

AI Tools Kit provides free developer tools for working with AI language models. Built by developers, for developers.

Learn more about us →

Related Articles

Tutorial

Streaming Claude Responses in Python: Async, Tokens, and Error Handling

Step-by-step Python tutorial for streaming Claude responses with the Anthropic SDK — covers sync vs async streaming, partial token handling, retry logic, and token counting in real agent loops.

Tutorial

LangGraph 0.4 + MCP: Persistent Memory Agent Tutorial

Build a LangGraph 0.4 agent with McpToolNode for live tool calls and SharedStore for persistent memory across sessions — copy-paste code for each step.

Tutorial

How to Write Provider-Neutral Agent Skills in 2026

How to write agent skills that run on Claude Code, Codex, and OpenClaw without modification. Real code examples and the skill-file patterns that transfer across every major agent runtime.