Claude API Function Calling: Complete Guide to Tool Use (2026)
Master Claude’s tool use API: define tools with JSON Schema, handle multi-step and parallel tool calls, force tool choice, stream tool inputs, and build a complete multi-tool agent.
AI-Driven Developer
Master Claude’s tool use API: define tools with JSON Schema, handle multi-step and parallel tool calls, force tool choice, stream tool inputs, and build a complete multi-tool agent.
Learn how to build AI-powered automation workflows in n8n: connect Claude/GPT, automate emails, build Slack bots, process data, and create LLM agents — no coding required.
Build multi-agent LLM pipelines with Python: orchestrator pattern, parallel fan-out, agent handoffs with state. Practical examples using Claude Sonnet and Haiku.
Learn how to build an AI agent with Python from scratch using the Claude API — tool use, agent loop, function calling, and a complete working example you can run in minutes.