
March 26, 2026 · 17 min read · guides
Claude API tool use reference. input_schema (JSON Schema 2020-12), stop_reason flow, parallel calls, streaming, MCP. TypeScript from 10 agents.

March 25, 2026 · 9 min read · blog
Claude API structured output: three patterns for a guaranteed JSON Schema (tool use, prefill, prompt-only) with TypeScript examples.