claude-api git:20260331.4178dd7C

Immutable. This exact content never changes and is served at /api/v1/blob/06d480a0e137751a.

# Claude API

Use this skill when the user wants to build with the Claude API or Anthropic SDKs.

## Reading Guide

Pick the language-specific docs that match the user's stack, then use the shared references for models, caching, errors, and tool use concepts.

## When to Use WebFetch

Use WebFetch when the user needs the latest official documentation or behavior that may have changed recently.