# /claude-api — Claude Code Bundled Skill ## What It Does Loads **Claude API reference material** for your project's language and the Managed Agents reference. Covers tool use, streaming, batches, structured outputs, and common pitfalls. ## Supported Languages Python, TypeScript, Java, Go, Ruby, C#, PHP, cURL ## Auto-Activation Activates automatically when your code imports: - `anthropic` - `@anthropic-ai/sdk` - `claude_agent_sdk` You may never need to invoke it manually. ## Commands ### Load reference ``` /claude-api ``` ### Migrate existing code to a newer model ``` /claude-api migrate ``` Claude asks which files to scan and which model to target, then updates: - Model IDs - Thinking configuration - Parameters that changed between versions ### Onboard to Managed Agents ``` /claude-api managed-agents-onboard ``` Interactive walkthrough that creates a new Managed Agent from scratch — walks through tool definitions, system prompts, and deployment.