Learn how to use fine-grained tool calling in Claude for faster, more granular streaming. Understand JSON validation, buffering delays, and when to enable fine-grained mode.
Learn how to generate clean structured data like JSON with Claude using assistant message prefilling and stop sequences. Get raw data without explanatory text or markdown formatting.
Learn how to build hooks in Claude Code to intercept and control tool calls. Master PreToolUse and PostToolUse hooks, understand tool call data structures, and implement access control for sensitive files.
Learn how to use the Claude Code SDK to run Claude programmatically from your applications and scripts. Available for TypeScript, Python, and CLI with practical examples and use cases.
Learn how to build tool functions in Claude to give AI access to real-time information and actions. Master best practices for validation, error handling, and function design.