Tool Interface Analysis Analyzes how agent frameworks model, register, and execute tools. This skill examines the tool abstraction layer , schema generation , built-in inventory , and error feedback mechanisms . Distinction from harness-model-protocol | tool-interface-analysis | harness-model-protocol | |------------------------|------------------------| | How a "tool" is represented (types, base classes) | How tool calls are encoded on the wire | | Schema generation (Pydantic - JSON Schema) | Schema transmission to LLM API | | Built-in tool inventory | Provider-specific tool formats | | Regi…