What problem does it solve? AI assistants often write framework code from stale training data, producing deprecated APIs and outdated patterns that break against current library versions. This Skill forces every framework-specific decision to be verified against official documentation and cited, so the code you receive is traceable to an authoritative source. ## Core Features & Use Cases - Stack Detection: Reads dependency files like package.json, composer.json, requirements.txt, go.mod, Cargo.toml, or Gemfile to identify exact framework versions before writing any code. - Documentation-First Implementation: Fetches the specific official docs page for the feature being built, follows documented API signatures, and avoids deprecated patterns flagged in migration guides. - Source Citation: Annotates code comments and conversation output with full URLs, deep links, and quoted passages so every decision can be independently verified. - Use Case: You ask for a form handler in a React 19 project. The Skill detects React 19.1.0 from package.json, fetches the useActionState reference from react.dev, implements the modern pattern, and cites the exact documentation URL instead of emitting a stale useState-based approach. ## Quick Start Ask the assistant to implement a framework-specific feature using source-driven development so every pattern is verified against the official docs for your detected versions.