skills

Generate and maintain AGENTS.md files that document project instructions, build commands, testing procedures, and conventions for AI coding agents. Use when you need to create or update AGENTS.md that describes a repository's structure, setup, testing, code style, deployment, or other agent-relevant guidance. Works with any repository structure.

Create new skills, modify and improve existing skills, and measure skill performance. Use when users want to create a skill from scratch, update or optimize an existing skill, run evals to test a skill, benchmark skill performance with variance analysis, or optimize a skill's description for better triggering accuracy.

Lint and auto-fix markdown documentation using rumdl (Rust-based markdownlint). Use when creating or updating markdown files like README.md, CHANGELOG.md, or any .md documentation. Ensures consistent formatting with rules for line length, heading hierarchy, blank lines, and more.