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.