The best platform agnostic Linter for AI agent plugins and skills — validates structure, frontmatter, and token limits for Claude Code, Cursor, Codex, and many others!
Latest release v1.21.4 — Release v1.21.4 · 10 Oct 2026
6 files for Claude Code, Codex and OpenCode: SessionStart, PostToolUse, skilllint, skilllint AGENTS.md and 2 more — 3,955 tokens loaded in every session.
AGENTS.md A 3,702 tok CLAUDE.md A 253 tok .claude/settings.json A — .claude/settings.json A — .claude/settings.json A — .claude/settings.json A — These files are bitflight-devops/skilllint's own configuration — they tell Claude Code, Codex and OpenCode how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.