Short AGENTS.md files for Cursor, Claude Code, Codex, Copilot, Gemini, Grok — catalog, templates, and a local MCP.
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Updated
Sep 20, 2026 - TypeScript
Short AGENTS.md files for Cursor, Claude Code, Codex, Copilot, Gemini, Grok — catalog, templates, and a local MCP.
A starting point for engineers new to AI coding agents: eleven chapters, copy-out instruction-file templates, two worked examples, and a self-certifying verification suite. pi-first with a Claude Code track. Clone it and make it yours.
Instructions, not manuals — governance for long-lived AI instruction files (AGENTS.md / CLAUDE.md)
Every agent rule should say why it exists and what enforces it: lint CLAUDE.md, AGENTS.md, GEMINI.md and Cursor rules against the hooks and CI jobs you actually registered
Trace which instruction files Codex, Claude Code, Gemini CLI, and Copilot CLI load for any repository path.
Claude Code skill for checking instruction file best practices across all projects
Lint your AI instruction files the way each agent reads them — CLAUDE.md, AGENTS.md, .cursor/rules, GEMINI.md — and see what each host truncates, ignores or shadows. 19 hosts, read-only, every rule sourced.
Find semantic redundancy in agent instruction files and estimate token savings.
A linter for AI instruction files
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