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CLAUDE CODEClaude Code subagents + hooksSubagent files, settings.json hooks that block rm -rf and .env reads, slash commands. FASTAPIAGENTS.md + Cursor rules for FastAPIOwnership checks, Alembic and pytest rules for SQLAlchemy 2 + Pydantic v2. CODEXCodex AGENTS.md templateWhat OpenAI Codex CLI reads, a copy-paste file, and how it differs from CLAUDE.md. COMPAREAGENTS.md vs CLAUDE.md vs Cursor rulesWhich file does your AI agent read, and how to keep one source of truth. CURSORCursor rules for Next.js + SupabaseScoped .mdc rules that stop RLS-off and webhook mistakes. CLAUDE CODECLAUDE.md templateA short memory file with @AGENTS.md import and hard rules. WINDSURFWindsurf rules setup.windsurf/rules layout plus a free RLS rule for Cascade. GODOTAGENTS.md for Godot 4Keep agents from wrecking your scene tree in a jam. MODDINGAGENTS.md for game moddingPin the game version, patch via hooks, protect saves. PROMPTSAI agent system prompt templatesGuardrails, injection defense, and eval-minded prompts.