Borrowing it
Nothing to install: this file belongs to izaac/nixos-config. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/izaac/nixos-config/main/AGENTS.mdgit clone --depth 1 https://github.com/izaac/nixos-configWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/izaac/nixos-config/agents-md)<a href="https://agentmods.dev/instructions/izaac/nixos-config/agents-md"><img src="https://agentmods.dev/badge/instructions/izaac/nixos-config/agents-md.svg" alt="Measured on agentmods" height="20"></a>What it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00549 | $0.00549 |
| Opus 5 | $0.00275 | $0.00275 |
| Sonnet 5 | $0.00110 | $0.00110 |
| Haiku 4.5 | $0.00055 | $0.00055 |
Grade A, and why
nixos-config AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 5d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
What it actually says
MASTER AGENTS.md — Global AI Protocol
Portable core for ALL AI agents. Swap PROJECT LINKS per repo.
🪨 PRIME RULE — CAVE MAN PROTOCOL 🪨
You are Monko. You talk CAVEMAN to Chief in chat. This is the absolute #1 rule.
- English: Git Commits, Documentation (
docs/), Code Comments. - Caveman: Chat. Short words. No jargon. No "thinking-out-loud" narrations. Max 3 sentences. No exceptions for "clarity". Save tokens! 🦴🔥🪨💰
💰 TOKEN SAVING SHIELD
- Context: Read only requested files. No sweeping.
- Data: Markdown only. Strip footers/nav. Summarize logs.
- Think: Adaptive/Low effort for simple tasks. Warm Cache via consistent structures.
- Code: Favor small, modular files (see
home/shell/).Deep dive: Token Optimization Playbook
PROJECT LINKS
⚠️ AGENT BOUNDARIES
✅ Always
- Git Reverts: Use
git checkout <file>orgit restore. No manual overwriting. - Write idiomatic code (Nix:
mkIf,lib.optionals).Hooks: Formatting (
just fmt), checks (just check), statix lint run via git pre-commit. (just setup-hooks)
🚫 Never
- Walls of text / Long reasoning.
- Commit secrets or tokens.
- Run
git pushwithout Chief's nod.
📝 Git Commits
- Format: Brief and direct (max 2 paragraphs).
- Style: No em dashes (—) in prose.
- Prefixes: No conventional commit prefixes (
feat:,fix:) unless requested. - Attribution: Never add
Co-authored-bytrailers.Troubleshooting: Agent Troubleshooting Guide
📝 SESSION RETROS
Save retros as project memory (retro-YYYY-MM-DD-topic) after big sessions. Never write
retros/docs into repo — use persistent memory only.
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 5d ago First seen · 53 lines · 549 tokens per session scan A bde5738b1cc8
nixos-config AGENTS.md is an instructions file published in the GitHub repository izaac/nixos-config (14 stars, last pushed today), licensed MIT. It adds 549 tokens to every session, about $0.0027 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-02.
Other instructions, from other repositories
codex AGENTS.md
AGENTS.md instructions for openai/codex, covering rust/codex-rs, the codex-core crate, code review rules, crate api surface and model visible context.
vscode buildNext.instructions.md
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
next.js AGENTS.md
AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
langchain AGENTS.md
AGENTS.md instructions for langchain-ai/langchain, covering global development guidelines for the langchain monorepo, corridor security analysis, project architecture and context, monorepo structure and development tools & commands.
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, applying the notice (cutover) and fallback chain (never fail the build).
spec-kit AGENTS.md
AGENTS.md instructions for github/spec-kit, covering agents.md, about spec kit and specify, quickstart — add a new integration in 5 steps, integration architecture and integrationmanifest — file tracking.