Borrowing it
Nothing to install: this file belongs to lglucas/ai-dev-operating-system. 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/lglucas/ai-dev-operating-system/main/CLAUDE.mdgit clone --depth 1 https://github.com/lglucas/ai-dev-operating-systemWrote 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/lglucas/ai-dev-operating-system/claude-md)<a href="https://agentmods.dev/instructions/lglucas/ai-dev-operating-system/claude-md"><img src="https://agentmods.dev/badge/instructions/lglucas/ai-dev-operating-system/claude-md/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/lglucas/ai-dev-operating-system/claude-md"><img src="https://agentmods.dev/badge/instructions/lglucas/ai-dev-operating-system/claude-md.svg" alt="Reviewed on agentmods" width="80" 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 | $0.00761 | $0.00761 |
| Opus 5.5 | $0.00304 | $0.00304 |
| Sonnet 5.5 | $0.00152 | $0.00152 |
| Haiku 4.5 | $0.00076 | $0.00076 |
Grade A, and why
ai-dev-operating-system CLAUDE.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 27d 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.
How it starts
The opening of the file, as written. The whole thing — 75 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CLAUDE.md — AI Dev Operating System
This file defines how Claude Code and other AI coding agents should behave inside this repository.
The purpose of this repo is to provide a day-zero operating system for AI-assisted SaaS development: rules, agents, skills, commands, documentation layers, sprint system, changelog discipline, session logs, security gates, and prototype workflows.
Golden rules
- Do not code before context.
- Use
START-HERE.mdandWIZARD.mdfor new projects. Prototype (Phase 3) before specifying (Phase 4). - Keep documentation layers separate.
- Preserve decision memory in
session-log/. - Human review is mandatory for BP v0.0.1 before BP v0.0.2.
- Use multi-agent review when relevant.
- No invented facts in market, competitor, legal, pricing, or regulatory claims.
- Use separation of concerns and keep code files under 200 lines where practical.
- Generated code files should include purpose/version/sprint headers.
- Use stable dependencies by default; avoid alpha/beta unless explicitly accepted.
Required generated artifacts for a new project
Listed in the order the wizard produces them:
knowledge-base/README.md (Phase 2)
docs/business/BUSINESS-PLAN.md (Phase 2)
docs/business/PITCH.md (Phase 2)
prototype-lab/README.md (Phase 3)
docs/product/DESIGN-DIRECTION.md (Phase 3)
docs/product/PRODUCT-BRIEF.md (Phase 4)
docs/technical/TECHNICAL-PLAN.md (Phase 4)
docs/SPRINTS.md (Phase 4)
CODEMAP.md (Phase 5, generated from the code)
CHANGELOG.md
session-log/INDEX.md
session-log/YYYY-MM-DD-project-genesis.md
Project Genesis Wizard
The canonical wizard is WIZARD.md. It runs in 5 phases:
| Phase | Name | Produces |
|---|---|---|
| 1 | Largada | detached repo, project intro |
| 2 | Ideação | research, red team, BP v0.0.2 |
| 3 | Protótipo | brand, color, UI, UX — three clickable directions, one approved, and docs/product/DESIGN-DIRECTION.md written as the bridge into Phase 4 |
| 4 | Documentação | Product Brief + Technical Plan reverse-engineered from the prototype, then the roadmap |
| 5 | Chegada | Sprint 0 / Sprint 1 |
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.
- 27d ago Changed · +13 lines · +110 tokens per session e1b73a9df1f9
- 1mo ago Changed · -2 tokens per session 7a36cca6b40b
- 2mo ago First seen · 62 lines · 653 tokens per session scan A 92411ac752b1
ai-dev-operating-system CLAUDE.md is an instructions file published in the GitHub repository lglucas/ai-dev-operating-system (14 stars, last pushed 27d ago), licensed MIT. It adds 761 tokens to every session, about $0.0030 per session on Opus 5.5. 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 2026-08-30.
Other instructions, from other repositories
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.
vscode oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, cache eligibility and rollout and applying the notice (cutover).
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 copilot-instructions.md
Copilot instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).
deepseek-harness AGENTS.md
AGENTS.md instructions for deepseek-ai/deepseek-harness, covering agents.md, pre-stable apis and released session data, repository layout, commands and host sandbox failures.