Borrowing it
Nothing to install: this file belongs to tobihagemann/turbo. 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/tobihagemann/turbo/main/CLAUDE.mdgit clone --depth 1 https://github.com/tobihagemann/turboWrote 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/tobihagemann/turbo/claude-md)<a href="https://agentmods.dev/instructions/tobihagemann/turbo/claude-md"><img src="https://agentmods.dev/badge/instructions/tobihagemann/turbo/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/tobihagemann/turbo/claude-md"><img src="https://agentmods.dev/badge/instructions/tobihagemann/turbo/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 | $0.00463 | $0.00463 |
| Opus 5 | $0.00231 | $0.00231 |
| Sonnet 5 | $0.00093 | $0.00093 |
| Haiku 4.5 | $0.00046 | $0.00046 |
Grade A, and why
turbo 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 yesterday.
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
Turbo
Turbo is a modular collection of agentic coding skills with sibling editions for Claude Code and Codex. Skills connect into larger pipelines like /finalize and /review-pr. See README.md for the full overview and dependency graph.
Project Structure
claude/ # Claude Code edition (canonical Claude tree)
├── skills/<skill-name>/
│ ├── SKILL.md # Skill definition (YAML frontmatter + markdown body)
│ ├── scripts/ # Optional supporting scripts
│ ├── references/ # Optional reference documentation
│ └── assets/ # Optional templates or boilerplate
├── SETUP.md
├── UPDATE.md
├── MIGRATION.md
├── ADDITIONS.md
└── SKILL-CONVENTIONS.md
codex/ # Codex edition (parallel tree)
Each skill is self-contained. Skills compose other skills to any depth via /skill-name invocations. The key distinction is between analysis skills (return structured findings without acting) and workflow skills (compose analysis skills and act on results).
@claude/SKILL-CONVENTIONS.md
Key Files
~/.turbo/config.json— User-level configuration. Top-leveloracleis shared. Per-edition state lives underclaude.{excludeSkills, lastUpdateHead, configVersion}; the parallelcodex.*object is present when the Codex edition is also installed.~/.turbo/repo/— Local clone of the upstream turbo repo (skill source for install/update)~/.claude/skills/— Installed Claude Code skills
A change that leaves a ~/.turbo/config.json key with no effect carries its own cleanup: add a MIGRATION.md entry deleting the key in each edition and bump the Current version in UPDATE.md. Dropping the key from SETUP.md only stops new installs from writing it, leaving it behind everywhere it was already written.
When working inside claude/, also see claude/CLAUDE.md for edition-specific rules.
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.
- yesterday Changed · +2 lines · +76 tokens per session 1f840331865c
- 10d ago First seen · 33 lines · 387 tokens per session scan A 130361585677
turbo CLAUDE.md is an instructions file published in the GitHub repository tobihagemann/turbo (402 stars, last pushed today), licensed MIT. It adds 463 tokens to every session, about $0.0023 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 2026-08-30.
Other instructions, from other repositories
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.
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).
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).
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.
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.