Claw Code is a Rust implementation of a command-line agent harness, maintained as an agent-managed repository rather than a conventional manually operated product. Its harnesses plan, execute, verify, label, and preserve the project, while the catalogue add-ons support the agent workflows around it.
Borrowing it
Nothing to install: this file belongs to ultraworkers/claw-code. 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/ultraworkers/claw-code/main/CLAUDE.mdgit clone --depth 1 https://github.com/ultraworkers/claw-codeWrote 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/ultraworkers/claw-code/claude-md)<a href="https://agentmods.dev/instructions/ultraworkers/claw-code/claude-md"><img src="https://agentmods.dev/badge/instructions/ultraworkers/claw-code/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/ultraworkers/claw-code/claude-md"><img src="https://agentmods.dev/badge/instructions/ultraworkers/claw-code/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 | $0.00250 | $0.00250 |
| Opus 5.5 | $0.00100 | $0.00100 |
| Sonnet 5.5 | $0.00050 | $0.00050 |
| Haiku 4.5 | $0.00025 | $0.00025 |
Grade A, and why
claw-code 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 2mo 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
CLAUDE.md
This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
Detected stack
- Languages: Rust.
- Frameworks: none detected from the supported starter markers.
Verification
- Run Rust verification from repo root:
scripts/fmt.sh --check; for formatting usescripts/fmt.sh. Run Rust clippy/tests fromrust/:cargo clippy --workspace --all-targets -- -D warnings,cargo test --workspace src/andtests/are both present; update both surfaces together when behavior changes.
Repository shape
rust/contains the Rust workspace and active CLI/runtime implementation.src/contains source files that should stay consistent with generated guidance and tests.tests/contains validation surfaces that should be reviewed alongside code changes.
Working agreement
- Prefer small, reviewable changes and keep generated bootstrap files aligned with actual repo workflows.
- Keep shared defaults in
.claude.json; reserve.claude/settings.local.jsonfor machine-local overrides. - Do not overwrite existing
CLAUDE.mdcontent automatically; update it intentionally when repo workflows change.
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.
- 2mo ago First seen · 22 lines · 250 tokens per session scan A 645dd3580f94
claw-code CLAUDE.md is an instructions file published in the GitHub repository ultraworkers/claw-code (194,948 stars, last pushed 2d ago), licensed MIT. It adds 250 tokens to every session, about $0.0010 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.
claw-code CLAUDE.md compared with instructions from other repositories
| Mod | Type | Stars | Last push | Licence | Scan | Tokens | Works with |
|---|---|---|---|---|---|---|---|
| claw-code CLAUDE.mdultraworkers/claw-code | Instructions file | 195k | 2d ago | MIT | A | 250 | Claude Code |
| vscode buildNext.instructions.mdmicrosoft/vscode | Instructions file | 195k | today | MIT | A | 9,719 | GitHub Copilot |
| next.js AGENTS.mdvercel/next.js | Instructions file | 143k | today | MIT | A | 7,461 | Codex, OpenCode |
| vscode oss-third-party-notices.instructions.mdmicrosoft/vscode | Instructions file | 195k | today | MIT | A | 5,516 | GitHub Copilot |
| langchain AGENTS.mdlangchain-ai/langchain | Instructions file | 149k | today | MIT | A | 4,680 | Codex, OpenCode |
| vscode copilot-instructions.mdmicrosoft/vscode | Instructions file | 195k | today | MIT | A | 3,093 | GitHub Copilot |
| deepseek-harness AGENTS.mddeepseek-ai/deepseek-harness | Instructions file | 274k | 2d ago | MIT | A | 4,313 | Codex, OpenCode |