Borrowing it
Nothing to install: this file belongs to pleasedodisturb/llm-safe-haven. 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/pleasedodisturb/llm-safe-haven/main/CLAUDE.mdgit clone --depth 1 https://github.com/pleasedodisturb/llm-safe-havenWrote 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/pleasedodisturb/llm-safe-haven/claude-md)<a href="https://agentmods.dev/instructions/pleasedodisturb/llm-safe-haven/claude-md"><img src="https://agentmods.dev/badge/instructions/pleasedodisturb/llm-safe-haven/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/pleasedodisturb/llm-safe-haven/claude-md"><img src="https://agentmods.dev/badge/instructions/pleasedodisturb/llm-safe-haven/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 | $0.01322 | $0.01322 |
| Opus 5 | $0.00661 | $0.00661 |
| Sonnet 5 | $0.00264 | $0.00264 |
| Haiku 4.5 | $0.00132 | $0.00132 |
Grade A, and why
llm-safe-haven CLAUDE.md scanned grade A with 1 finding 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 10d 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.
Runs shell commandslowCapability
Expected in a hook, worth knowing in a rule or an instructions file.
- Zero runtime dependencies. Only Node.js built-ins (fs, path, os, crypto, child_process). How it starts
The opening of the file, as written. The whole thing — 118 lines — stays where its author put it; the contents beside it link to each section on GitHub.
LLM Safe Haven
What This Is
Security toolkit and reference for solo developers running autonomous AI coding agents.
npx llm-safe-haven installs hooks and hardens your setup in 60 seconds.
This file does not restate global rules — read ~/.claude/CLAUDE.md first.
For the cross-agent working contract and current project state (shipped version, active milestone, next work), see AGENTS.md.
Project Structure
bin/ — CLI entry point (npx llm-safe-haven) lib/ — CLI logic (detect, install, audit, scan) lib/agents/ — Modular agent plugins (one file per agent) hooks/ — PreToolUse/PostToolUse hooks (the product) manifests/ — Secret manifest format docs/ — Reference documentation (threat model, hardening guides) docs/hardening/ — Per-agent hardening guides (6 agents) docs/guides/ — Quick start, tutorials
TDD — Non-Negotiable (adopted 2026-08-17)
Every behaviour change starts with a failing test. Not "tests alongside". Not "tests before the PR". The test is written first, it is run, it FAILS, and that failure is recorded — then the code is written.
The contract
- RED first. Write the test. Run it. It must fail for the reason you intend — a test that
fails with
TypeError: x is not a functionproves nothing; it must fail on the assertion. - Commit the RED separately, prefixed
test(G-NNNN):, before the implementation commit. On a squash-merged repo this branch history is the only surviving evidence the order was honoured. - Paste the verbatim RED output into the implementation commit message. "Tests added" is not evidence; the failure text is.
- GREEN. Implement. The named test now passes and nothing else broke.
Clear pass/fail criteria — what "proper test" means here
A test that cannot fail is worse than no test, because it ships confidence. Before writing one, state in a comment what would make it fail. Then:
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.
- 10d ago First seen · 118 lines · 1,322 tokens per session scan A d81d01d7caef
llm-safe-haven CLAUDE.md is an instructions file published in the GitHub repository pleasedodisturb/llm-safe-haven (5 stars, last pushed 3d ago), licensed MIT. It adds 1,322 tokens to every session, about $0.0066 per session on Opus 5. A static security scan graded it A with 1 finding (runs shell commands). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.
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