Borrowing it
Nothing to install: this file belongs to kotobuki09/instructree. 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/kotobuki09/instructree/main/AGENTS.mdgit clone --depth 1 https://github.com/kotobuki09/instructreeWrote 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/kotobuki09/instructree/agents-md)<a href="https://agentmods.dev/instructions/kotobuki09/instructree/agents-md"><img src="https://agentmods.dev/badge/instructions/kotobuki09/instructree/agents-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/kotobuki09/instructree/agents-md"><img src="https://agentmods.dev/badge/instructions/kotobuki09/instructree/agents-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 | $0.00087 | $0.00087 |
| Opus 5.5 | $0.00035 | $0.00035 |
| Sonnet 5.5 | $0.00017 | $0.00017 |
| Haiku 4.5 | $0.00009 | $0.00009 |
Grade A, and why
instructree 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 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
Contributor instructions
- Keep Instructree dependency-free at runtime.
- Use Node.js built-ins and support Node.js 20 or newer.
- Add or update a focused
node:testcase for every behavior change. - Preserve deterministic output: sort discovered paths and diagnostics.
- Describe heuristic findings as possible conflicts, never as proven agent behavior.
- Run
npm testandnpm run checkbefore submitting a 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 · 9 lines · 87 tokens per session scan A fcb03346eaa9
instructree AGENTS.md is an instructions file published in the GitHub repository kotobuki09/instructree (0 stars, last pushed 2mo ago), licensed MIT. It adds 87 tokens to every session, about $0.0003 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 2026-08-31.
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