Borrowing it
Nothing to install: this file belongs to kensaurus/mushi-mushi. 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/kensaurus/mushi-mushi/master/AGENTS.mdgit clone --depth 1 https://github.com/kensaurus/mushi-mushiWrote 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/kensaurus/mushi-mushi/agents-md)<a href="https://agentmods.dev/instructions/kensaurus/mushi-mushi/agents-md"><img src="https://agentmods.dev/badge/instructions/kensaurus/mushi-mushi/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/kensaurus/mushi-mushi/agents-md"><img src="https://agentmods.dev/badge/instructions/kensaurus/mushi-mushi/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 | $0.14543 | $0.14543 |
| Opus 5.5 | $0.05817 | $0.05817 |
| Sonnet 5.5 | $0.02909 | $0.02909 |
| Haiku 4.5 | $0.01454 | $0.01454 |
Grade A, and why
mushi-mushi 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 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.
The source is not reproduced here
A licence we could not identify
The repository carries a LICENSE file, but it is custom or dual enough that GitHub cannot name it and neither can this catalogue. Unknown terms are not permission, so the body is not copied here. Read the licence at the source and decide for yourself.
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 · -7 tokens per session 778a268179f0
- 3d ago Changed · +1 lines · +236 tokens per session 8c452d943d8a
- 4d ago Changed · +2 lines · +39 tokens per session fa77ef009479
- 9d ago Changed · +11 lines · +277 tokens per session 66b2fda7a7c8
- 10d ago Changed · +1 tokens per session 73f495b78ff6
- 12d ago Changed · +6 lines · +136 tokens per session e543cb4f43fa
- 14d ago Changed 299ff5c7468a
- 15d ago Changed · +18 lines · +676 tokens per session fc2c9796d5ee
- 17d ago Changed · +1 lines · +44 tokens per session 3e7d9d3be6d3
- 18d ago First seen · 864 lines · 13,141 tokens per session scan A 59a5e8f85d03
mushi-mushi AGENTS.md is an instructions file published in the GitHub repository kensaurus/mushi-mushi (3 stars, last pushed 2d ago), with no licence file. It adds 14,543 tokens to every session, about $0.0582 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.
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.