Borrowing it
Nothing to install: this file belongs to d-kuro/kirocc. 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/d-kuro/kirocc/main/CLAUDE.mdgit clone --depth 1 https://github.com/d-kuro/kiroccWrote 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/d-kuro/kirocc/claude-md)<a href="https://agentmods.dev/instructions/d-kuro/kirocc/claude-md"><img src="https://agentmods.dev/badge/instructions/d-kuro/kirocc/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/d-kuro/kirocc/claude-md"><img src="https://agentmods.dev/badge/instructions/d-kuro/kirocc/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 | $0.00288 | $0.00288 |
| Opus 5.5 | $0.00115 | $0.00115 |
| Sonnet 5.5 | $0.00058 | $0.00058 |
| Haiku 4.5 | $0.00029 | $0.00029 |
Grade A, and why
kirocc 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 1mo 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
Agent Guidelines
Core Principles
- Do NOT maintain backward compatibility unless explicitly requested. Break things boldly.
- Keep this file under 20-30 lines of instructions.
Project Overview
Project type: CLI tool — local proxy server (Anthropic Messages API → Kiro backend) Primary language: Go
Commands
make build # Build to dist/kirocc
make test # go test -race ./...
make lint # golangci-lint run
make run # go run ./cmd/kirocc
make test-e2e # E2E tests with real Kiro API (requires credentials)
Code Conventions
- Follow the existing patterns in the codebase
- Prefer explicit over clever
- Delete dead code immediately
Maintenance Notes
Keep this file lean and current:
- Review regularly - stale instructions poison the agent's context
- CRITICAL: Keep total under 20-30 lines - move detailed docs to separate files and reference them
- Update commands immediately when workflows change
- Rewrite Architecture section when major architectural changes occur
- Delete anything the agent can infer from your code
Remember: Coding agents learn from your actual code. Only document what's truly non-obvious or critically important.
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.
- 1mo ago First seen · 48 lines · 288 tokens per session scan A f1969f5b5a42
kirocc CLAUDE.md is an instructions file published in the GitHub repository d-kuro/kirocc (75 stars, last pushed 7d ago), licensed Apache-2.0. It adds 288 tokens to every session, about $0.0012 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.
Other instructions, from other repositories
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AGENTS.md instructions for vercel/next.js, covering next.js development guide, codebase structure, monorepo overview, core package: packages/next and other important packages.
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Copilot instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).
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Model-specific prompt authoring and registry guidelines.