Borrowing it
Nothing to install: this file belongs to adewale/agentic-mermaid. 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/adewale/agentic-mermaid/main/CLAUDE.mdgit clone --depth 1 https://github.com/adewale/agentic-mermaidWrote 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/adewale/agentic-mermaid/claude-md)<a href="https://agentmods.dev/instructions/adewale/agentic-mermaid/claude-md"><img src="https://agentmods.dev/badge/instructions/adewale/agentic-mermaid/claude-md.svg" alt="Measured on agentmods" 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 | $0.00758 | $0.00758 |
| Opus 5 | $0.00379 | $0.00379 |
| Sonnet 5 | $0.00152 | $0.00152 |
| Haiku 4.5 | $0.00076 | $0.00076 |
Grade A, and why
agentic-mermaid 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 7d 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.
How it starts
The opening of the file, as written. The whole thing — 64 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CLAUDE.md
Guidance for AI agents working in this repository.
Project
Agentic Mermaid (agentic-mermaid on npm) — a fork of lukilabs/beautiful-mermaid
that renders Mermaid diagrams to SVG/PNG/ASCII/Unicode with a typed, agent-native
editing surface. Source lives in src/; the layout pipeline is in
src/layout-engine.ts, the deterministic layout-quality rubric in src/layout-rubric.ts.
Commands
bun install— install dependencies.bun run test— run the full covered unit suite with the canonical timeout (the CI gate). fast-check seeds are pinned by a preload;AM_FC_SEED=<int>reproduces a roll,AM_FC_SEED=randomis finder mode (seedocs/testing-strategy.md§4).bun run typecheck— canonical typecheck across core and repository surfaces.bun run track— heuristic layout-quality tracker (improvements/regressions vs baseline).bun run bin/am.ts render <file> --format png --output out.png— render a diagram.bun run website— build the Cloudflare Workers site intowebsite/public/, a gitignored build artifact (rebuilt at deploy bydeploy-cloudflare.yml, and on-demand by explicit imports ofsrc/__tests__/website-public-fixture.ts). You do not commit it.website/src/generated/is also ephemeral.website:checkperforms an in-memory clean regeneration and contract comparison for both trees; runbun run websiteonly when local serving, deployment, or an explicit fixture consumer needs materialized outputs.
Layout is deterministic: identical input must produce identical geometry.
Pull requests — use the good-pr skill
Before opening or updating a PR, use the good-pr skill
(https://github.com/adewale/good-pr; install with npx skills add adewale/good-pr).
It evaluates a PR across seven dimensions and ships a readiness script and a
description template. Apply it to every PR in this repo.
The seven dimensions:
- Reproduction steps — reference the issue; give the exact steps/probe a maintainer can run to reproduce the bug and confirm the fix.
- Visual evidence — for visual/UI changes include captioned before/after renders (generated artifacts preferred). If a geometry change is below visual perceptibility, say so honestly and let the quantitative metric stand as the evidence — do not pad the PR with near-identical screenshots.
- Code that fits — match existing patterns, naming, and comment density; no unrelated refactoring smuggled in.
- Tests that prove the fix — tests must fail when the fix is reverted. Verify red→green and state the result (e.g. "N tests fail without the fix").
- Scoped and safe — one concern, minimal diff, full test suite run, risks flagged.
- Standalone description — what / why / how / testing / risk, understandable without reading the diff.
- Trust — be honest about readiness, limitations, and any test that is a regression guard rather than a bug-discriminating test.
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.
- 7d ago First seen · 64 lines · 758 tokens per session scan A 0a48a59ca7c8
agentic-mermaid CLAUDE.md is an instructions file published in the GitHub repository adewale/agentic-mermaid (50 stars, last pushed 7d ago), licensed MIT. It adds 758 tokens to every session, about $0.0038 per session on Opus 5. A static security scan graded it A with 0 findings. It comes from a forked repository.
Other instructions, from other repositories
codex AGENTS.md
AGENTS.md instructions for openai/codex, covering rust/codex-rs, the codex-core crate, code review rules, crate api surface and model visible context.
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.
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 oss-third-party-notices.instructions.md
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, applying the notice (cutover) and fallback chain (never fail the build).
spec-kit AGENTS.md
AGENTS.md instructions for github/spec-kit, covering agents.md, about spec kit and specify, quickstart — add a new integration in 5 steps, integration architecture and integrationmanifest — file tracking.