Borrowing it
Nothing to install: this file belongs to eagerworks/skills. 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/eagerworks/skills/main/CLAUDE.mdgit clone --depth 1 https://github.com/eagerworks/skillsWrote 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/eagerworks/skills/claude-md)<a href="https://agentmods.dev/instructions/eagerworks/skills/claude-md"><img src="https://agentmods.dev/badge/instructions/eagerworks/skills/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/eagerworks/skills/claude-md"><img src="https://agentmods.dev/badge/instructions/eagerworks/skills/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 | $0.03496 | $0.03496 |
| Opus 5.5 | $0.01398 | $0.01398 |
| Sonnet 5.5 | $0.00699 | $0.00699 |
| Haiku 4.5 | $0.00350 | $0.00350 |
Grade A, and why
skills 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.
How it starts
The opening of the file, as written. The whole thing — 85 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CLAUDE.md
This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
What this repo is
eagerworks/skills is a collection of portable markdown agent skills — not a runnable library. There is no build, lint, or compile step. The "product" is documentation that teaches coding agents (Claude Code, Cursor, Copilot, Codex, Amp, any skills.sh-compatible tool) how to do a specific job well. Contributions are almost always edits to markdown files.
Architecture
Two parallel trees, intentionally kept separate (see docs/decision-records/2026-06-30--evals-separate-from-skills.md):
skills/<name>/ # SHIPPED to users — the skills.sh CLI copies this whole dir
SKILL.md # agent entrypoint: frontmatter `description` (match trigger) + lean hub
references/*.md # in-depth docs, loaded by the agent ON DEMAND
assets/ # copyable starter files / templates (e.g. deploy.yml)
README.md # human-facing overview
CHANGELOG.md # per-version history: what changed + what config/files a consumer must touch
evals/<name>/ # NOT shipped — repo-level test harness
evals.json # question/answer + expectations pairs that verify skill quality
The boundary is the rule: anything users should receive goes inside skills/<name>/; anything purely for developing or validating the skill stays out of it. evals/<name>/ mirrors the skill name. The skills.sh CLI ships the entire directory containing a SKILL.md, which is why evals must live outside it.
Progressive disclosure (the core design principle)
SKILL.md is loaded up front, so it must stay lean — it's a hub: when-to-use frontmatter, a version-detection step, a table pointing to references/*.md, and critical gotchas. Depth belongs in references/*.md, which the agent opens only when relevant. When editing, push detail down into references/ rather than growing SKILL.md.
The skills
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 Changed · +16 lines · +1,020 tokens per session 635dfb328770
- 1mo ago Changed · +113 tokens per session 64cd764f2262
- 1mo ago Changed · +2 lines · +565 tokens per session dab850d3ccb9
- 1mo ago Changed · +4 lines · +280 tokens per session 6be2365b292a
- 1mo ago First seen · 63 lines · 1,518 tokens per session scan A df0c5a477a35
skills CLAUDE.md is an instructions file published in the GitHub repository eagerworks/skills (14 stars, last pushed 1mo ago), licensed MIT. It adds 3,496 tokens to every session, about $0.0140 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.