Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
/plugin marketplace add humanlayer/skillsnpx agentmods add plugins/humanlayer/skills/improve-claude-mdgit clone --depth 1 https://github.com/humanlayer/skillsGrade A, and why
improve-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 2d 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
{
"name": "improve-claude-md",
"description": "Rewrite a CLAUDE.md file using <important if> blocks to improve instruction adherence",
"version": "1.0.0",
"author": {
"name": "humanlayer",
"email": "[email protected]"
},
"repository": "https://github.com/humanlayer/skills",
"license": "MIT",
"keywords": ["claude-md", "instructions", "important-if", "claude-code"]
}
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.
- 2d ago First seen · 13 lines scan A 420328b0df41
improve-claude-md is a plugin published in the GitHub repository humanlayer/skills (632 stars, last pushed 19d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. 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.
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