Borrowing it
Nothing to install: this file belongs to human-avatar/skills-for-humanity. 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/human-avatar/skills-for-humanity/main/CLAUDE.mdgit clone --depth 1 https://github.com/human-avatar/skills-for-humanityWrote 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/human-avatar/skills-for-humanity/claude-md)<a href="https://agentmods.dev/instructions/human-avatar/skills-for-humanity/claude-md"><img src="https://agentmods.dev/badge/instructions/human-avatar/skills-for-humanity/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/human-avatar/skills-for-humanity/claude-md"><img src="https://agentmods.dev/badge/instructions/human-avatar/skills-for-humanity/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 | $0.00698 | $0.00698 |
| Opus 5 | $0.00349 | $0.00349 |
| Sonnet 5 | $0.00140 | $0.00140 |
| Haiku 4.5 | $0.00070 | $0.00070 |
Grade A, and why
skills-for-humanity 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 10d 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 — 77 lines — stays where its author put it; the contents beside it link to each section on GitHub.
skills-for-humanity
A structured thinking toolkit delivered as Claude Code skills. Each skill encodes a complete reasoning methodology — not just instructions, but the full technique: when to apply it, when not to, how to sequence the steps, and what rigorous output looks like.
Structure
skills/
{category}/ ← category command, invoked as /{category}
SKILL.md
{category}-{skill}/ ← individual skill, invoked as /{category}-{skill}
SKILL.md
docs/
{category}/
README.md ← category index with skills table
{skill}.md ← full skill documentation with example
Naming convention
- Category commands:
skills/{category}/SKILL.md→ invoked as/{category} - Individual skills:
skills/{category}-{skill}/SKILL.md→ invoked as/{category}-{skill}
Example: skills/ethics-council/SKILL.md is invoked as /ethics-council. The folder name IS the command name.
SKILL.md format
Every SKILL.md starts with YAML frontmatter:
---
name: {command-name}
description: "One or two sentences describing what this skill does and what triggers it. Include the natural-language phrases that should activate it."
---
The body contains the full methodology: context/rationale, step-by-step process, output format, and notes on when to use vs. adjacent skills.
Category command format
Category commands (skills/{category}/SKILL.md) diagnose the situation and route to the right individual skill. They read the user's input, identify which sub-skill fits, and invoke it inline. Pattern: describe the situation → diagnose the problem type → apply the right tool.
Docs format
Each skill documentation page (docs/{category}/{skill}.md) follows this structure:
- Title + tagline
- What it does (2–3 sentences)
- When to use it (bullet list)
- When NOT to use it (2 paragraphs with the nearest-neighbor trap)
- Full realistic example with input and complete structured output
- Related skills (cross-links)
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.
- 10d ago First seen · 77 lines · 698 tokens per session scan A 6cb5d76ff155
skills-for-humanity CLAUDE.md is an instructions file published in the GitHub repository human-avatar/skills-for-humanity (223 stars, last pushed 1mo ago), licensed MIT. It adds 698 tokens to every session, about $0.0035 per session on Opus 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.
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