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.
npx skills add human-avatar/skills-for-humanity --skill s4h-playgit 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/skills/human-avatar/skills-for-humanity/s4h-play)<a href="https://agentmods.dev/skills/human-avatar/skills-for-humanity/s4h-play"><img src="https://agentmods.dev/badge/skills/human-avatar/skills-for-humanity/s4h-play/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/skills/human-avatar/skills-for-humanity/s4h-play"><img src="https://agentmods.dev/badge/skills/human-avatar/skills-for-humanity/s4h-play.svg" alt="Reviewed on agentmods" width="80" height="20"></a>- NVIDIA SkillSpector pass
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 | $0.00076 | $0.01105 |
| Opus 5 | $0.00038 | $0.00553 |
| Sonnet 5 | $0.00015 | $0.00221 |
| Haiku 4.5 | $0.00008 | $0.00111 |
Grade A, and why
s4h-play 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 9d 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 — 90 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Play
Applies playful, unconventional thinking to break fixed patterns and generate unexpected possibilities. Play isn't frivolous — it's a serious tool for accessing ideas that conventional thinking misses.
Which tool fits
| You need to... | Tool |
|---|---|
| Remove or invert the main constraint to see what becomes possible | constraint-inversion |
| Fully inhabit the opposing perspective to find what you're missing | perspective-reversal |
| Introduce a random, unrelated element to break mental fixation | stimulus-generation |
| Design the worst possible version, then reverse it | worst-case-reversal |
Routing Decision
- Constraint feels like the ceiling on all thinking → constraint-inversion
- Missing what the other side sees — competitor, critic, user → perspective-reversal
- Stuck in the same circles, need a jolt from outside → stimulus-generation
- Polite brainstorming keeps producing safe ideas → worst-case-reversal
- Unclear → perspective-reversal; inhabiting another view unblocks most stuck situations
Framing check: Confirm the specific challenge before routing. State what you've identified — the actual situation and what kind of stuck the user is in — in one sentence, then use AskUserQuestion:
- Question: "I'm reading this as: [your one-sentence framing of the challenge and what's blocking progress]. Is that right?"
- Header: "Framing"
- Options:
- Yes — proceed — framing is correct
- Adjust — one element is off; user will correct it before you continue
- Reframe — different situation than read; incorporate the correction before proceeding
Confirm Direction
After diagnosing which tool fits, use the AskUserQuestion tool to confirm direction. Construct the question dynamically to include your diagnosis:
- Question: "My read: [diagnosed tool] — [one sentence on why it fits]. How would you like to proceed?"
- Header: "Direction"
- Options:
- Yes, run that tool — Execute the diagnosed skill immediately using the context already provided
- Show all options — List every skill in this category with one-line descriptions
- Quick version — Run a lighter-weight alternative if one exists for this situation
- Re-diagnose — Revisit the situation description for a different read
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.
- 9d ago First seen · 90 lines · 76 tokens per session scan A 3ba794e49fca
s4h-play is a skill published in the GitHub repository human-avatar/skills-for-humanity (223 stars, last pushed 1mo ago), licensed MIT. It adds 76 tokens to every session and 1,105 once invoked, about $0.0004 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 2026-09-03.
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