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 matteotitta/genesys-skills --skill experimentgit clone --depth 1 https://github.com/matteotitta/genesys-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/skills/matteotitta/genesys-skills/experiment)<a href="https://agentmods.dev/skills/matteotitta/genesys-skills/experiment"><img src="https://agentmods.dev/badge/skills/matteotitta/genesys-skills/experiment/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/matteotitta/genesys-skills/experiment"><img src="https://agentmods.dev/badge/skills/matteotitta/genesys-skills/experiment.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 | $0.00121 | $0.01013 |
| Opus 5 | $0.00060 | $0.00507 |
| Sonnet 5 | $0.00024 | $0.00203 |
| Haiku 4.5 | $0.00012 | $0.00101 |
Grade A, and why
experiment 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 12d 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 — 123 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/experiment — Track hypotheses, variants, and learnings
Stop re-testing what already failed. Stop forgetting what worked. This skill gives you a structured experiment tracking system that compounds knowledge across sessions — every test informs the next one.
For full schema, modes (new/log/review/suggest), and messaging-mode scoring → the premium reference.
Claude Code Triggers
Invoke this skill when user says:
- "/experiment new [description]"
- "/experiment log [experiment-id or description]"
- "/experiment review [domain]"
- "/experiment suggest [domain]"
- "New experiment:" or "I want to test..."
- "Log experiment result:" or "The results are in..."
- "What experiments have we run on...?"
- "What should I test next for...?"
Do NOT invoke when:
- User is doing A/B testing in code (development work)
- User wants to track bugs (use
/track-bug) - User wants general research (use context skills)
Modes (quick reference)
| Mode | Purpose | Required arg |
|---|---|---|
/experiment new [description] |
Create experiment + variants | description (optional) |
/experiment log [id or description] |
Record results + learnings | id or description |
/experiment review [domain] |
Browse past experiments | domain (optional) |
/experiment suggest [domain] |
Recommend next test | domain |
For full mode workflows + output formats → the premium reference.
Domains
| Domain | Use for |
|---|---|
content |
LinkedIn hooks, post formats, content angles, newsletter subjects |
messaging |
Value props, positioning variants, CTA wording, taglines |
workflow |
Skill parameters, MCP configurations, prompt engineering |
outreach |
Email subject lines, sequences, cold outreach approaches |
pricing |
Packaging variants, pricing page layouts, discount strategies |
Database
Location: .claude/experiments/experiments.db
Tables: experiments, variants, learnings, experiments_fts (FTS5 index)
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.
- 12d ago First seen · 123 lines · 121 tokens per session scan A 50a957a0fa8c
experiment is a skill published in the GitHub repository matteotitta/genesys-skills (36 stars, last pushed 1mo ago), licensed MIT. It adds 121 tokens to every session and 1,013 once invoked, about $0.0006 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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