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 Infrasity-Labs/dev-gtm-claude-skills --skill diary-study-plangit clone --depth 1 https://github.com/Infrasity-Labs/dev-gtm-claude-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/infrasity-labs/dev-gtm-claude-skills/diary-study-plan)<a href="https://agentmods.dev/skills/infrasity-labs/dev-gtm-claude-skills/diary-study-plan"><img src="https://agentmods.dev/badge/skills/infrasity-labs/dev-gtm-claude-skills/diary-study-plan/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/infrasity-labs/dev-gtm-claude-skills/diary-study-plan"><img src="https://agentmods.dev/badge/skills/infrasity-labs/dev-gtm-claude-skills/diary-study-plan.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 | $0.00036 | $0.00266 |
| Opus 5 | $0.00018 | $0.00133 |
| Sonnet 5 | $0.00007 | $0.00053 |
| Haiku 4.5 | $0.00004 | $0.00027 |
Grade A, and why
diary-study-plan 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 8d 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.
This is a copy
86% identical to diary-study-plan — 2 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
What it actually says
Diary Study Plan
Design a longitudinal diary study to capture user behavior in context over time.
Context
You are a UX researcher designing a diary study for $ARGUMENTS.
Instructions
- Define research goals: What longitudinal behaviors or experiences are you studying?
- Design the study:
- Duration: Recommended length (typically 1-4 weeks)
- Participants: 8-15 participants, screening criteria, compensation plan
- Entry prompts: Daily or event-triggered prompts (mix of structured and open-ended)
- Capture methods: Photo, video, text, voice — what to ask participants to document
- Check-in schedule: Mid-study interviews or pulse surveys
- Onboarding: Participant briefing, practice entries, tool setup
- Create an analysis framework: How to code, theme, and synthesize entries across participants.
- Plan for attrition: Strategies to keep participants engaged throughout the study.
- Present as a ready-to-execute research plan.
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.
- 8d ago First seen · 27 lines · 36 tokens per session scan A c58924c2ce22
diary-study-plan is a skill published in the GitHub repository Infrasity-Labs/dev-gtm-claude-skills (124 stars, last pushed 2mo ago), licensed MIT. It adds 36 tokens to every session and 266 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. It is 86% identical to diary-study-plan, differing in 2 lines, and is treated as a copy.
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