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 cnfeat/top-pm-skills --skill developer-onboarding-docgit clone --depth 1 https://github.com/cnfeat/top-pm-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/cnfeat/top-pm-skills/developer-onboarding-doc)<a href="https://agentmods.dev/skills/cnfeat/top-pm-skills/developer-onboarding-doc"><img src="https://agentmods.dev/badge/skills/cnfeat/top-pm-skills/developer-onboarding-doc/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/cnfeat/top-pm-skills/developer-onboarding-doc"><img src="https://agentmods.dev/badge/skills/cnfeat/top-pm-skills/developer-onboarding-doc.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 | $0.00081 | $0.02870 |
| Opus 5 | $0.00041 | $0.01435 |
| Sonnet 5 | $0.00016 | $0.00574 |
| Haiku 4.5 | $0.00008 | $0.00287 |
Grade A, and why
developer-onboarding-doc scanned grade A with 1 finding 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 6d 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.
Makes network callslowCapability
Not a fault in itself. Listed so you know the mod talks to something, and to what.
curl http://localhost:[PORT]/health How it starts
The opening of the file, as written. The whole thing — 341 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Developer Onboarding Document Skill
Produce a complete developer onboarding document for a service or team — covering everything a new engineer needs to be productive within their first week.
A good onboarding doc is not a wiki dump. It answers the questions a new engineer actually has on day one, in the order they'll have them.
Required Inputs
Ask for these if not already provided:
- Service name and what it does
- Team responsible for it
- Tech stack — language(s), framework(s), database(s), message queues, etc.
- Key external dependencies — upstream services, third-party APIs
- Deployment target — Kubernetes, ECS, Lambda, bare metal, etc.
- Local dev setup — how to run locally (Docker Compose, local DB, etc.)
- Testing approach — unit, integration, E2E; test commands
- Deployment process — summary of how code gets to production
- On-call setup — who's on-call, how alerts work
- Contacts — tech lead, platform team, related service owners
Output Format
Developer Onboarding: [Service Name]
Team: [Team name] | Tech lead: [Name] Last updated: [Date] | Updated by: [Name]
If something in this doc is wrong or out of date, fix it now — it will affect every engineer who onboards after you.
What This Service Does
[3–5 sentences. What problem does this service solve? Who calls it, and who does it call? What would break if this service went down?]
Service type: [API / Background worker / Event consumer / Data pipeline / etc.] Consumers: [List internal services or external clients that depend on this service] Dependencies: [List upstream services, databases, and third-party APIs this service calls]
Architecture diagram: [Link or embed — even a rough ASCII diagram helps]
[Caller A] ──→ [This Service] ──→ [Database]
│
└──→ [Downstream Service]
Codebase Orientation
Repository: [Link]
Main branch: [main / master]
Language: [e.g. Go 1.22 / Node.js 20 / Python 3.12]
Framework: [e.g. Express / FastAPI / Gin / Rails]
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.
- 6d ago First seen · 341 lines · 81 tokens per session scan A 1e9104ce8b1d
developer-onboarding-doc is a skill published in the GitHub repository cnfeat/top-pm-skills (48 stars, last pushed 2mo ago), licensed MIT. It adds 81 tokens to every session and 2,870 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.
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