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 patricio0312rev/skills --skill dev-onboarding-buildergit clone --depth 1 https://github.com/patricio0312rev/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/patricio0312rev/skills/dev-onboarding-builder)<a href="https://agentmods.dev/skills/patricio0312rev/skills/dev-onboarding-builder"><img src="https://agentmods.dev/badge/skills/patricio0312rev/skills/dev-onboarding-builder/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/patricio0312rev/skills/dev-onboarding-builder"><img src="https://agentmods.dev/badge/skills/patricio0312rev/skills/dev-onboarding-builder.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 | $0.00064 | $0.03484 |
| Opus 5 | $0.00032 | $0.01742 |
| Sonnet 5 | $0.00013 | $0.00697 |
| Haiku 4.5 | $0.00006 | $0.00348 |
Grade A, and why
dev-onboarding-builder 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- dev-onboarding-builder — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 557 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Developer Onboarding Builder
Create frictionless first-day experiences for new team members.
Core Workflow
- Assess prerequisites: Identify required tools and access
- Create setup guide: Step-by-step environment configuration
- Design first task: Choose appropriate starter assignment
- Add time estimates: Set expectations for each step
- Document common issues: Preemptive troubleshooting
- Introduce team: Context on people and structure
- Provide codebase tour: Walkthrough of key areas
Onboarding Documentation Structure
ONBOARDING.md Template
# Welcome to [Team/Project Name]! 🎉
This guide will help you get set up and productive on your first day.
**Estimated completion time:** 2-3 hours
## Before You Start
### Access Checklist
- [ ] GitHub organization access
- [ ] Slack workspace invitation
- [ ] Email account setup
- [ ] VPN credentials (if remote)
- [ ] Cloud console access (AWS/GCP/Azure)
- [ ] CI/CD dashboard access
- [ ] Project management tool (Jira/Linear)
### Tools to Install
- [ ] Node.js 20+ (via [Volta](https://volta.sh/))
- [ ] pnpm 8+
- [ ] Docker Desktop
- [ ] PostgreSQL 15+
- [ ] VS Code or preferred editor
- [ ] Git configured with your work email
## Day 1: Environment Setup
### Step 1: Clone Repository (5 min)
```bash
git clone [email protected]:company/project-name.git
cd project-name
```
Why: Get the codebase on your machine
Troubleshooting:
- SSH key not working? See GitHub SSH setup
- Permission denied? Ask your manager to verify GitHub access
Step 2: Install Dependencies (10 min)
# Install Volta (Node version manager)
curl https://get.volta.sh | bash
# Install dependencies
pnpm install
Expected output: "Dependencies installed successfully"
Troubleshooting:
pnpm not found? Restart terminal or runvolta install pnpm- Installation hangs? Check VPN connection
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 · 557 lines · 64 tokens per session scan E 51d14b33a013
dev-onboarding-builder is a skill published in the GitHub repository patricio0312rev/skills (60 stars, last pushed 8mo ago), licensed MIT. It adds 64 tokens to every session and 3,484 once invoked, about $0.0003 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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