onboard-new-developer

onboard-new-developer is a skill for Claude Code from blockmatic/basilic. It costs 31 tokens per session (294 once invoked), scanned A, original, MIT.

A developer-onboarding workflow for helping a new developer get started with a project.

In plain words
What is it for?
Use it to organise the steps and information needed to bring a new developer up to speed.
Why use it?
It reduces the time a newcomer spends figuring out the codebase, tools, and starting process alone.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter. Also seen: installed under .agents/ (shared by several agents); mentions AGENTS.md.

Good fit Use it to organise the steps and information needed to bring a new developer up to speed.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/blockmatic/basilic/onboard-new-developer
Install

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.

Any agent
npx skills add blockmatic/basilic --skill onboard-new-developer
Clone the repo
git clone --depth 1 https://github.com/blockmatic/basilic

Made for: Claude Code.

Wrote 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.

agentmods badge for onboard-new-developer

README.md
[![agentmods](https://agentmods.dev/badge/skills/blockmatic/basilic/onboard-new-developer.svg)](https://agentmods.dev/skills/blockmatic/basilic/onboard-new-developer)
Your own site
<a href="https://agentmods.dev/skills/blockmatic/basilic/onboard-new-developer"><img src="https://agentmods.dev/badge/skills/blockmatic/basilic/onboard-new-developer.svg" alt="Measured on agentmods" height="20"></a>
Per session 31 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 294 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

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.

ModelPer sessionOnce invoked
Fable 5.1 $0.00031 $0.00294
Opus 5 $0.00015 $0.00147
Sonnet 5 $0.00006 $0.00059
Haiku 4.5 $0.00003 $0.00029

Measured 2d ago against content hash 7ae49e5abdd9, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

onboard-new-developer 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 2d 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.

.agents/skills/workflow/onboard-new-developer/SKILL.md · 24 lines

What it actually says

Purpose

Comprehensive onboarding process to get new developer up and running quickly.

Steps

  1. Environment setup: Install required tools, set up development environment, configure IDE/extensions, set up git/SSH keys
  2. Clone and setup: Run pnpm setup at repo root
  3. Decide context: Local only, or remote VPC? See the development-environments page from the technical docs path in AGENTS.md.
  4. Run web/API: pnpm dev (API + Next.js)
  5. Run mobile (optional): pnpm --filter @repo/mobile start (or start:localhost / start:tunnel for remote). See the development-environments page from the technical docs path in AGENTS.md.
  6. Verify: Simulator/device can load the app and reach the API
  7. Project familiarization: Review project structure, architecture, and key docs; set up the local database; verify tests pass. Point at /git-create-pr when they are ready. Do not open a PR unless asked.

Completion

Read completion evidence before reporting completion.

Changes

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.

  1. 2d ago Changed · +5 lines 7ae49e5abdd9
  2. 3d ago Changed · +2 lines 42f10e7082f0
  3. 4d ago First seen · 17 lines · 31 tokens per session scan A 28ff801c5612

Subscribe to this mod's changes

onboard-new-developer is a skill published in the GitHub repository blockmatic/basilic (89 stars, last pushed yesterday), licensed MIT. It adds 31 tokens to every session and 294 once invoked, about $0.0002 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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