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dev-specialisms:init-local-tooling

dev-specialisms:init-local-tooling is a skill for Claude Code from aaronbassett/agent-foundry. It costs 143 tokens per session (3,405 once invoked), scanned A, original, MIT.

A setup guide for the everyday tools used to check, format, test, and publish TypeScript, Rust, and Python projects, including monorepos (repositories containing several related projects).

In plain words
What is it for?
Use it to set up linting, formatting, type checking, tests, Git hooks, CI/CD, package publishing, version changes, and changelogs.
Why use it?
It removes the need to configure these tools one by one and helps keep checks consistent across local work and automated builds.

Skill for Claude Code

Written for Claude Code: shipped in a Claude Code plugin.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is ./scripts/init_monorepo.sh.

Part of the dev-specialisms plugin — 3 skills, 1 plugin shipped together

not rated 4repo 23d ago A scan 143 tokens original MIT

Good fit Use it to set up linting, formatting, type checking, tests, Git hooks, CI/CD, package publishing, version changes, and changelogs.

Compare 6 skills from other repositories ↓
View source ↗ aaronbassett/agent-foundry
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/aaronbassett/agent-foundry
agentmods
npx agentmods add skills/aaronbassett/agent-foundry/init-local-tooling

Made for: Claude Code.

Or install dev-specialisms, the plugin that ships this one along with the rest of its 3 skills, 1 plugin.

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 dev-specialisms:init-local-tooling

README.md
[![agentmods](https://agentmods.dev/badge/skills/aaronbassett/agent-foundry/init-local-tooling/github.svg)](https://agentmods.dev/skills/aaronbassett/agent-foundry/init-local-tooling)
Your own site
<a href="https://agentmods.dev/skills/aaronbassett/agent-foundry/init-local-tooling"><img src="https://agentmods.dev/badge/skills/aaronbassett/agent-foundry/init-local-tooling/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.

agentmods 80×15 button for dev-specialisms:init-local-tooling

Your own site · 80×15
<a href="https://agentmods.dev/skills/aaronbassett/agent-foundry/init-local-tooling"><img src="https://agentmods.dev/badge/skills/aaronbassett/agent-foundry/init-local-tooling.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 143 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 3,405 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.
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 $0.00143 $0.03405
Opus 5 $0.00072 $0.01702
Sonnet 5 $0.00029 $0.00681
Haiku 4.5 $0.00014 $0.00341

Measured 8d ago against content hash cba41f2c80c6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

dev-specialisms:init-local-tooling 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.

The scan reads SKILL.md. This mod also ships 6 executable files (assets/configs/git-hooks/commitlint.config.js, assets/configs/typescript/eslint.config.js, scripts/init_typescript.sh, …), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

plugins/dev-specialisms/skills/init-local-tooling/SKILL.md · 577 lines

How it starts

The opening of the file, as written. The whole thing — 577 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Local Tooling Initialization

Comprehensive setup for linting, formatting, type checking, testing, Git hooks, CI/CD, and publishing across TypeScript, Rust, and Python projects.

When to Use This Skill

Use this skill when you need to:

  • Initialize tooling for a new TypeScript/Rust/Python project
  • Set up monorepo with Nx + pnpm workspaces
  • Configure Git hooks with lefthook (conventional commits, pre-commit, pre-push)
  • Add GitHub Actions for CI/CD
  • Set up automated publishing to npm/crates.io/PyPI
  • Configure version bumping and changelog generation with Changesets
  • Migrate from Husky to lefthook
  • Choose between ESLint+Prettier vs Biome for TypeScript

Quick Start

TypeScript Project

Automated setup:

./scripts/init_typescript.sh

Choose tooling:

  • Biome (recommended) - Fast, all-in-one, modern
  • ESLint + Prettier - Traditional, highly configurable

What you get:

  • Linting and formatting
  • TypeScript strict mode
  • Vitest for testing
  • Package.json scripts

→ See: references/typescript.md

Rust Project

Manual setup (opinionated configs in assets/):

# Tools come with Rust
rustup component add rustfmt clippy

# Optional: Enhanced tooling
brew install cargo-nextest cargo-deny

# Copy configs from assets/configs/rust/
cp assets/configs/rust/rustfmt.toml .
cp assets/configs/rust/clippy.toml .

→ See: references/rust.md

Python Project

Using uv (recommended):

# Install uv
brew install uv

# Create project
uv init my-project
cd my-project

# Add dev dependencies
uv add --dev ruff mypy pytest

# Copy config from assets/
cp assets/configs/python/pyproject.toml .

→ See: references/python.md

Monorepo Setup

Create Nx + pnpm monorepo:

./scripts/init_monorepo.sh

Or manually:

npx create-nx-workspace@latest my-monorepo
# Choose: pnpm + integrated monorepo

→ See: references/monorepo.md

Read the full file on GitHub · 577 lines

Files

What ships with it

30 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 8d ago First seen · 577 lines · 143 tokens per session scan A cba41f2c80c6

Subscribe to this mod's changes

dev-specialisms:init-local-tooling is a skill published in the GitHub repository aaronbassett/agent-foundry (4 stars, last pushed 23d ago), licensed MIT. It adds 143 tokens to every session and 3,405 once invoked, about $0.0007 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 2026-08-31.

DevOps and cloudLanguagesRustTypeScript
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