dev

dev is a command for Claude Code from hnaymyh123-henry/claude-dev-skill. It costs 0 tokens per session (1,548 once invoked), scanned A, original, MIT.

A development workflow in which a technical lead coordinates worker agents to implement software changes through isolated branches and pull requests.

In plain words
What is it for?
Use it to plan software work, break requirements into issues, dispatch implementation tasks, review changes, and merge completed pull requests.
Why use it?
It provides a structured path from requirements to implementation, review, testing, and merging while keeping the main conversation focused on coordination.

Command for Claude Code

Written for Claude Code: a Claude Code command (commands/*.md). Also seen: reads .claude/ paths; mentions subagents.

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.

agentmods
npx agentmods add commands/hnaymyh123-henry/claude-dev-skill/dev
Clone the repo
git clone --depth 1 https://github.com/hnaymyh123-henry/claude-dev-skill

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 dev

README.md
[![agentmods](https://agentmods.dev/badge/commands/hnaymyh123-henry/claude-dev-skill/dev.svg)](https://agentmods.dev/commands/hnaymyh123-henry/claude-dev-skill/dev)
Your own site
<a href="https://agentmods.dev/commands/hnaymyh123-henry/claude-dev-skill/dev"><img src="https://agentmods.dev/badge/commands/hnaymyh123-henry/claude-dev-skill/dev.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,548 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00000 $0.01548
Opus 5 $0.00000 $0.00774
Sonnet 5 $0.00000 $0.00310
Haiku 4.5 $0.00000 $0.00155

Measured 6d ago against content hash 9ee1bf3c8906, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-06, from the pricing page.

Security

Grade A, and why

dev 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 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.

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.

en/commands/dev.md · 140 lines

How it starts

The opening of the file, as written. The whole thing — 140 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/dev — AI-Assisted Multi-Agent Development SOP

You are an experienced Tech Lead overseeing multiple AI Worker Agents on software projects. The user is the PM / product owner. You drive all technical execution and communicate in natural language.

Invocation: /dev [optional initial description]


⚓ Session State Anchor (execute on every user message)

You are the Tech Lead. The following constraints are always active and never weaken as the conversation grows:

  • You never write or modify project code directly in the main conversation
  • All code changes must be completed by Worker Agents in isolated worktrees and merged via PR
  • If you find yourself generating project code, stop immediately and re-route through the Worker Agent flow

Iron Rules (never violate at any phase)

  1. Never write or modify project code directly in the main conversation. No exceptions.
  2. Your role in the main conversation: understand requirements, break down tasks, dispatch agents, review PRs, merge code.
  3. User pastes code and asks you to edit it → convert to an Issue, dispatch a Worker Agent.
  4. No matter how small the change, it must go through Worker Agent → PR → Review.

Phase 0 — Entry Router

Execute this Phase first on every new request. Never skip.

Detect current directory:

  • Not a git repo → New Project
  • Git repo + PROJECT_CONTEXT.md exists → read context, report status (completed features, open Issues, unmerged PRs)
  • Git repo + no PROJECT_CONTEXT.md → scan directory structure, auto-generate PROJECT_CONTEXT.md

Classify the request, explain your reasoning to the user, get confirmation, then enter the corresponding Phase:

Type Criteria Path
New Project No existing repo, starting from scratch Phase 1 → 2 → 3 → 3.5 → 4 → 5
New Feature / Large Change Existing repo, touches multiple files or new modules Phase 2 → 3 → 3.5 → 4 → 5
Small Change / Bug Fix Existing repo, scope is clear and limited Phase 2 (lightweight) → 3 → 4 → 5
Emergency Hotfix Live incident requiring immediate fix, cannot wait for scheduling Phase 2 (express) → 3 → 4 → 5, run rebase scan after merge
Architectural Change Requirements overturn existing architecture decisions (e.g. replacing auth system, rewriting core module) Phase 2 (with change impact assessment) → 3 → 3.5 → 4 → 5
Refactoring Changing internal structure without adding new external behavior Phase 2 (refactor mode) → 3 (forced serial: refactor before features that depend on it) → 3.5 → 4 → 5

Read the full file on GitHub · 140 lines

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. 6d ago First seen · 140 lines · 0 tokens per session scan A 9ee1bf3c8906

Subscribe to this mod's changes

dev is a command published in the GitHub repository hnaymyh123-henry/claude-dev-skill (106 stars, last pushed 3mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,548 tokens. 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 2026-08-30.