dev-story

dev-story is a skill for Claude Code from cenconq25/claude-code-app-studio. It costs 58 tokens per session (2,874 once invoked), scanned A, original, MIT.

An end-to-end workflow for turning a ready story—a written feature or task description—into working mobile code and tests.

In plain words
What is it for?
It implements a selected story, routes it to the appropriate mobile framework specialist, and adds tests for the result.
Why use it?
It gathers the requirements, technical decisions, project rules, and framework guidance an agent needs before implementation.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: model in frontmatter; mentions subagents; names the AskUserQuestion tool.

Good fit It implements a selected story, routes it to the appropriate mobile framework specialist, and adds tests for the result.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/cenconq25/claude-code-app-studio/dev-story
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 cenconq25/claude-code-app-studio --skill dev-story
Clone the repo
git clone --depth 1 https://github.com/cenconq25/claude-code-app-studio

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-story

README.md
[![agentmods](https://agentmods.dev/badge/skills/cenconq25/claude-code-app-studio/dev-story/github.svg)](https://agentmods.dev/skills/cenconq25/claude-code-app-studio/dev-story)
Your own site
<a href="https://agentmods.dev/skills/cenconq25/claude-code-app-studio/dev-story"><img src="https://agentmods.dev/badge/skills/cenconq25/claude-code-app-studio/dev-story/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-story

Your own site · 80×15
<a href="https://agentmods.dev/skills/cenconq25/claude-code-app-studio/dev-story"><img src="https://agentmods.dev/badge/skills/cenconq25/claude-code-app-studio/dev-story.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 58 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,874 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 $0.00058 $0.02874
Opus 5.5 $0.00023 $0.01150
Sonnet 5.5 $0.00012 $0.00575
Haiku 4.5 $0.00006 $0.00287

Measured 1mo ago against content hash 91d5a53c2afe, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

dev-story 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 1mo 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.

.claude/skills/dev-story/SKILL.md · 336 lines

How it starts

The opening of the file, as written. The whole thing — 336 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Dev Story

Turn a planned story into shipped code. This skill assembles every piece of context an implementing agent needs (story file, current PRD requirement, governing ADR, control manifest, framework conventions), routes the work to the right mobile specialist, and supervises implementation through to test.

Where this lives in the loop:

/qa-plan sprint               -> define test bars before sprint starts
/story-readiness [path]       -> green-light the story
/dev-story [path]             -> THIS skill — implement + test
/code-review [files]          -> review the diff
/story-done [path]            -> verify ACs and close

Output: new or modified files in src/, plus a test file in tests/.


Phase 1: Locate the Story

Resolve the story path:

  • If a path argument is supplied, read it directly.
  • If no argument, open production/session-state/active.md and look for a current story reference. Confirm with the user before proceeding.
  • If neither path is available, glob production/epics/**/story-*.md and list every story whose Status: is Ready. Ask the user to pick one.

If the story file does not exist, stop and tell the user to run /create-stories for the relevant epic.


Phase 2: Assemble Full Context

Before writing a single line of code, validate that every required input exists. These reads are independent — issue them in parallel.

Artifact Path Missing handling
TR registry docs/architecture/tr-registry.yaml STOP — tell the user to run /create-epics.
Governing ADR path from story ADR Governing Implementation: field STOP — tell the user to run /architecture-decision or fix the path.
Control manifest docs/architecture/control-manifest.md WARN — continue but note that layer rules are unchecked.
Framework prefs .claude/docs/technical-preferences.md WARN — framework routing falls back to "ask user".

Mark the story BLOCKED in session state and abort if the TR registry or governing ADR is missing.

Read the full file on GitHub · 336 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. 1mo ago First seen · 336 lines · 58 tokens per session scan A 91d5a53c2afe

Subscribe to this mod's changes

dev-story is a skill published in the GitHub repository cenconq25/claude-code-app-studio (42 stars, last pushed 5mo ago), licensed MIT. It adds 58 tokens to every session and 2,874 once invoked, about $0.0002 per session on Opus 5.5. 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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