story

story is a skill for Claude Code from nicodiansk/turbocharge. It costs 37 tokens per session (990 once invoked), scanned A, original, MIT.

A requirements-to-user-stories guide that turns product descriptions into small pieces of work with checks for deciding when each piece is finished. It uses INVEST, a checklist for making stories independent, discussable, useful, estimable, small, and testable.

In plain words
What is it for?
Use it to break down product requirements, PRDs (product requirement documents), feature descriptions, and large epics into implementable work.
Why use it?
It prevents developers from starting with vague requirements or assuming that “done” is obvious. Each story must have acceptance criteria that can be checked.

Skill for Claude Code

Written for Claude Code: argument-hint in frontmatter.

Part of the turbocharge plugin — 9 skills, 5 agents, 1 hook shipped together

Good fit Use it to break down product requirements, PRDs (product requirement documents), feature descriptions, and large epics into implementable work.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/nicodiansk/turbocharge/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 nicodiansk/turbocharge --skill story
Clone the repo
git clone --depth 1 https://github.com/nicodiansk/turbocharge

Made for: Claude Code.

Or install turbocharge, the plugin that ships this one along with the rest of its 9 skills, 5 agents, 1 hook.

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 story

README.md
[![agentmods](https://agentmods.dev/badge/skills/nicodiansk/turbocharge/story/github.svg)](https://agentmods.dev/skills/nicodiansk/turbocharge/story)
Your own site
<a href="https://agentmods.dev/skills/nicodiansk/turbocharge/story"><img src="https://agentmods.dev/badge/skills/nicodiansk/turbocharge/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 story

Your own site · 80×15
<a href="https://agentmods.dev/skills/nicodiansk/turbocharge/story"><img src="https://agentmods.dev/badge/skills/nicodiansk/turbocharge/story.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 990 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 $0.00037 $0.00990
Opus 5 $0.00018 $0.00495
Sonnet 5 $0.00007 $0.00198
Haiku 4.5 $0.00004 $0.00099

Measured 11d ago against content hash 5070906acfac, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

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 11d 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.

skills/story/SKILL.md · 158 lines

How it starts

The opening of the file, as written. The whole thing — 158 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Story Breakdown

Transform requirements into INVEST-compliant user stories with testable acceptance criteria.

Announce: "Using story breakdown to create implementable stories."

The Iron Law

NO STORY WITHOUT ACCEPTANCE CRITERIA

Every story must have testable acceptance criteria before implementation.

No exceptions:

  • Don't start work without criteria
  • Don't assume "obvious" criteria
  • Don't defer criteria to "later"
  • Later never comes

INVEST Criteria

Every story MUST pass:

Criterion Question Failure Symptom
Independent Can this ship without other stories? "We need to do X first"
Negotiable Can scope be discussed? "It has to be exactly this"
Valuable Does user/business care? "It's technical debt"
Estimable Can team size it? "No idea how long"
Small Fits in one iteration? "It's a 2-week story"
Testable Can we verify done? "We'll know when we see it"

Failing any criterion = story needs work.

Epic Template

# Epic: [Name]

## Problem Statement
[What problem does this solve? Who has this problem?]

## Success Metrics
- [Measurable outcome 1]
- [Measurable outcome 2]

## Scope
### In Scope
- [Feature/capability]

### Out of Scope
- [Explicitly excluded]

## Stories
1. [Story 1 title]
2. [Story 2 title]

## Dependencies
- [External dependencies]

## Risks
- [Risk]: [Mitigation]

Story Template

# Story: [Title]

**As a** [role/persona],
**I want** [capability/feature],
**So that** [benefit/value].

## Acceptance Criteria

### Criterion 1: [Name]
**Given** [precondition]
**When** [action]
**Then** [expected result]

### Criterion 2: [Name]
**Given** [precondition]
**When** [action]
**Then** [expected result]

## Technical Notes
- [Implementation consideration]

## Story Points: [1/2/3/5/8]

Breakdown Process

Phase 1: Understand the Epic

  1. Identify the user/persona
  2. State the core problem
  3. Define success metrics
  4. List what's explicitly OUT of scope

Read the full file on GitHub · 158 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. 11d ago First seen · 158 lines · 37 tokens per session scan A 5070906acfac

Subscribe to this mod's changes

story is a skill published in the GitHub repository nicodiansk/turbocharge (2 stars, last pushed 1mo ago), licensed MIT. It adds 37 tokens to every session and 990 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 2026-08-31.

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