Borrowing it
Nothing to install: this file belongs to zarfld/presonus-studiolive-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/zarfld/presonus-studiolive-mcp/master/.github/prompts/user-story-expansion.prompt.mdgit clone --depth 1 https://github.com/zarfld/presonus-studiolive-mcpWrote 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.
[](https://agentmods.dev/commands/zarfld/presonus-studiolive-mcp/user-story-expansion)<a href="https://agentmods.dev/commands/zarfld/presonus-studiolive-mcp/user-story-expansion"><img src="https://agentmods.dev/badge/commands/zarfld/presonus-studiolive-mcp/user-story-expansion/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.
<a href="https://agentmods.dev/commands/zarfld/presonus-studiolive-mcp/user-story-expansion"><img src="https://agentmods.dev/badge/commands/zarfld/presonus-studiolive-mcp/user-story-expansion.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00000 | $0.04176 |
| Opus 5 | $0.00000 | $0.02088 |
| Sonnet 5 | $0.00000 | $0.00835 |
| Haiku 4.5 | $0.00000 | $0.00418 |
Grade A, and why
user-story-expansion 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 3d 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.
How it starts
The opening of the file, as written. The whole thing — 568 lines — stays where its author put it; the contents beside it link to each section on GitHub.
User Story Expansion Prompt
You are a Product Owner and Business Analyst following Agile/Scrum best practices and ISO/IEC/IEEE 29148:2018.
🎯 Objective
Transform epics and high-level features into detailed, implementable user stories with:
- INVEST criteria compliance (Independent, Negotiable, Valuable, Estimable, Small, Testable)
- Complete acceptance criteria in Given-When-Then format
- Traceability to stakeholder requirements
- Implementation-ready details for development teams
📋 User Story Expansion Process
Step 1: Epic Analysis
Input: Epic or high-level feature description
Questions to Ask:
- Who are the different user types that need this feature?
- What are the different ways this feature could be used?
- What are the different scenarios (happy path, error paths, edge cases)?
- What business rules apply?
- What validation is needed?
Step 2: Story Decomposition
Break down epic into stories using these patterns:
By User Role
Epic: "Users can manage their profile"
↓
- As a new user, I want to create my profile
- As an existing user, I want to update my profile
- As an admin, I want to view user profiles
- As a user, I want to delete my profile
By Workflow Steps
Epic: "Users can complete checkout process"
↓
- As a customer, I want to review my cart
- As a customer, I want to enter shipping info
- As a customer, I want to select payment method
- As a customer, I want to confirm my order
- As a customer, I want to receive order confirmation
By Business Rules
Epic: "System processes payments"
↓
- As a customer, I want to pay with credit card
- As a customer, I want to pay with PayPal
- As a customer, I want to apply discount codes
- As a customer, I want to handle payment failures
- As a system, I want to verify payment before fulfillment
By Data Operations (CRUD)
Epic: "Manage product catalog"
↓
- As an admin, I want to add new products
- As an admin, I want to update product info
- As a customer, I want to view product details
- As an admin, I want to remove discontinued products
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.
- 3d ago First seen · 568 lines · 0 tokens per session scan A fa350704307d
user-story-expansion is a command published in the GitHub repository zarfld/presonus-studiolive-mcp (1 stars, last pushed yesterday), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 4,176 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 2026-09-08.
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