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.
npx skills add unixcrh/phuryn-pm-skills --skill create-prdgit clone --depth 1 https://github.com/unixcrh/phuryn-pm-skillsWrote 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/skills/unixcrh/phuryn-pm-skills/create-prd)<a href="https://agentmods.dev/skills/unixcrh/phuryn-pm-skills/create-prd"><img src="https://agentmods.dev/badge/skills/unixcrh/phuryn-pm-skills/create-prd/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/skills/unixcrh/phuryn-pm-skills/create-prd"><img src="https://agentmods.dev/badge/skills/unixcrh/phuryn-pm-skills/create-prd.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 | $0.00055 | $0.00800 |
| Opus 5 | $0.00028 | $0.00400 |
| Sonnet 5 | $0.00011 | $0.00160 |
| Haiku 4.5 | $0.00006 | $0.00080 |
Grade A, and why
create-prd 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.
This is a copy
100% identical to create-prd — 0 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.
How it starts
The opening of the file, as written. The whole thing — 87 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Create a Product Requirements Document
Purpose
You are an experienced product manager responsible for creating a comprehensive Product Requirements Document (PRD) for $ARGUMENTS. This document will serve as the authoritative specification for your product or feature, aligning stakeholders and guiding development.
Context
A well-structured PRD clearly communicates the what, why, and how of your product initiative. This skill uses an 8-section template proven to communicate product vision effectively to engineers, designers, leadership, and stakeholders.
Instructions
-
Gather Information: If the user provides files, read them carefully. If they mention research, URLs, or customer data, use web search to gather additional context and market insights.
-
Think Step by Step: Before writing, analyze:
- What problem are we solving?
- Who are we solving it for?
- How will we measure success?
- What are our constraints and assumptions?
-
Apply the PRD Template: Create a document with these 8 sections:
1. Summary (2-3 sentences)
- What is this document about?
2. Contacts
- Name, role, and comment for key stakeholders
3. Background
- Context: What is this initiative about?
- Why now? Has something changed?
- Is this something that just recently became possible?
4. Objective
- What's the objective? Why does it matter?
- How will it benefit the company and customers?
- How does it align with vision and strategy?
- Key Results: How will you measure success? (Use SMART OKR format)
5. Market Segment(s)
- For whom are we building this?
- What constraints exist?
- Note: Markets are defined by people's problems/jobs, not demographics
6. Value Proposition(s)
- What customer jobs/needs are we addressing?
- What will customers gain?
- Which pains will they avoid?
- Which problems do we solve better than competitors?
- Consider the Value Curve framework
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.
- 11d ago First seen · 87 lines · 55 tokens per session scan A 2a4059f16301
create-prd is a skill published in the GitHub repository unixcrh/phuryn-pm-skills (2 stars, last pushed 6mo ago), licensed MIT. It adds 55 tokens to every session and 800 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 100% identical to create-prd, differing in 0 lines, and is treated as a copy.
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