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 agentmods add commands/phuryn/pm-skills/write-prdgit clone --depth 1 https://github.com/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/commands/phuryn/pm-skills/write-prd)<a href="https://agentmods.dev/commands/phuryn/pm-skills/write-prd"><img src="https://agentmods.dev/badge/commands/phuryn/pm-skills/write-prd.svg" alt="Measured on agentmods" 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 | $0.00013 | $0.00933 |
| Opus 5 | $0.00006 | $0.00466 |
| Sonnet 5 | $0.00003 | $0.00187 |
| Haiku 4.5 | $0.00001 | $0.00093 |
Grade A, and why
write-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 4d 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.
Copies of this mod
1 near-identical copy found in the catalogue:
- write-prd — 100% identical, 0 lines differ
How it starts
The opening of the file, as written. The whole thing — 119 lines — stays where its author put it; the contents beside it link to each section on GitHub.
/write-prd -- Product Requirements Document
Create a structured PRD that aligns stakeholders and guides development. Accepts anything from a vague idea to a detailed brief.
Invocation
/write-prd SSO support for enterprise customers
/write-prd Users are dropping off during onboarding — we need to fix step 3
/write-prd [upload a brief, research doc, or strategy deck]
Workflow
Step 1: Understand the Feature
Accept the input in any form:
- A feature name ("SSO support")
- A problem statement ("Enterprise customers keep asking for centralized auth")
- A user request ("Users want to export their data as CSV")
- A vague idea ("We should do something about onboarding drop-off")
- An uploaded document (brief, research, Slack thread, email)
Step 2: Gather Context
Ask conversationally — most important questions first, fill gaps as you go:
- User problem: What problem does this solve? Who experiences it? How painful is it?
- Target users: Which user segment(s)? How many? What's their current workaround?
- Success metrics: How will we know this worked? What moves if we nail it?
- Constraints: Technical constraints, timeline, regulatory, dependencies on other teams?
- Prior art: Has this been attempted before? Existing solutions in the market?
- Scope preference: Full solution or phased approach?
If the user provides a document with context, extract what's available and only ask about gaps.
Step 3: Generate the PRD
Apply the create-prd skill to produce an 8-section document:
## Product Requirements Document: [Feature Name]
**Author**: [user]
**Date**: [today]
**Status**: Draft
**Stakeholders**: [if known]
### 1. Executive Summary
[2-3 sentences: what, for whom, why now]
### 2. Background & Context
[Problem space, prior research, market context, what prompted this]
### 3. Objectives & Success Metrics
**Goals** (what success looks like):
1. [Specific, measurable goal]
2. [...]
**Non-Goals** (explicitly out of scope):
1. [What we're not doing, and why]
2. [...]
**Success Metrics**:
| Metric | Current | Target | Measurement |
|--------|---------|--------|-------------|
### 4. Target Users & Segments
[Who this serves, user profiles, segment sizing]
### 5. User Stories & Requirements
**P0 — Must Have**:
| # | User Story | Acceptance Criteria |
|---|-----------|-------------------|
**P1 — Should Have**:
| # | User Story | Acceptance Criteria |
|---|-----------|-------------------|
**P2 — Nice to Have / Future**:
| # | User Story | Acceptance Criteria |
|---|-----------|-------------------|
### 6. Solution Overview
[High-level approach, key design decisions, technical approach if known]
### 7. Open Questions
| Question | Owner | Deadline |
|----------|-------|----------|
### 8. Timeline & Phasing
[Milestones, dependencies, phasing if applicable]
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.
- 4d ago First seen · 119 lines · 13 tokens per session scan A 7c7a1646905e
write-prd is a command published in the GitHub repository phuryn/pm-skills (25,964 stars, last pushed 2mo ago), licensed MIT. It adds 13 tokens to every session and 933 once invoked, about $0.0001 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 2026-08-30.
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