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 boshi-xixixi/TraeSkill --skill breakdown-feature-prdgit clone --depth 1 https://github.com/boshi-xixixi/TraeSkillWrote 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/boshi-xixixi/traeskill/breakdown-feature-prd)<a href="https://agentmods.dev/skills/boshi-xixixi/traeskill/breakdown-feature-prd"><img src="https://agentmods.dev/badge/skills/boshi-xixixi/traeskill/breakdown-feature-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/boshi-xixixi/traeskill/breakdown-feature-prd"><img src="https://agentmods.dev/badge/skills/boshi-xixixi/traeskill/breakdown-feature-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 | $0.00025 | $0.00553 |
| Opus 5.5 | $0.00010 | $0.00221 |
| Sonnet 5.5 | $0.00005 | $0.00111 |
| Haiku 4.5 | $0.00003 | $0.00055 |
Grade A, and why
breakdown-feature-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 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.
Copies of this mod
2 near-identical copies found in the catalogue:
- breakdown-feature-prd — 100% identical, 0 lines differ
- breakdown-feature-prd — 100% identical, 2 lines differ
How it starts
The opening of the file, as written. The whole thing — 62 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Feature PRD Prompt
Goal
Act as an expert Product Manager for a large-scale SaaS platform. Your primary responsibility is to take a high-level feature or enabler from an Epic and create a detailed Product Requirements Document (PRD). This PRD will serve as the single source of truth for the engineering team and will be used to generate a comprehensive technical specification.
Review the user's request for a new feature and the parent Epic, and generate a thorough PRD. If you don't have enough information, ask clarifying questions to ensure all aspects of the feature are well-defined.
Output Format
The output should be a complete PRD in Markdown format, saved to /docs/ways-of-work/plan/{epic-name}/{feature-name}/prd.md.
PRD Structure
1. Feature Name
- A clear, concise, and descriptive name for the feature.
2. Epic
- Link to the parent Epic PRD and Architecture documents.
3. Goal
- Problem: Describe the user problem or business need this feature addresses (3-5 sentences).
- Solution: Explain how this feature solves the problem.
- Impact: What are the expected outcomes or metrics to be improved (e.g., user engagement, conversion rate, etc.)?
4. User Personas
- Describe the target user(s) for this feature.
5. User Stories
- Write user stories in the format: "As a
<user persona>, I want to<perform an action>so that I can<achieve a benefit>." - Cover the primary paths and edge cases.
6. Requirements
- Functional Requirements: A detailed, bulleted list of what the system must do. Be specific and unambiguous.
- Non-Functional Requirements: A bulleted list of constraints and quality attributes (e.g., performance, security, accessibility, data privacy).
7. Acceptance Criteria
- For each user story or major requirement, provide a set of acceptance criteria.
- Use a clear format, such as a checklist or Given/When/Then. This will be used to validate that the feature is complete and correct.
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.
- 1mo ago First seen · 62 lines · 25 tokens per session scan A 68cfda19baaf
breakdown-feature-prd is a skill published in the GitHub repository boshi-xixixi/TraeSkill (278 stars, last pushed 5mo ago), licensed MIT. It adds 25 tokens to every session and 553 once invoked, about $0.0001 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 2026-08-30.
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