prd-workflow

prd-workflow is a skill for Claude Code, Codex from NickPolyder/NP.CoPilot.Config. It costs 45 tokens per session (1,251 once invoked), scanned A, original, MIT.

A gated product-development workflow that researches a codebase, writes design and task documents, and then guides implementation. Each phase requires approval before the next begins.

In plain words
What is it for?
Researching a feature, producing design.md and tasks.md, and implementing the approved work.
Why use it?
It gives feature work a documented sequence and prevents implementation from starting before the design and tasks are approved.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Researching a feature, producing design.md and tasks.md, and implementing the approved work.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/nickpolyder/np.copilot.config/prd-workflow
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 NickPolyder/NP.CoPilot.Config --skill prd-workflow
Clone the repo
git clone --depth 1 https://github.com/NickPolyder/NP.CoPilot.Config

Made for: Claude Code, Codex.

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 prd-workflow

README.md
[![agentmods](https://agentmods.dev/badge/skills/nickpolyder/np.copilot.config/prd-workflow/github.svg)](https://agentmods.dev/skills/nickpolyder/np.copilot.config/prd-workflow)
Your own site
<a href="https://agentmods.dev/skills/nickpolyder/np.copilot.config/prd-workflow"><img src="https://agentmods.dev/badge/skills/nickpolyder/np.copilot.config/prd-workflow/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 prd-workflow

Your own site · 80×15
<a href="https://agentmods.dev/skills/nickpolyder/np.copilot.config/prd-workflow"><img src="https://agentmods.dev/badge/skills/nickpolyder/np.copilot.config/prd-workflow.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,251 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 $0.00045 $0.01251
Opus 5.5 $0.00018 $0.00500
Sonnet 5.5 $0.00009 $0.00250
Haiku 4.5 $0.00005 $0.00125

Measured 1mo ago against content hash 829b8a1541d1, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

prd-workflow 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.

skills/prd-workflow/SKILL.md · 130 lines

How it starts

The opening of the file, as written. The whole thing — 130 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Purpose

Shared policy: Follow instructions/coordination.instructions.md for precedence, invocation, delegation, and handoffs. Apply instructions/workflow.instructions.md for proportional work and verification.

This skill is a thin orchestrator. It owns the end-to-end design-first flow and the approval gates between phases, but delegates each phase's detailed procedure to a dedicated atomic skill:

  • codebase-research — read-only investigation producing a grounded research summary.
  • feature-design-doc — design.md grounded in that research.
  • task-breakdown — tasks.md derived from the design.
  • implementation-runner — code + tests executed in task order.

For single-phase needs, invoke those skills directly. Use this orchestrator when you intend to plan and implement a feature end-to-end.


When to use this skill

Use this skill whenever:

  • A new feature or project needs end-to-end planning and implementation.
  • The user asks to "build", "create", or "develop" something from scratch.
  • The user wants a structured design-first workflow rather than ad-hoc coding.

Do not use this skill for:

  • Quick bug fixes or small tweaks — just code those directly.
  • Pure exploration or research — invoke codebase-research directly.
  • Modifying existing design/task documents — edit them directly.

Choosing between prd-workflow and feature-planning: Use prd-workflow when you intend to plan AND implement a feature end-to-end. Use feature-planning when you need a comprehensive plan document only — no implementation.

Boundary: This workflow sequences only its four phase skills. Return deep test/security needs as recommendations for separate work. Finish this entry workflow's own state before any git-commit-review, test-strategy, or security-audit handoff; a completed phase does not by itself end this workflow or waive another workflow's approval gates.


Workflow

Execute these phases in strict order, delegating each to its atomic skill. Do not advance to the next phase without user approval.

Read the full file on GitHub · 130 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. 1mo ago Changed · -7 lines 829b8a1541d1
  2. 1mo ago First seen · 137 lines · 45 tokens per session scan A 6b29fd3c2644

Subscribe to this mod's changes

prd-workflow is a skill published in the GitHub repository NickPolyder/NP.CoPilot.Config (2 stars, last pushed 1mo ago), licensed MIT. It adds 45 tokens to every session and 1,251 once invoked, about $0.0002 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 2026-08-31.

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