prp: Skill for Claude Code

.agents/skills/prp-meta-skill/SKILL.md

prp-meta-skill is a skill for Claude Code, Codex from Wirasm/prp. It costs 80 tokens per session (1,579 once invoked), scanned A, original, MIT.

A set of instructions for creating, revising, and combining agent skills in a structured way. It covers writing new skills, moving detail into reference files, and removing duplicated workflows.

In plain words
What is it for?
Use it to author a skill, shorten an oversized SKILL.md, split supporting material into references, or merge overlapping skills.
Why use it?
It helps keep skills focused, reusable, and easier to maintain as they grow. It also provides checks for clear triggers, organization, references, and validation.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one. Also seen: installed under .agents/ (shared by several agents); $skill-name invocation.

This is Wirasm/prp's own configuration. It tells Claude Code and Codex how to work on prp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything prp configures →

View source ↗ Wirasm/prp
About the project

PRP is a collection of prompts and workflows for AI-assisted software development with Claude Code. Its Product Requirement Prompts combine product requirements, selected codebase context, and an execution runbook so a coding agent can implement a vertical slice of software. The catalogue entries are the project’s own skills, agents, instructions, hook, and plugin workflows.

Wirasm/prp · 2,264 stars · on GitHub

Reuse

Borrowing it

Nothing to install: this file belongs to Wirasm/prp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Wirasm/prp/development/.agents/skills/prp-meta-skill/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/Wirasm/prp

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 prp-meta-skill

README.md
[![agentmods](https://agentmods.dev/badge/skills/wirasm/prp/prp-meta-skill/github.svg)](https://agentmods.dev/skills/wirasm/prp/prp-meta-skill)
Your own site
<a href="https://agentmods.dev/skills/wirasm/prp/prp-meta-skill"><img src="https://agentmods.dev/badge/skills/wirasm/prp/prp-meta-skill/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 prp-meta-skill

Your own site · 80×15
<a href="https://agentmods.dev/skills/wirasm/prp/prp-meta-skill"><img src="https://agentmods.dev/badge/skills/wirasm/prp/prp-meta-skill.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 80 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,579 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. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
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 $0.00080 $0.01579
Opus 5.5 $0.00032 $0.00632
Sonnet 5.5 $0.00016 $0.00316
Haiku 4.5 $0.00008 $0.00158

Measured 1mo ago against content hash 3f8c007fde46, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

prp-meta-skill 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.

.agents/skills/prp-meta-skill/SKILL.md · 78 lines

How it starts

The opening of the file, as written. The whole thing — 78 lines — stays where its author put it; the contents beside it link to each section on GitHub.

PRP Meta-Skill — Author, Refactor & Consolidate Skills

A PRP-style runbook for three jobs:

  • Create a new skill from scratch (or from an existing command/prompt).
  • Refactor an existing skill — split detail into references/, move output formats into templates/, and trim SKILL.md to a lean spine of pointers.
  • Consolidate overlapping workflows — trace their contracts, choose one composition owner, reuse specialist skills, and retire duplicate paths without losing outcomes or human gates.

This skill is built the way it teaches: a lean body that defers detail to references/. Follow that example.

Prescribe the craft, not the content

This skill is opinionated about how to build a skill well and deliberately agnostic about what any given skill — or the artifact it produces — should contain.

  • Prescribe (firm, universal): progressive disclosure, third-person trigger-rich descriptions, imperative body, no-duplication, lean body, every reference wired, deliberate invocation control, validation that fits. See references/skill-standards.md.
  • Do NOT prescribe (per-project, the author's call): the sections a plan / PRD / report should contain, what a project's template looks like, which phases exist, the domain vocabulary. There is no canonical output shape — guide the author to a good decision, never hand them a fixed one.

Restrictions are not rigidity: be strict on the craft so the author stays free on the content.

The PRP lens — applied to the skill type

Classify the skill first (workflow / artifact-generator / knowledge-reference / tool-wrapper — see references/skill-standards.md → Skill types), then apply only the principles that fit:

  1. Context is King — give the agent ALL the context it needs (patterns, gotchas, schemas, examples) via whichever source fits: inline, bundled and disclosed on demand, pointed to by file path or URL, or gathered from the user at runtime. Curate it — don't dump it. (references/skill-standards.md → Context sources.)
  2. Validation that fits — workflow skills ship verifiable gates, and prefer an external, authoritative check (exit code, file presence) over the agent's own "done" sentinel. A knowledge/reference skill has nothing to validate — don't bolt a loop onto it.
  3. Information dense — real trigger phrases, real examples, real file:line. No filler, no restating what the model already knows.
  4. Progressive success — ship the smallest complete SKILL.md that triggers correctly first, validate, then enrich with references. Don't build all the references before the spine works.

Read the full file on GitHub · 78 lines

Files

What ships with it

7 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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 First seen · 78 lines · 80 tokens per session scan A 3f8c007fde46

Subscribe to this mod's changes

prp-meta-skill is a skill published in the GitHub repository Wirasm/prp (2,264 stars, last pushed 18d ago), licensed MIT. It adds 80 tokens to every session and 1,579 once invoked, about $0.0003 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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