prp: Agent for Claude Code

.claude/agents/code-simplifier.md

code-simplifier is an agent for Claude Code from Wirasm/prp. It costs 76 tokens per session (748 once invoked), scanned A, original, MIT.

A code-review helper that looks for unnecessary complexity in changed code. It checks whether data, ownership, shared state, and special cases could be handled with smaller existing structures.

In plain words
What is it for?
Use it after implementing a change or while reviewing a pull request to find duplicated data, scattered logic, unsafe shared state, and machinery that may not be needed.
Why use it?
It helps prevent short-term implementation choices from creating extra maintenance work and harder-to-change code.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter.

This is Wirasm/prp's own configuration. It tells Claude Code 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/.claude/agents/code-simplifier.md
Clone the repo
git clone --depth 1 https://github.com/Wirasm/prp

Made for: Claude Code.

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 code-simplifier

README.md
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Your own site
<a href="https://agentmods.dev/agents/wirasm/prp/code-simplifier"><img src="https://agentmods.dev/badge/agents/wirasm/prp/code-simplifier/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 code-simplifier

Your own site · 80×15
<a href="https://agentmods.dev/agents/wirasm/prp/code-simplifier"><img src="https://agentmods.dev/badge/agents/wirasm/prp/code-simplifier.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 76 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 748 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 $0.00076 $0.00748
Opus 5.5 $0.00030 $0.00299
Sonnet 5.5 $0.00015 $0.00150
Haiku 4.5 $0.00008 $0.00075

Measured 1mo ago against content hash 0f0103c9c0f5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

code-simplifier 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.

.claude/agents/code-simplifier.md · 67 lines

How it starts

The opening of the file, as written. The whole thing — 67 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Simplify Changed Code

Writing code is cheap; maintaining it and recovering option value are not. Review whether the change delivers its required outcome through the smallest coherent structure. Preserve meaningful invariants, supported behavior, and useful foundations—not accidental implementation shape.

Establish the contract

Start with the actual diff against its base. Establish the intended outcome and invariants from the request, PR, plan, changed files, tests, and direct consumers. Read beyond the diff only as needed to settle a concrete question. Existing code is evidence, not a mandate.

Test the structural decisions

Look first for decisions that add coordination or prematurely close options:

  • Data shape and ownership: Do core types match the dominant access paths? Is data copied, flattened, rebuilt, cached, or represented more than once when one owner could carry it?
  • Coherent capability: Does the change deepen one useful abstraction, or spread special-case coordination across callers, layers, and schemas?
  • Concurrency: If another actor changes shared state concurrently, is the answer safely “nothing”? If not, should the state be isolated instead of synchronized?
  • Foundations: Would one smaller primitive make the downstream logic obvious? Remove dead weight before adding scaffold; add scaffold early only when every later phase benefits from it.
  • Premature machinery: Which real supported variation requires each new state, lifecycle, wrapper, configuration surface, fallback, or extension point?

Apply the laziness test:

  • Prefer deletion and direct control flow before introducing helpers or abstractions.
  • Keep call paths flat enough that ownership and decisions remain easy to trace. A rich interface that hides substantial work is not itself a deep call chain.
  • Consolidate each decision behind one source of truth and pass the resolved result plainly.
  • Question new signals threaded through types, schemas, pipelines, or layers; look for the owner or primitive that already knows the answer.
  • Catch small pass-throughs, representation leaks, and duplicated choices before they become lasting coordination costs.
  • DRY shared structure and data models, not every repeated line. Explicit repetition can be simpler than a premature abstraction.

Read the full file on GitHub · 67 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 First seen · 67 lines · 76 tokens per session scan A 0f0103c9c0f5

Subscribe to this mod's changes

code-simplifier is an agent published in the GitHub repository Wirasm/prp (2,264 stars, last pushed 18d ago), licensed MIT. It adds 76 tokens to every session and 748 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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