A code-cleanup workflow that reviews current changes and applies safe fixes for common maintainability problems. It looks for issues such as repeated helpers, unnecessary work in loops, dead code, debug output, leaks, and outdated documentation.

Use it before committing to inspect changed files, simplify implementation details, find reuse opportunities, and identify cleanup that should not be automated.

It removes routine cleanup that can distract from the main change and reports issues that need a human decision. It also checks untracked files and unpushed commits instead of looking only at the usual diff.

How jakildev/IrredenEngine configures Claude Code

Reuse

Borrowing it

Nothing to install: this file belongs to jakildev/IrredenEngine. 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/jakildev/IrredenEngine/master/.claude/skills/simplify/SKILL.md

Clone the repo

git clone --depth 1 https://github.com/jakildev/IrredenEngine

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/jakildev/irredenengine/simplify/github.svg)](https://agentmods.dev/skills/jakildev/irredenengine/simplify)

Your own site

<a href="https://agentmods.dev/skills/jakildev/irredenengine/simplify"><img src="https://agentmods.dev/badge/skills/jakildev/irredenengine/simplify/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/jakildev/irredenengine/simplify"><img src="https://agentmods.dev/badge/skills/jakildev/irredenengine/simplify.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 120 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 5,268 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.

Model	Per session	Once invoked
Fable 5.1	$0.00120	$0.05268
Opus 5.5	$0.00048	$0.02107
Sonnet 5.5	$0.00024	$0.01054
Haiku 4.5	$0.00012	$0.00527

Measured 2d ago against content hash 685d0486b17a, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

simplify 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 2d 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/skills/simplify/SKILL.md · 359 lines

How it starts

The opening of the file, as written. The whole thing — 359 lines — stays where its author put it; the contents beside it link to each section on GitHub.

simplify

Applies safe fixes inline and reports the rest. Module CLAUDE.md files override the defaults below for their subtree — read the ones the diff touches first.

Flow

1. Read what changed

git diff --stat
git diff
git ls-files --others --exclude-standard    # new untracked files count as changes
git diff @{upstream}..HEAD                   # unpushed commits, when the diff is empty

All of these empty → "nothing to simplify", exit. Untracked files alone are a working tree to polish.

1b. Dispatch the reuse-detection subagents

In one message, dispatch all five via the Agent tool; they run while sections 2–5 proceed inline and feed section 6.

Subagent	Tier	What it finds
`simplify-grep-function-names`	Haiku	New function names that duplicate existing ones in the tree.
`simplify-grep-utility-candidates`	Haiku	New functions that look like utilities and should live in `engine/math`, `ir_container_utils.hpp`, the renderer, etc.
`simplify-scan-loop-patterns`	Haiku	Triple-nested voxel/grid loops, per-entity loops that allocate, repeated `getComponent` in inner loops, linear-search in save/load paths.
`simplify-scan-render-leak`	Sonnet	Non-render code calling renderer primitives directly (`subImage2D`, vertex composition, GL/Metal calls); CPU-side SDF grid evaluation; math that belongs in a shader.
`simplify-scan-call-sequence-dup`	Sonnet	New function bodies with ≥70% call-sequence overlap to existing functions (catches structural duplicates that pure name-match misses).

Brief each with the explicit changed-path list — the union of git diff --name-only HEAD and git ls-files --others --exclude-standard — plus a note that you are the parent simplify skill; the agent definitions in .claude/agents/ carry the rules. git diff --name-only alone omits untracked files, and a subagent can only Read the paths it was handed.

Subagent: simplify-scan-loop-patterns
Prompt: "Diff scope (working-tree paths, may include new untracked
files): <paste path list>. Read each cited path directly, then scan for
the loop-pattern smells documented in your agent definition. Return the
findings list only — no preamble. Cap at 20 findings."

Read the full file on GitHub · 359 lines

Files

What ships with it

20 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.

2d ago First seen · 359 lines · 120 tokens per session scan A 685d0486b17a

Subscribe to this mod's changes

simplify is a skill published in the GitHub repository jakildev/IrredenEngine (10 stars, last pushed today), licensed MIT. It adds 120 tokens to every session and 5,268 once invoked, about $0.0005 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 2026-11-07.

Code review Debugging

simplify next to 6 skills from other repositories
Mod	Type	Stars	Last push	Licence	Scan	Tokens	Works with
simplifyjakildev/IrredenEngine	Skill	10	today	MIT	A	120	Claude Code
sync-bridgechromium/chromium	Skill	25k	yesterday	BSD-3-Clause	A	109	Claude Code, Codex
sync-model-processorchromium/chromium	Skill	25k	yesterday	BSD-3-Clause	A	98	Claude Code, Codex
adversarial-revieweremdash-cms/emdash	Skill	14k	yesterday	MIT	A	72	Claude Code, Codex
gsd-ns-reviewopen-gsd/gsd-core	Skill	11k	yesterday	MIT	A	16	Claude Code
gitnexushashgraph-online/awesome-codex-plugins	Skill	1.5k	yesterday	Apache-2.0	A	58	Codex
issuejeremylongshore/tons-of-skills-marketplace	Skill	2.9k	yesterday	MIT	A	115	Claude Code

IrredenEngine: Skill for Claude Code