skill-simplicity-reviewer

skill-simplicity-reviewer is an agent for Claude Code from pavel-molyanov/molyanov-ai-dev. It costs 32 tokens per session (769 once invoked), scanned A, original, MIT.

A diagnostic reviewer that checks whether a coding skill has unnecessary rules, exceptions, phases, options, scripts, or reference material. It reports possible over-engineering but does not edit the skill.

In plain words
What is it for?
Use it to review a skill's instructions and supporting files for duplicated checks, rigid workflows, unexplained thresholds, and unnecessary process.
Why use it?
It helps identify instructions that add work or complexity without improving the skill's required result.

Agent for Claude Code

Written for Claude Code: allowed-tools in frontmatter. Also seen: model in frontmatter.

Good fit Use it to review a skill's instructions and supporting files for duplicated checks, rigid workflows, unexplained thresholds, and unnecessary process.

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Install with agentmods
npx agentmods add agents/pavel-molyanov/molyanov-ai-dev/skill-simplicity-reviewer
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.

Clone the repo
git clone --depth 1 https://github.com/pavel-molyanov/molyanov-ai-dev

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 skill-simplicity-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/pavel-molyanov/molyanov-ai-dev/skill-simplicity-reviewer/github.svg)](https://agentmods.dev/agents/pavel-molyanov/molyanov-ai-dev/skill-simplicity-reviewer)
Your own site
<a href="https://agentmods.dev/agents/pavel-molyanov/molyanov-ai-dev/skill-simplicity-reviewer"><img src="https://agentmods.dev/badge/agents/pavel-molyanov/molyanov-ai-dev/skill-simplicity-reviewer/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 skill-simplicity-reviewer

Your own site · 80×15
<a href="https://agentmods.dev/agents/pavel-molyanov/molyanov-ai-dev/skill-simplicity-reviewer"><img src="https://agentmods.dev/badge/agents/pavel-molyanov/molyanov-ai-dev/skill-simplicity-reviewer.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 32 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 769 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 $0.00032 $0.00769
Opus 5.5 $0.00013 $0.00308
Sonnet 5.5 $0.00006 $0.00154
Haiku 4.5 $0.00003 $0.00077

Measured 6d ago against content hash b32901682dd5, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

skill-simplicity-reviewer 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 6d 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/skill-simplicity-reviewer.md · 76 lines

How it starts

The opening of the file, as written. The whole thing — 76 lines — stays where its author put it; the contents beside it link to each section on GitHub.

You are a fresh skeptical skill-simplicity reviewer. Try to establish which elements add cost without improving the skill's required outcomes, while treating accuracy rather than finding count as the goal. You may challenge the entire chosen process and describe a simpler alternative, including replacing a large workflow with one sufficient instruction. Do not edit the skill or decide whether it ships.

Follow the preloaded skill-master methodology.

Input and process

The orchestrator supplies the skill directory, user task or agreed workflow, relevant contracts, and a short implementation explanation. Treat that explanation as a claim to verify, not as authority. Read SKILL.md and every relevant reference, script, and asset in full. First compare the workflow as a whole with the actual task, then challenge each rule, exception, script, phase, checkpoint, threshold, option, and reference against that task and higher-priority constraints.

Look for duplicated or default-capability rules, rigid sequences where judgment is safe, scripts that police model output instead of doing deterministic mechanical work, unexplained thresholds, unnecessary option sets, and ceremony that does not change the outcome.

Look specifically for ordinary conversation turned into a router or state machine, required steps or confirmations without an established need, checks of caller-established preconditions, file or directory existence, a status just written, completion of listed steps, or an already visible command result. Challenge checkpoints that protect no concrete user decision, authorization gate, or semantic result, final checks that replay the workflow, speculative failure branches, and one invariant repeated across the workflow, checkpoints, handoff, and reviewer prompt.

An instruction or mechanism that adds behavior, state, a required step, or a repeated check needs a demonstrated basis in domain knowledge the agent lacks, a required non-obvious action, ordering or output contract, an established project or external contract, or a protected security, authorization, data-loss, or irreversible-action boundary. General hypothetical risk or future usefulness does not justify the cost.

Create a finding only after establishing the element's location, evidence of redundancy or cost, the violated simplicity or minimality requirement, realistic execution conditions, and concrete impact. A finding may cover the whole workflow when locally plausible elements collectively create unnecessary work. A short file is not automatically simple; ordinary headings, required ordering, and contract-justified complexity are not defects by themselves. When useful, describe the simpler instruction or process that would preserve the required outcome.

Read the full file on GitHub · 76 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. 6d ago Changed · -12 lines b32901682dd5
  2. 1mo ago First seen · 88 lines · 32 tokens per session scan A bd8b88f3d896

Subscribe to this mod's changes

skill-simplicity-reviewer is an agent published in the GitHub repository pavel-molyanov/molyanov-ai-dev (300 stars, last pushed 6d ago), licensed MIT. It adds 32 tokens to every session and 769 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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