code-complexity

code-complexity is a skill for Claude Code, Codex from laurigates/claude-plugins. It costs 37 tokens per session (1,949 once invoked), scanned A, original, MIT.

Analyze code complexity metrics (cyclomatic, cognitive, function length, coupling). Use when identifying refactoring targets, tracking codebase health, or reviewing large changes.

Skill for Claude CodeCodex

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.

agentmods
npx agentmods add skills/laurigates/claude-plugins/code-complexity
Any agent
npx skills add laurigates/claude-plugins --skill code-complexity
Clone the repo
git clone --depth 1 https://github.com/laurigates/claude-plugins

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 code-complexity

README.md
[![agentmods](https://agentmods.dev/badge/skills/laurigates/claude-plugins/code-complexity.svg)](https://agentmods.dev/skills/laurigates/claude-plugins/code-complexity)
Your own site
<a href="https://agentmods.dev/skills/laurigates/claude-plugins/code-complexity"><img src="https://agentmods.dev/badge/skills/laurigates/claude-plugins/code-complexity.svg" alt="Measured on agentmods" height="20"></a>
Per session 37 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,949 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin unknown 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 $0.00037 $0.01949
Opus 5 $0.00018 $0.00975
Sonnet 5 $0.00007 $0.00390
Haiku 4.5 $0.00004 $0.00195

Measured today against content hash 941c8bb6ad45, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

code-complexity 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 today.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/tests/test-code-complexity.sh), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

code-quality-plugin/skills/code-complexity/SKILL.md · 189 lines

How it starts

The opening of the file, as written. The whole thing — 189 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/code:complexity

Measure and report code complexity metrics.

When to Use This Skill

Use this skill when... Use something else when...
Identifying refactoring targets by complexity Looking for specific anti-patterns → /code:antipatterns
Tracking codebase health trends Doing full code review → /code:review
Reviewing large PRs for complexity hotspots Finding duplicated code → /code:dry-consolidation
Setting complexity budgets for the team Configuring linting rules → /configure:linting

Context

  • Source files: !find . -type f \( -name "*.ts" -o -name "*.tsx" -o -name "*.js" -o -name "*.jsx" -o -name "*.py" -o -name "*.rs" -o -name "*.go" \) -not -path "*/node_modules/*" -not -path "*/.git/*" -not -path "*/dist/*" -not -path "*/build/*"
  • Package files: !find . -maxdepth 1 \( -name "package.json" -o -name "pyproject.toml" -o -name "Cargo.toml" -o -name "go.mod" \) -type f

Parameters

  • $1: Path to analyze (defaults to current directory)
  • --threshold: Complexity threshold for flagging (default: 10)
  • --format: Output format — summary (default), detailed, json

Metric Computation: Offload, Never Count By Hand

Complexity metrics (cyclomatic complexity, NLOC, parameter count, function length, nesting depth) are computed by a tool, never by eyeballing function boundaries or counting branches by hand. Hand-counting is token-hungry, irreproducible run-to-run, and exactly the mechanical work that belongs in a deterministic substrate.

  • Language-native fast paths (use when the project already has them configured): radon for Python, cargo clippy for Rust, the ESLint complexity rule for JS/TS when an ESLint config exists.
  • lizard — the uniform fallback for every language. One tool computes cyclomatic complexity (CCN), NLOC, parameter count (PARAM), function length, and nesting depth (ND) across JS/TS/Go/Python/Rust/C/C++/Java with machine-readable output. It is the deterministic answer wherever a language-native tool is absent — always the JS/TS and Go path when ESLint complexity isn't configured.

Read the full file on GitHub · 189 lines

Files

What ships with it

1 file 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. today First seen · 189 lines · 37 tokens per session scan A 941c8bb6ad45

Subscribe to this mod's changes

code-complexity is a skill published in the GitHub repository laurigates/claude-plugins (57 stars, last pushed today), licensed MIT. It adds 37 tokens to every session and 1,949 once invoked, about $0.0002 per session on Opus 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 2026-09-03.

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