churn

A code analysis command that ranks methods by change frequency multiplied by complexity. This combination is called churn.

In plain words
What is it for?
Use it to find risky methods in a chosen time period and prioritize them for simplification.
Why use it?
It highlights code that changes often and is also complicated, which can make bugs and future edits more likely.

Command for Claude Code

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 commands/sakrut/ai-code-graph/churn
Clone the repo
git clone --depth 1 https://github.com/sakrut/ai-code-graph

Made for: Claude Code.

Per session 0 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 131 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
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 $0.00000 $0.00131
Opus 5 $0.00000 $0.00066
Sonnet 5 $0.00000 $0.00026
Haiku 4.5 $0.00000 $0.00013

Measured 2d ago against content hash c9ed271eda9b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

churn 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/commands/cg/churn.md · 9 lines

What it actually says

Show methods with high change-frequency x complexity (churn hotspots): $ARGUMENTS

Steps:

  1. Run ai-code-graph churn --since "$ARGUMENTS" --db ./ai-code-graph/graph.db (use "6 months ago" if no argument provided)
  2. If the database doesn't exist, inform the user to run ai-code-graph analyze first
  3. Present the results ranked by churn score (changes × complexity)
  4. For the top results, explain why they are risky: high change frequency combined with high complexity
  5. Suggest which methods would benefit most from refactoring to reduce complexity
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. 2d ago First seen · 9 lines · 0 tokens per session scan A c9ed271eda9b

Subscribe to this mod's changes

churn is a command published in the GitHub repository sakrut/ai-code-graph (3 stars, last pushed 5mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 131 tokens. 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 2026-08-31.