prune

prune is a command for Claude Code from arbiterForge/codeArbiter. It costs 41 tokens per session (1,640 once invoked), scanned A, original, AGPL-3.0.

A command for reducing unnecessary transcript text in a coding-agent session. It can inspect the transcript, create a pruned copy, or turn automatic cleanup on or off.

In plain words
What is it for?
Use it to analyze transcript clutter, test a cleanup before applying it, or enable cleanup after each turn.
Why use it?
Long transcripts can use up the session's available context and shorten how long work can continue. Cleanup is previewed by default, and its benefits appear when the session resumes or is compacted.

Command for Claude Code

Written for Claude Code: argument-hint in frontmatter.

Good fit Use it to analyze transcript clutter, test a cleanup before applying it, or enable cleanup after each turn.

Compare 6 commands from other repositories ↓
Install with agentmods
npx agentmods add commands/arbiterforge/codearbiter/prune
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/arbiterForge/codeArbiter

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 prune

README.md
[![agentmods](https://agentmods.dev/badge/commands/arbiterforge/codearbiter/prune/github.svg)](https://agentmods.dev/commands/arbiterforge/codearbiter/prune)
Your own site
<a href="https://agentmods.dev/commands/arbiterforge/codearbiter/prune"><img src="https://agentmods.dev/badge/commands/arbiterforge/codearbiter/prune/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 prune

Your own site · 80×15
<a href="https://agentmods.dev/commands/arbiterforge/codearbiter/prune"><img src="https://agentmods.dev/badge/commands/arbiterforge/codearbiter/prune.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 41 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,640 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 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 5.1 $0.00041 $0.01640
Opus 5.5 $0.00016 $0.00656
Sonnet 5.5 $0.00008 $0.00328
Haiku 4.5 $0.00004 $0.00164

Measured 1mo ago against content hash 423f25f00d3e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

prune 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.

core/surface/commands/prune.md · 100 lines

The source is not reproduced here

Licensed AGPL-3.0

The repository is licensed AGPL-3.0, which this catalogue does not treat as permission to reproduce the file. Read it at the source.

Read it on GitHub

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 · 100 lines · 41 tokens per session scan A 423f25f00d3e

Subscribe to this mod's changes

prune is a command published in the GitHub repository arbiterForge/codeArbiter (149 stars, last pushed today), licensed AGPL-3.0. It adds 41 tokens to every session and 1,640 once invoked, about $0.0002 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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