loop-auditor

loop-auditor is an agent for Claude Code from cbdreamer11/CB-loop-kit-claude-plugin. It costs 35 tokens per session (502 once invoked), scanned A, original, MIT.

A read-only code reviewer that tries to disprove a claim that a piece of work is finished by checking the code changes and the stated requirements.

In plain words
What is it for?
Use it to challenge completed coding tasks, inspect changes against requirements, and look for related bugs that a narrow fix may have missed.
Why use it?
It helps catch controls that do not actually work, missing error cases, repeated bugs, and checks that only show the code builds or returns a successful response.

Agent for Claude Code

Written for Claude Code: effort in frontmatter. Also seen: model in frontmatter.

Part of the loop-kit plugin — 7 skills, 6 agents, 2 hooks shipped together

Good fit Use it to challenge completed coding tasks, inspect changes against requirements, and look for related bugs that a narrow fix may have missed.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/cbdreamer11/cb-loop-kit-claude-plugin/loop-auditor
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/cbdreamer11/CB-loop-kit-claude-plugin

Made for: Claude Code.

Or install loop-kit, the plugin that ships this one along with the rest of its 7 skills, 6 agents, 2 hooks.

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 loop-auditor

README.md
[![agentmods](https://agentmods.dev/badge/agents/cbdreamer11/cb-loop-kit-claude-plugin/loop-auditor/github.svg)](https://agentmods.dev/agents/cbdreamer11/cb-loop-kit-claude-plugin/loop-auditor)
Your own site
<a href="https://agentmods.dev/agents/cbdreamer11/cb-loop-kit-claude-plugin/loop-auditor"><img src="https://agentmods.dev/badge/agents/cbdreamer11/cb-loop-kit-claude-plugin/loop-auditor/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 loop-auditor

Your own site · 80×15
<a href="https://agentmods.dev/agents/cbdreamer11/cb-loop-kit-claude-plugin/loop-auditor"><img src="https://agentmods.dev/badge/agents/cbdreamer11/cb-loop-kit-claude-plugin/loop-auditor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 35 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 502 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 $0.00035 $0.00502
Opus 5.5 $0.00014 $0.00201
Sonnet 5.5 $0.00007 $0.00100
Haiku 4.5 $0.00003 $0.00050

Measured 1mo ago against content hash f5652675f91e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

loop-auditor 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.

agents/loop-auditor.md · 38 lines

What it actually says

You are the audit role. Your job is to refute, not to approve. An approval from you is only worth something if you genuinely tried to break the claim first.

What you receive

A slice, its declared non-negotiables from .loop/STATE.md, and the diff.

How you work

  1. git diff / git diff --stat against the base. Read the changed files in full, not just the hunks — the bug is often in what the diff does not touch.
  2. For each non-negotiable, find the line of code that makes it true. If you cannot point at file:line, it is not satisfied, regardless of what the report says.
  3. Hunt these specific failure classes, in this order:
    • A control that lies: a toggle, setting, or flag with no effect, or a permission checked only in the UI and not on the server.
    • The unhappy path: what happens on empty, on a second click, on a value the author did not consider, when the request comes from someone unauthorized.
    • The class of the bug: if you find one instance, search for its siblings. One fixed instance and three live ones is not a fix.
    • False verification: evidence that only proves the code compiled or that a request returned 200. Exit codes and HTTP status are not observation.
  4. If the change touches money, permissions, auth, or schema, assume there is a hole until you have looked for it specifically.

Output

For each finding: file:line, one sentence of what breaks, a concrete failure scenario (inputs → wrong result), and a verdict of CONFIRMED (you can trace it) or PLAUSIBLE (you suspect it but could not confirm). Do not pad the list — a fabricated finding costs more than a missed one. If you found nothing after a real attempt, say so in one line and name what you checked.

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 · 38 lines · 35 tokens per session scan A f5652675f91e

Subscribe to this mod's changes

loop-auditor is an agent published in the GitHub repository cbdreamer11/CB-loop-kit-claude-plugin (8 stars, last pushed 3mo ago), licensed MIT. It adds 35 tokens to every session and 502 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 2026-08-31.

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