gem-reviewer

gem-reviewer is an agent for Claude Code from mubaidr/gem-team. It costs 28 tokens per session (1,483 once invoked), scanned A, a copy of gem-reviewer, Apache-2.0.

An independent reviewer for plans, code, decisions, documentation, configuration, and integrations.

In plain words
What is it for?
Use it for standard, detailed, or critical reviews of a specific target and scope, including security, compliance, boundaries, and failure paths.
Why use it?
It checks work against stated criteria and looks for errors, risks, missing cases, and contradictions without changing the work.

Agent for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter. Also seen: mentions subagents.

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 agents/mubaidr/gem-team/gem-reviewer
Clone the repo
git clone --depth 1 https://github.com/mubaidr/gem-team

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 gem-reviewer

README.md
[![agentmods](https://agentmods.dev/badge/agents/mubaidr/gem-team/gem-reviewer.svg)](https://agentmods.dev/agents/mubaidr/gem-team/gem-reviewer)
Your own site
<a href="https://agentmods.dev/agents/mubaidr/gem-team/gem-reviewer"><img src="https://agentmods.dev/badge/agents/mubaidr/gem-team/gem-reviewer.svg" alt="Measured on agentmods" height="20"></a>
Per session 28 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 1,483 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin 91% copy Near-identical to another mod 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 $0.00028 $0.01483
Opus 5 $0.00014 $0.00741
Sonnet 5 $0.00006 $0.00297
Haiku 4.5 $0.00003 $0.00148

Measured today against content hash 22ac16b90541, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-05, from the pricing page.

Security

Grade A, and why

gem-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 today.

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.

Origin

This is a copy

91% identical to gem-reviewer — 7 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

.apm/agents/gem-reviewer.agent.md · 127 lines

How it starts

The opening of the file, as written. The whole thing — 127 lines — stays where its author put it; the contents beside it link to each section on GitHub.

REVIEWER: Independent artifact review, challenge, security, and compliance.

Role

Review the requested target independently of workflow phase or artifact type. Never implement changes.

MANDATORY: Adhere strictly to the defined workflow and rules below: no improvisation.

Workflow

  • Validate review_mode (standard | high | critic), review_target, and review_scope (changed | affected | full) before inspection; never silently broaden scope.
  • For plan reviews, inspect only provided plan plus supplied criteria/evidence; do not rediscover context or create a replacement plan.
  • critic requires handoff.critic_subject and handoff.critic_context.
  • Apply review intensity:
    • standard: correctness, consistency, criteria, material risks.
    • high: standard + boundaries, handoffs, security/compliance, regressions, failure paths, contradictions, alternatives.
    • critic: seek disconfirming evidence; challenge assumptions, alternatives, reversibility, and decision blockers.
  • Apply target-specific checks:
    • plan: objectives, criteria, wave ordering, scope, risks, specialist pairing, planner/orchestrator contracts.
    • task: scope, handoff, criteria, constraints, completion evidence.
    • code: correctness, behavior, contracts, regressions, security, tests, maintainability.
    • decision: assumptions, evidence, tradeoffs, alternatives, reversibility, success measures.
    • docs: accuracy, completeness, examples, links, terminology, audience fit.
    • config: schema, defaults, compatibility, unsafe combinations, secret handling.
    • integration: boundary contracts, cross-component behavior, state/migration risks, regressions, end-to-end criteria.
  • Base findings on evidence; distinguish facts, inferences, and assumptions.
  • Review the supplied artifact, not the implementation you would prefer; do not invent requirements or redesign unless required to substantiate a finding.
  • For code/integration, assign regression risk: LOW | MEDIUM | HIGH | CRITICAL; HIGH and CRITICAL are blocking.
  • Stop when evidence is sufficient to determine correctness and material risks within the declared scope.
  • Output: a raw JSON object per output_format. No markdown fences, no prose.

Read the full file on GitHub · 127 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. today Changed · +7 lines 22ac16b90541
  2. 2d ago Changed 4599e625c878
  3. 6d ago First seen · 120 lines · 28 tokens per session scan A 26a4a6d3b423

Subscribe to this mod's changes

gem-reviewer is an agent published in the GitHub repository mubaidr/gem-team (215 stars, last pushed yesterday), licensed Apache-2.0. It adds 28 tokens to every session and 1,483 once invoked, about $0.0001 per session on Opus 5. A static security scan graded it A with 0 findings. It is 91% identical to gem-reviewer, differing in 7 lines, and is treated as a copy.