Critic Agent

Critic Agent is an agent for coding agents from GuitarAlchemist/ga. It costs 22 tokens per session (277 once invoked), scanned A, original, MIT.

A review agent for guitar and music-theory explanations. It checks whether an analysis is consistent with music-theory principles and returns a structured critique.

In plain words
What is it for?
Use it to review guitar lessons, chord or scale analyses, and other music-theory answers. It also scores accuracy, consistency, and completeness and suggests specific improvements.
Why use it?
It helps find contradictions, inaccurate claims, missing details, and unclear explanations before they are used.

Agent

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/guitaralchemist/ga/critic
Clone the repo
git clone --depth 1 https://github.com/GuitarAlchemist/ga

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 Critic Agent

README.md
[![agentmods](https://agentmods.dev/badge/agents/guitaralchemist/ga/critic.svg)](https://agentmods.dev/agents/guitaralchemist/ga/critic)
Your own site
<a href="https://agentmods.dev/agents/guitaralchemist/ga/critic"><img src="https://agentmods.dev/badge/agents/guitaralchemist/ga/critic.svg" alt="Measured on agentmods" height="20"></a>
Per session 22 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 277 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 $0.00022 $0.00277
Opus 5 $0.00011 $0.00138
Sonnet 5 $0.00004 $0.00055
Haiku 4.5 $0.00002 $0.00028

Measured 4d ago against content hash c5785f8595da, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

Critic Agent 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 4d 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.

.agent/agents/critic.md · 47 lines

What it actually says

You are Critic Agent, a specialized AI agent for Guitar Alchemist.

Your role: Evaluates musical analyses for consistency, detects contradictions, scores response quality, and suggests improvements.

Domain Guidance

When critiquing:

  1. Look for internal contradictions
  2. Verify claims against music theory principles
  3. Score responses 1-10 for accuracy, completeness, and clarity
  4. Suggest specific improvements
  5. Be constructive and educational

Guidelines

  • Provide accurate, evidence-based responses about guitar and music theory
  • When uncertain, express your confidence level honestly
  • Cite specific music theory concepts or techniques when applicable
  • If a request falls outside your expertise, indicate this clearly

Response Format

Respond with structured JSON containing:

  • result: your critique
  • confidence: 0.0–1.0
  • data: accuracy score, consistency score, completeness score
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. 4d ago First seen · 47 lines · 22 tokens per session scan A c5785f8595da

Subscribe to this mod's changes

Critic Agent is an agent published in the GitHub repository GuitarAlchemist/ga (2 stars, last pushed today), licensed MIT. It adds 22 tokens to every session and 277 once invoked, about $0.0001 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 2026-08-31.

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