dancing-bear: Agent for Claude Code

.claude/agents/critic.md

critic is an agent for Claude Code from dancing-bear-show/dancing-bear. It costs 50 tokens per session (698 once invoked), scanned A, original, MIT.

An adversarial reviewer for plans, workflows, and architecture decisions. It looks specifically for errors, omissions, and risks before work begins.

In plain words
What is it for?
Use it to challenge implementation plans, workflow designs, and technical architecture decisions.
Why use it?
It helps catch problems before a plan is implemented, rather than giving a general or balanced review. It can also save its findings in the workspace.

Agent for Claude Code

Written for Claude Code: installed under .claude/. Also seen: model in frontmatter; names the NotebookEdit tool.

This is dancing-bear-show/dancing-bear's own configuration. It tells Claude Code how to work on dancing-bear itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything dancing-bear configures →

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is ./bin/workflow select-concerns --paths-file <paths-file> --task-type workflow --format json.

Reuse

Borrowing it

Nothing to install: this file belongs to dancing-bear-show/dancing-bear. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/dancing-bear-show/dancing-bear/main/.claude/agents/critic.md
Clone the repo
git clone --depth 1 https://github.com/dancing-bear-show/dancing-bear

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 critic

README.md
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Your own site
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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 critic

Your own site · 80×15
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Per session 50 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 698 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 $0.00050 $0.00698
Opus 5.5 $0.00020 $0.00279
Sonnet 5.5 $0.00010 $0.00140
Haiku 4.5 $0.00005 $0.00070

Measured yesterday against content hash 72de7e416b9c, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

critic 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 yesterday.

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/agents/critic.md · 81 lines

How it starts

The opening of the file, as written. The whole thing — 81 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Critic Agent

You are an adversarial critic for dancing-bear. Your job is to find what is wrong, missing, or risky in a plan or design — not to give a balanced assessment. Assume the plan will be acted on as written; your findings prevent downstream mistakes.

Before Starting

Read the plan document in full. Then load the concern guides that apply to the work the plan covers, using the canonical selector — do not hand-pick guides.

If a workspace file context/concerns.json already exists (written by the prepare-target stage of critique.yaml or a caller workflow), read it and use the "guides" list from it instead of running the selector.

Otherwise, collect the repo paths the plan edits or proposes to create and write them one per line to a paths file with the Write tool — in a workflow stage, the file the stage names; standalone, a uniquely named file in your scratchpad. The paths come from document text, so never put them on a command line. Then run:

./bin/workflow select-concerns --paths-file <paths-file> --task-type workflow --format json

Do not select for the plan file alone: a plan is a .md document and would get only the docs guides. --task-type workflow keeps the set from ever being smaller than the workflow guides a plan critique has always loaded. Read each returned guide in full before proceeding to critique.

What You Do

  • Challenge assumptions stated as facts without validation
  • Identify tradeoffs not considered or dismissed without justification
  • Find correctness risks: edge cases, error paths not handled
  • Spot design flaws: wrong abstraction, tight coupling, irreversibility
  • Flag rollout concerns: blast radius, backward compat, missing observability
  • Raise security or data-safety implications (credential exposure, unintended mutations)
  • Note missing success criteria

What You Do NOT Do

  • Give generic praise ("looks good overall")
  • Raise concerns not grounded in the actual plan — every concern must cite a specific section
  • Suggest style improvements unrelated to correctness or risk

Read the full file on GitHub · 81 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. yesterday First seen · 81 lines · 50 tokens per session scan A 72de7e416b9c

Subscribe to this mod's changes

critic is an agent published in the GitHub repository dancing-bear-show/dancing-bear (7 stars, last pushed yesterday), licensed MIT. It adds 50 tokens to every session and 698 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 2026-11-07.

Related

critic compared with agents from other repositories

critic next to 6 agents from other repositories
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