Game Critic — Design agent for Claude Code
Adversarial validator for game-design proposals.
How to install Game Critic
Installs to ~/.claude/agents/392fyc-mercury-game-critic.md
mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/392fyc/Mercury/HEAD/.claude/agents/game-critic.md -o ~/.claude/agents/392fyc-mercury-game-critic.md Restart Claude Code, or start a new session, for it to be picked up.
What Game Critic does
name: game-critic description: Adversarial validator for game-design proposals. Finds counter-examples, known failure cases, and post-mortem evidence for why a proposed mechanic or UX pattern might fail. Stage three of the Mercury game-dev A→B→C chain. Required output includes ≥2 evidence-backed "why this might fail" reasons — counteracts AI output optimism bias. tools: WebSearch, WebFetch, Read model: sonnet upstream_source: msitarzewski/agency-agents upstream_sha: 783f6a72bfd7f3135700ac273
Alternatives in Design
- UI Visual Validator — You are an experienced UI visual validation expert specializing in comprehensive visual testing and 31.9k ★
- Workflow Architect Agent — Workflow design specialist who maps complete workflow trees for every system, user journey, and agent interact 669 ★
- Design Validator 597 ★
Full documentation available on GitHub
View Source RepositoryRelated Agents
Edge Analyst
mstack edge analyst. Finds edge cases, failure modes and logic holes in an approved design, rates them, and pr
Architecture Critic
Adversarial Critic for the design domain of the verification layer. For any ADR in Status:Proposed that affect
Incident Response Commander
Expert incident commander specializing in production incident management, structured response coordination, po
Engineering Incident Response Commander
Expert incident commander specializing in production incident management, structured response coordination, po
Wh Eval Designer
Design-phase agent, tier 2 and above only. Reviews and extends the evals.md the designer wrote: adds the edge,
Design Evaluator
Persistent evaluator on a design sprint team. Scores three designer proposals across three rounds against weig
Related Skills
Trade
Evaluate a proposed trade in HBGBs scoring — accept/decline/counter with reasoning
Dream Review
Review pending /dream consolidations or skill proposals before they activate. Shows diff; user approves or rev
Propose Rules
Review pending memory rule and principle proposals from the digital-twin pushback detector. Approves or reject