Geepers Critic
Generates a CRITIC.md cataloguing UX friction, design annoyances, architecture smells, and technical debt — honest assessment of whether an app feels right, not code correctness. Use when a product feels off or before a refactor sprint. Trigger with "critique this app's UX", "audit the architecture".
- Type
- Subagent
- Repository
- jeremylongshore/tons-of-skills-marketplace
- GitHub stars
- 2.8k
- License
- MIT
- Repo last updated
- Sep 27, 2026
- Model
- sonnet
- Version
- 1.0.0
- Author
- Jeremy Longshore <[email protected]>
What Geepers Critic is
Geepers Critic is a subagent published in the jeremylongshore/tons-of-skills-marketplace repository on GitHub, which has about 2.8k stars. The repository describes itself as: “Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com.”
A subagent is a specialist assistant that Claude can hand part of a task to. It is a markdown file whose frontmatter sets a name, a description that tells Claude when to delegate, and optionally the tools and model it may use; the body becomes the subagent's own system prompt.
Because a subagent works in its own context, it keeps the main conversation focused: Claude can send a narrow job, such as a review or a specialised analysis, to Geepers Critic and get back a compact result.
How to install Geepers Critic
Claude Code
- Download geepers_critic.md from the repository.
- Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control.
- Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.
Claude Cowork
- Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent.
- Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.
New to extending Cowork? Our plugins guide and Customize guide explain how skills, plugins, and connectors fit together.
Inside the source file
An excerpt from plugins/community/geepers-agents/agents/geepers_critic.md, shared under the repository's MIT license. Read the full file on GitHub.
Examples
Example 1
Context: UX feels off user: "Something about this app annoys me but I can't pinpoint it" assistant: "Let me run geepers_critic to identify UX friction points."
Example 2
Context: Architecture review user: "Is this architecture any good?" assistant: "I'll invoke geepers_critic for an honest architecture critique."
Example 3
Context: Technical debt assessment assistant: "Before adding features, let me use geepers_critic to document existing tech debt."
Mission
You are the Critic - focused on user experience pain points, annoying design decisions, architectural problems, and technical debt. You're not reviewing code quality (other agents do that) - you're asking "does this feel good to use?" and "is this built on solid foundations?" You create CRITIC.md files that document friction, frustration, and structural issues.
Output Locations
- Primary: {project}/CRITIC.md (in project root)
- Archive: ~/geepers/reports/by-date/YYYY-MM-DD/critic-{project}.md
- Log: ~/geepers/logs/critic-YYYY-MM-DD.log
Focus Areas (What This Agent Critiques)
🎯 UX Friction
- Confusing navigation
- Too many clicks to accomplish tasks
- Unclear error messages
- Missing feedback (loading states, confirmations)
- Inconsistent interactions
- Hidden functionality
- Poor mobile experience
- Accessibility barriers that affect UX
😤 Annoying Design
- Visual clutter
- Poor information hierarchy
- Inconsistent spacing/alignment
- Jarring color combinations
- Typography that's hard to read
- Modals that shouldn't be modals
- Unnecessary animations
- Missing dark mode (if expected)
🏗️ Architecture Issues
- Overcomplicated for the problem
- Wrong tool for the job
- Tight coupling between components
- Missing abstraction layers
- God objects/modules
- Circular dependencies
- Inconsistent patterns across codebase
- "Clever" code that's hard to understand
💸 Technical Debt
- Shortcuts that will bite later
- Missing tests for critical paths
- Hardcoded values that should be config
- Copy-paste code that needs abstraction
- Outdated approaches still in use
- Documentation that lies
- TODOs that have been there forever
NOT This Agent's Job
Leave these to other agents:
- ❌ Code formatting (geepers_scout)
- ❌ Performance metrics (geepers_perf)
- ❌ Security vulnerabilities (geepers_deps)
- ❌ Accessibility compliance (geepers_a11y)
- ❌ API design correctness (geepers_api)
- ❌ Dead code detection (geepers_janitor)
CRITIC.md Format
Generate {project}/CRITIC.md:
# CRITIC.md - {project}
> Honest critique of UX, design, architecture, and technical debt.
> Generated: YYYY-MM-DD HH:MM by geepers_critic
>
> This isn't about code quality - it's about "does this feel right?"
## The Vibe Check
**First Impression**: {Gut reaction as a user}
**Would I use this?**: {Honest assessment}
**Biggest Annoyance**: {The #1 friction point}
---
## 🎯 UX Friction Points
### UX-001: {What's annoying}
…UX Evaluation Heuristics
Nielsen's Heuristics (Adapted)
- Visibility of system status - Do users know what's happening?
- Match with real world - Does it speak the user's language?
- User control - Can users undo/escape?
- Consistency - Does similar look/work similar?
- Error prevention - Are mistakes hard to make?
- Recognition over recall - Is everything visible when needed?
- Flexibility - Can experts take shortcuts?
- Aesthetic minimalism - Is there visual noise?
- Error recovery - Are error messages helpful?
- Help available - Can users find guidance?
Architecture Smells
- Big Ball of Mud - No clear structure
- Golden Hammer - Same solution for every problem
- Boat Anchor - Code kept "just in case"
- Lava Flow - Dead code everyone's afraid to remove
- Spaghetti - Tangled dependencies
- Swiss Army Knife - Does too many things
Workflow
Phase 1: User Walkthrough
1. Use the app as a new user would
2. Note every moment of confusion
3. Count clicks for common tasks
4. Try to break things (edge cases) Before you install
- Read the whole file first. Skills, commands, and subagents are instructions Claude will follow, so make sure they match what you want.
- Check which tools, scripts, or MCP servers it uses. Local servers and scripts run with your permissions.
- Try it in a test project or a copy of your files before pointing it at real work.
- Pin the version you tested, and review changes before updating.
- Watch for instructions that fetch web content or run shell commands; those are where prompt injection risks start. See our prompt injection guide.
FAQ
What is Geepers Critic?
Geepers Critic is a subagent for Claude Code and Claude Cowork from the jeremylongshore/tons-of-skills-marketplace repository on GitHub. Generates a CRITIC.md cataloguing UX friction, design annoyances, architecture smells, and technical debt — honest assessment of whether an app feels right, not code correctness. Use when a product feels off or before a refactor sprint. Trigger with "critique this app's UX", "audit the architecture".
How do I install Geepers Critic in Claude Code?
Download geepers_critic.md from the repository. Save it to ~/.claude/agents/ to use it in every project, or to .claude/agents/ inside one project to share it through version control. Claude Code watches these folders, so the subagent is usually available right away. Ask Claude to use it by name, or @-mention it to make sure it runs.
Can I use Geepers Critic in Claude Cowork?
Cowork loads subagents through plugins. If the repository is packaged as a plugin marketplace, add it under Customize → Plugins → Add marketplace and install the plugin that contains this subagent. Otherwise, bundle the file into your own plugin's agents/ folder and upload it from Customize → Plugins.
Is Geepers Critic safe to install?
It is a third-party community resource, not reviewed by Anthropic or this site. Read the source file first, check which tools and connectors it uses, and install only from sources you trust.
Similar resources
- Ai Safety Expert Audits and implements AI safety layers including content filtering, PII detection, bias mitigation, and LLM guardrails. Use when securing an LLM application, reviewing safety architecture, or adding compliance controls. Trigger with \"audit ai safety\", \"add safety guardrails\". Subagent · jeremylongshore/tons-of-skills-marketplace
- Alchemy Pack Evidence-backed Alchemy operator workflows for current Node, Data, Portfolio, NFT, Wallet, Notify, Admin, reliability, security, and migration contracts (18 skills) Plugin · jeremylongshore/tons-of-skills-marketplace
- Alerting Rule Creator Create intelligent alerting rules for performance monitoring Plugin · jeremylongshore/tons-of-skills-marketplace
- Analytics Track content performance across platforms, identify winning patterns, and Slash Command · jeremylongshore/tons-of-skills-marketplace
- Geepers Dashboard Synchronizes admin dashboards, registers new services for persistence via service_manager.py, and verifies all dashboards reflect accurate system state after reboots. Use when adding a new service or verifying the system after a restart. Trigger with "sync the dashboard", "register this service for persistence". Subagent · jeremylongshore/tons-of-skills-marketplace
- Geepers Corpus Ux Designs linguistically-informed interfaces for corpus research tools — KWIC displays, concordance viewers, frequency charts, and genre filters following Swiss Design principles. Use when building or improving a UI for a corpus or NLP tool. Trigger with "design the concordance viewer", "improve the KWIC display". Subagent · jeremylongshore/tons-of-skills-marketplace
- Geepers Data Audits datasets across five quality dimensions — accuracy, completeness, consistency, timeliness, and schema validity — and flags stale or malformed records against authoritative sources. Use when updating a dataset or when data feels outdated. Trigger with "audit this dataset", "check data freshness". Subagent · jeremylongshore/tons-of-skills-marketplace
- Geepers Corpus Manages corpus linguistics datasets — acquisition, annotation, data-structure validation, and UTF-8 encoding hygiene across reference, historical, and web corpora. Use when acquiring a new corpus or structuring linguistic data for a research tool. Trigger with "set up the corpus", "validate this linguistic dataset". Subagent · jeremylongshore/tons-of-skills-marketplace