Agent Skills for Claude Code and OpenCode
npx skills add https://github.com/neurofoo/agent-skills --skill eos-usageInstall this skill with the CLI and start using the SKILL.md workflow in your workspace.
A collection of thinking frameworks and decision-making tools as skills for AI coding assistants.
Install directly in Claude Code:
/plugin marketplace add neurofoo/agent-skills
Or install specific plugin categories:
/plugin marketplace add neurofoo/agent-skills/thinking-frameworks
/plugin marketplace add neurofoo/agent-skills/prioritization-skills
/plugin marketplace add neurofoo/agent-skills/creative-skills
/plugin marketplace add neurofoo/agent-skills/learning-skills
/plugin marketplace add neurofoo/agent-skills/retrospective-skills
/plugin marketplace add neurofoo/agent-skills/writing-skills
# Clone the repository
git clone https://github.com/neurofoo/agent-skills.git
cd agent-skills
# Install all skills (user-level, all projects)
mkdir -p ~/.claude/skills
cp -r */ ~/.claude/skills/
# Or project-level (single project)
mkdir -p .claude/skills
cp -r */ .claude/skills/
To install only specific skills:
# User-level
mkdir -p ~/.claude/skills
cp -r ooda ~/.claude/skills/
cp -r premortem ~/.claude/skills/
# Or project-level
mkdir -p .claude/skills
cp -r ooda .claude/skills/
cp -r premortem .claude/skills/
After installation, restart Claude Code. Skills appear in the /skills menu and can be invoked directly (e.g., /ooda, /premortem).
| Skill | Invoke | Description |
|---|---|---|
| OODA Loop | /ooda |
Military-origin decision loop: Observe, Orient, Decide, Act |
| Pre-Mortem | /premortem |
Imagine failure, work backward to prevent it |
| WRAP | /wrap |
Counter decision biases: Widen options, Reality-test, Attain distance, Prepare |
| Cynefin | /cynefin |
Categorize problems as Simple/Complicated/Complex/Chaotic |
| Red Team | /redteam |
Adversarial analysis to find weaknesses and vulnerabilities |
| SWOT | /swot |
Strengths, Weaknesses, Opportunities, Threats analysis |
| Skill | Invoke | Description |
|---|---|---|
| SCAMPER | /scamper |
7 creative prompts: Substitute, Combine, Adapt, Modify, Put to other uses, Eliminate, Reverse |
| Six Thinking Hats | /sixhats |
Parallel thinking from 6 perspectives (facts, feelings, caution, benefits, creativity, process) |
| Design Thinking | /design |
Human-centered design: Empathize, Define, Ideate, Prototype, Test |
| Skill | Invoke | Description |
|---|---|---|
| Feynman Technique | /feynman |
Explain simply to find knowledge gaps, then refine |
| Socratic Method | /socratic |
Deep questioning to expose assumptions and reach understanding |
| Five Whys | /5whys |
Iterative root cause analysis |
| Skill | Invoke | Description |
|---|---|---|
| Eisenhower Matrix | /eisenhower |
Urgent/Important 4-quadrant prioritization |
| RICE Scoring | /rice |
Quantitative prioritization: Reach x Impact x Confidence / Effort |
| MoSCoW | /moscow |
Must have, Should have, Could have, Won't have |
| Skill | Invoke | Description |
|---|---|---|
| After-Action Review | /aar |
What was expected? What happened? Why? What next? |
| Post-Mortem | /postmortem |
Blameless incident analysis |
| Start-Stop-Continue | /retro |
Simple 3-column retrospective |
| Skill | Invoke | Description |
|---|---|---|
| Wardley Mapping | /wardley |
Value chain + evolution strategic mapping |
| Jobs to Be Done | /jtbd |
Understand what job customers hire products for |
| Skill | Invoke | Description |
|---|---|---|
| Elements of Style | /eos-style |
Style guidance based on Strunk & White |
| Composition | /eos-composition |
Principles of composition and structure |
| Usage | /eos-usage |
Words and expressions commonly misused |
| When You Need To... | Use |
|---|---|
| Make a complex decision | /ooda, /wrap |
| Find root cause | /5whys, /socratic |
| Brainstorm ideas | /scamper, /sixhats, /design |
| Evaluate risks | /premortem, /redteam |
| Prioritize work | /eisenhower, /rice, /moscow |
| Learn from failure | /aar, /postmortem |
| Understand users | /jtbd, /design |
| Plan strategy | /wardley, /swot, /cynefin |
| Simplify explanation | /feynman |
| Challenge assumptions | /redteam, /socratic |
| Team retrospective | /retro |
| Improve writing | /eos-style, /eos-composition, /eos-usage |
agent-skills/
├── .claude-plugin/
│ └── marketplace.json # Marketplace manifest
├── [skill-name]/
│ └── SKILL.md # Frontmatter + instructions + examples
└── ...
SKILL.md format:
---
name: skillname
description: What this skill does and when to use it.
user-invocable: true
---
# Skill Title
[Instructions for running the analysis]
$ARGUMENTS
/ooda Should I accept this job offer?
/premortem We're launching the new product next week
/5whys The deployment failed
/rice Feature A vs Feature B vs Feature C
/scamper How to improve our checkout flow
/feynman Kubernetes
/swot Our competitive position
/eos-style Review my blog post draft
MIT