Skill Library for Claude Code
A comprehensive collection of Claude Code skill plugins for structured thinking, writing, leadership, and negotiation.
Skill Library for Claude Code
A collection of Claude Code skill plugins for thinking, writing, leadership, and negotiation. 41 skills across 6 domain plugins teach Claude structured frameworks from 109 books — covering process discipline, strategic planning, executive decision-making, fiction craft, non-fiction persuasion, and interpersonal negotiation.
Built by Joel Lewis.
Contributions welcome! Found a way to improve a skill or have a new one to add? See CONTRIBUTING.md.
Plugins
meta — Process Enforcement
Skills that govern how the agent operates, learns, and improves. Full rigor — includes iron laws, state machines, and rationalization tables.
| Skill | What Claude can do |
|---|---|
getting-started | Bootstrap a session and route to the correct skill |
using-skills | Enforce the 1% rule — invoke skills before responding |
writing-skills | Author new skills using TDD methodology |
prompt-optimizer | Refine prompts using the Patty 4-D methodology |
mental-model-library | Apply cross-domain reasoning frameworks |
learning-accelerator | Synthesize knowledge using meta-learning patterns |
6 skills.
workflow — Strategic Discovery-to-Delivery
The full strategic planning chain from problem definition through validated deliverables. Full rigor — each skill enforces gates before proceeding.
| Skill | What Claude can do |
|---|---|
problem-framing | Define and validate the problem before analysis |
stakeholder-discovery | Map audiences, influence, and information needs |
market-context | Analyze competitive landscape and market dynamics |
competitive-analysis | Structured competitor teardown and positioning |
buyer-persona | Build JTBD-driven personas with behavioral detail |
business-case | Construct ROI models and investment theses |
prd-writing | Write product requirements using PR/FAQ method |
pitch-deck | Build investor or internal pitch narratives |
one-pager | Distill strategy into executive summary documents |
executive-briefing | Communicate at board level with precision |
assumption-audit | Validate every key claim with evidence |
stakeholder-review | Collect structured feedback and iterate |
12 skills. Designed as a chain: problem-framing → stakeholder-discovery →
market-context → competitive-analysis → buyer-persona → business-case →
deliverables → assumption-audit → stakeholder-review.
executive — Leadership & Organizational Execution
Leadership frameworks grounded in books by Munger, Taleb, Duke, Collins, and others. Standard rigor — guiding principles with source citations.
| Skill | What Claude can do |
|---|---|
strategy-clarity | Cut through ambiguity to define strategic direction |
devils-advocate | Stress-test proposals using inversion and fragility detection |
operational-excellence | Design systems for consistent execution |
platform-strategist | Evaluate and design platform business models |
ownership-coach | Build accountability and ownership culture |
first-90-days | Navigate leadership transitions effectively |
hiring-talent | Evaluate candidates beyond resume signals |
team-builder | Design and develop high-performing teams |
decision-frameworks | Apply structured decision-making under uncertainty |
9 skills.
narrative — Fiction & Storytelling
Fiction craft techniques from masters of story structure, character design, and world-building.
| Skill | What Claude can do |
|---|---|
fiction-architect | Design plot architecture with structural precision |
character-vulnerability | Create characters with authentic emotional depth |
world-building-logic | Build internally consistent fictional worlds |
dialogue-craft | Write dialogue that reveals character and advances plot |
4 skills.
rhetorician — Non-Fiction Writing & Persuasion
Writing craft for clarity, emotional resonance, and evidence-based persuasion.
| Skill | What Claude can do |
|---|---|
non-fiction-precision | Structure arguments with clarity and logical rigor |
copy-editor | Polish prose for grammar, rhythm, and consistency |
resonance-engine | Craft writing that connects emotionally with readers |
memo-stress-tester | Pressure-test memos and briefs for weak arguments |
scientific-advertising | Apply evidence-based advertising principles |
5 skills.
dealmaker — Negotiation & Interpersonal Skills
Negotiation and communication frameworks from Voss, Fisher, Cialdini, and others.
| Skill | What Claude can do |
|---|---|
negotiation-tactician | Apply tactical empathy and calibrated questions |
influence-architect | Design ethical influence strategies |
rapport-builder | Build trust and connection in professional contexts |
feedback-coach | Deliver and receive feedback effectively |
difficult-conversations | Navigate high-stakes interpersonal situations |
5 skills.
Installation
Option 1: Claude Code Marketplace (Recommended)
Register the marketplace and install plugins:
# Add the marketplace
/plugin marketplace add JoelLewis/skill-library
# Install individual plugins
/plugin install meta@skill-library
/plugin install workflow@skill-library
/plugin install executive@skill-library
/plugin install narrative@skill-library
/plugin install rhetorician@skill-library
/plugin install dealmaker@skill-library
Or browse available plugins interactively with /plugin → Discover tab.
Option 2: Clone and Copy
Copy skills directly into a project:
git clone https://github.com/JoelLewis/skill-library.git
mkdir -p /path/to/your/project/.claude/skills
# Copy a single plugin's skills
cp -r skill-library/plugins/executive/skills/* /path/to/your/project/.claude/skills/
# Or copy everything
for plugin in skill-library/plugins/*/; do
cp -r "$plugin"skills/* /path/to/your/project/.claude/skills/
done
What Gets Installed
your-project/
└── .claude/
└── skills/
├── getting-started/ # from meta
├── problem-framing/ # from workflow
├── devils-advocate/ # from executive
└── ...
After installing, Claude automatically picks up the skills. They appear in your available skills list and trigger based on context.
Repository Structure
skill-library/
├── .claude-plugin/
│ └── marketplace.json # Marketplace definition (6 plugins)
├── plugins/
│ ├── meta/
│ │ ├── .claude-plugin/plugin.json
│ │ └── skills/
│ │ ├── getting-started/SKILL.md
│ │ ├── using-skills/SKILL.md
│ │ └── ...
│ ├── workflow/ # 12 skills
│ ├── executive/ # 9 skills
│ ├── narrative/ # 4 skills
│ ├── rhetorician/ # 5 skills
│ └── dealmaker/ # 5 skills
├── CLAUDE.md # Claude Code project instructions
├── GEMINI.md # Extraction architecture spec
└── PROGRESS.md # Completion report
Skill Architecture
Two Rigor Levels
Full rigor (meta + workflow, 18 skills) enforce process:
- Iron Law — single non-negotiable constraint
- State Machine — Graphviz workflow diagram
- Rationalization Table — intercepts common shortcut-thinking
- Red Flags — thoughts that indicate process drift
- Diagnostic Checklist — testable acceptance criteria
Standard rigor (executive, narrative, rhetorician, dealmaker, 23 skills) encode expertise:
- Guiding Principles — foundational ideas with source citations
- Frameworks & Models — domain-specific mental models
- Common Mistakes — typical failure modes
- Diagnostic Checklist — validation criteria
Source Attribution
Every principle and framework cites its source book or article. No ungrounded methodologies. Sources include works by Voss, Fisher, Munger, Taleb, Duke, Cialdini, and 100+ other authors across 109 PDFs.
Skill Chaining
Skills declare requires and enhances dependencies in frontmatter. The workflow
family forms a validated chain — each skill gates the next.
License
MIT