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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.

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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.

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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.

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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.

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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.

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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.

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dealmaker — Negotiation & Interpersonal Skills

Negotiation and communication frameworks from Voss, Fisher, Cialdini, and others.