Types
Type checking and type generation
ux-lean-ux
by geekatron
"Lean UX hypothesis-driven design sub-skill for the /user-experience parent skill. Facilitates Build-Measure-Learn cycles using Jeff Gothelf and Josh Seiden's Lean UX methodology (3rd ed. 2021). Produces hypothesis backlogs, assumption maps, MVP experiment designs, and validated learning logs. Invoke when teams need hypothesis-driven iteration, assumption mapping, experiment design, or validated learning documentation. Invoked by ux-orchestrator during Wave 2 lifecycle-stage routing or when user intent is \"testing hypotheses\" during the \"During design\" stage. Triggers: lean UX, hypothesis, assumption mapping, build-measure-learn, MVP experiment, validated learning, experiment design, hypothesis backlog."
ast
by geekatron
Markdown AST operations for Jerry documents. Provides structured parse, query, modify, validate, and render operations on Jerry markdown files via the jerry ast CLI.
ux-jtbd
by geekatron
"Jobs-to-Be-Done research and analysis sub-skill for the /user-experience parent skill. Conducts JTBD job statement synthesis, switch interview analysis (Moesta/Spiek four forces), outcome-driven innovation (Ulwick ODI), and job mapping for tiny teams (1-5 people). Invoked by ux-orchestrator when users need to understand user motivations, map jobs to be done, identify switch triggers, or produce job maps with outcome expectations. Sub-skill of /user-experience; routed via ux-orchestrator lifecycle-stage triage. Triggers: JTBD, jobs to be done, switch interview, job mapping, user motivation, outcome, hiring criteria, user jobs, switch forces."
react-patterns
by jh941213
Comprehensive React 19 patterns expert covering Server Components, Actions, use() hook, useOptimistic, useFormStatus, useFormState, React Compiler, concurrent features, Suspense, and modern TypeScript development. Proactively use for any React development, component architecture, state management, performance optimization, or when implementing React 19's latest features.
acsets-algebraic-databases
by plurigrid
"ACSets (Attributed C-Sets): Algebraic databases with Specter-style bidirectional"
vvvv-fileformat
by tebjan
"Describes the .vl XML file format used by vvvv gamma — document structure, element hierarchy, ID system (base62 GUIDs), NodeReference/Choice patterns, Pins, Pads (IOBoxes), Links, ProcessDefinition/Fragment lifecycle, regions (If/ForEach/Cache), type definitions, TypeAnnotations, and property serialization. Use when generating, parsing, or modifying .vl files programmatically, or when understanding the structure of vvvv patches at the XML level."
acsets-algebraic-databases
by plurigrid
"ACSets (Attributed C-Sets): Algebraic databases with Specter-style bidirectional navigation. Category-theoretic formalism for relational databases."
vvvv-channels
by tebjan
Helps work with vvvv gamma's Channel system from C# — IChannelHub, public channels, [CanBePublished] attributes, hierarchical data propagation, channel subscriptions, bang channels, and spread sub-channels. Use when reading or writing public channels from C# nodes, publishing .NET types as channels, working with IChannelHub, subscribing to channel changes, or managing hierarchical channel state.
skill-review
by richtabor
Reviews and validates agent skills against best practices. Triggers on "review this skill", "check my skill", "validate skill", "is this skill well-written", or when creating/editing skills.
goal-analyzer
by huifer
分析健康目标数据、识别目标模式、评估目标进度,并提供个性化目标管理建议。支持与营养、运动、睡眠等健康数据的关联分析。
seo-geo-optimizer
by 199-biotechnologies
Comprehensive SEO/GEO/AEO analysis toolkit for optimizing content visibility across traditional search engines (Google, Bing), AI platforms (ChatGPT, Perplexity, Claude, Gemini, Grokipedia), answer engines (Google AI Overviews, Bing Copilot, featured snippets), voice assistants (Google Assistant, Siri, Alexa), and social media (Facebook, Twitter, LinkedIn, WhatsApp, Instagram). Analyzes HTML/Markdown/JSX files for metadata completeness, schema markup, keyword optimization, entity extraction, and generates multi-format audit reports with platform-specific recommendations.
ai-search-optimization
by manojbajaj95
Answer Engine Optimization (AEO) and Generative Engine Optimization (GEO) strategies for AI-powered search visibility in ChatGPT, Perplexity, Google AI Overviews, and other AI search platforms. Use when working with aeo, geo, ai search, chatgpt search, perplexity, ai overviews, generative search, llm visibility.
backlink-analyzer
by manojbajaj95
Analyzes backlink profiles to understand link authority, identify toxic links, discover link building opportunities, and monitor competitor link acquisition. Essential for off-page SEO strategy.
saas-accounting-system
by peterbamuhigire
"Implement a complete double-entry accounting system inside any SaaS app. Users enter transactions naturally (sales, expenses, inventory) while the system auto-posts journal entries under the hood. Produces both user-friendly reports and technical financial statements (Trial Balance, Balance Sheet, Income Statement, Cash Flow). Enforces 10000% accuracy with balanced entries and seamless void/reversal mechanics. Use when building any financial, ERP, POS, or inventory system that needs proper accounting."
green-invoice
by skills-il
Integrate Green Invoice (Morning) API for Israeli invoicing, receipts, client management, and payment processing. Use when user asks to create invoices via Green Invoice, generate hashbonit mas through Morning API, manage clients in Green Invoice, set up webhook automation for document creation, query documents or expenses, or mentions "Green Invoice", "Morning", "hashbonit yeruka", "greeninvoice API", Israeli cloud invoicing, or needs to create tax invoice-receipt (cheshbonit mas/kabala). Covers all 13 document types, 8 payment types, client CRUD, item catalog, and webhook integration. Do NOT use for SHAAM allocation numbers or Tax Authority e-invoice compliance (use israeli-e-invoice), Cardcom payment processing (use cardcom-payment-gateway), or Tranzila integration (use tranzila-payment-gateway).
introspect
by 0xDarkMatter
"Analyze Claude Code session logs - extract thinking blocks, tool usage stats, error patterns, debug trajectories. Triggers on: introspect, session logs, trajectory, analyze sessions, what went wrong, tool usage, thinking blocks, session history, my reasoning, past sessions, what did I do."
mcp-patterns
by 0xDarkMatter
"Model Context Protocol (MCP) server patterns for building integrations with Claude Code. Triggers on: mcp server, model context protocol, tool handler, mcp resource, mcp tool."
python-typing-patterns
by 0xDarkMatter
"Python type hints and type safety patterns. Triggers on: type hints, typing, TypeVar, Generic, Protocol, mypy, pyright, type annotation, overload, TypedDict."
sql-patterns
by 0xDarkMatter
"Quick reference for common SQL patterns, CTEs, window functions, and indexing strategies. Triggers on: sql patterns, cte example, window functions, sql join, index strategy, pagination sql."
python-async-patterns
by 0xDarkMatter
"Python asyncio patterns for concurrent programming. Triggers on: asyncio, async, await, coroutine, gather, semaphore, TaskGroup, event loop, aiohttp, concurrent."
code-stats
by 0xDarkMatter
"Analyze codebase with tokei (fast line counts by language) and difft (semantic AST-aware diffs). Get quick project overview without manual counting. Triggers on: how big is codebase, count lines of code, what languages, show semantic diff, compare files, code statistics."
atomise
by 0xDarkMatter
"Atom of Thoughts (AoT) reasoning - decompose complex problems into atomic units with confidence tracking and backtracking. For genuinely complex reasoning, not everyday questions. Triggers on: atomise, complex reasoning, decompose problem, structured thinking, verify hypothesis."
sqlite-ops
by 0xDarkMatter
"Patterns for SQLite databases in Python projects - state management, caching, and async operations. Triggers on: sqlite, sqlite3, aiosqlite, local database, database schema, migration, wal mode."
GNU Radio Flowgraph Assistant
by yoelbassin
Build, edit, validate, execute, and save GNU Radio flowgraphs using the gr-mcp tools. Use when the user wants to create, modify, or run a GNU Radio signal processing pipeline.