GitHub
narwhals
Effectively use Narwhals to write dataframe-agnostic code that works seamlessly across multiple Python dataframe libraries. Write correct type annotations for code using Narwhals.
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GitHub
metaxy
This skill should be used when the user asks to "define a feature", "create a BaseFeature class", "track feature versions", "set up metadata store", "field-level dependencies", "FieldSpec", "FeatureDep", "run m...
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GitHub
claude-improve-config
Self-reflect on the current session to identify mistakes and propose improvements to .claude configuration (CLAUDE.md, hooks, skills).
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GitHub
docs-page-frontmatter
Write YAML front matter for documentation pages with appropriate titles and descriptions for social cards.
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GitHub
hypothesis
Use Hypothesis for property-based testing to automatically generate comprehensive test cases, find edge cases, and write more robust tests with minimal example shrinking. Includes Polars parametric testing inte...
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GitHub
syrupy
Use syrupy for pytest snapshot testing to ensure the immutability of computed results, manage snapshots, customize serialization, and handle complex data structures with built-in matchers and filters.
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GitHub
l4
Write legal and regulatory rules as executable, type-checked code in L4, a functional programming language for computational law. Use when formalizing contracts, legislation, regulations, policies, or complianc...
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GitHub
squads-learn
Capture learnings after completing work. Use when finishing a task, fixing a bug, discovering a pattern, or learning something worth remembering for future sessions. Helps build institutional memory.
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GitHub
ai-tools
Manage AI CLI tools (Claude Code, Gemini CLI, Codex CLI). Use when user asks about AI tool versions, updates, installation, or wants to update their AI CLI tools. Detects installed tools, checks versions, and r...
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GitHub
data-modeling
Use when designing data models, database schemas, or choosing between modeling approaches. Covers dimensional modeling, star schema, data vault, entity-relationship design, and schema evolution.
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GitHub
api-security
Comprehensive API security guidance covering authentication methods, rate limiting, input validation, CORS, security headers, and protection against OWASP API Top 10 vulnerabilities. Use when designing API auth...
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GitHub
spec-management
Central authority for specification-driven development. Use when working with requirements, specifications, acceptance criteria, or any spec-driven workflow. Provides navigation to specialized skills and delega...
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GitHub
observability-patterns
Use when implementing observability strategy, correlating signals, or designing monitoring systems. Covers the three pillars (logs, metrics, traces) and their integration.
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GitHub
estimation-techniques
Back-of-envelope calculations for system design. Use when estimating QPS, storage, bandwidth, or latency for capacity planning. Includes latency numbers every programmer should know and common estimation patter...
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GitHub
gemini-token-optimization
Optimize token usage when delegating to Gemini CLI. Covers token caching, batch queries, model selection (Flash vs Pro), and cost tracking. Use when planning bulk Gemini operations.
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GitHub
content-workflow
Use when implementing editorial workflows, approval chains, scheduled publishing, or role-based content permissions. Covers workflow states, transitions, notifications, and workflow APIs for headless CMS.
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GitHub
event-modeling
Adam Dymitruk's Event Modeling methodology with swimlanes
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GitHub
cdn-architecture
Use when designing content delivery networks, caching strategies, or global content distribution. Covers CDN architecture, cache hierarchies, origin shielding, cache invalidation, and edge optimization.
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GitHub
codex-cli-docs
Single source of truth and librarian for ALL OpenAI Codex CLI documentation. Manages local documentation storage, scraping, discovery, and resolution. Use when finding, locating, searching, or resolving Codex C...
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GitHub
plantuml-syntax
Authoritative reference for PlantUML diagram syntax. Provides UML and non-UML diagram types, syntax patterns, examples, and setup guidance for generating accurate PlantUML diagrams.
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GitHub
agent-sdk-development
Central authority for Claude Agent SDK (TypeScript and Python SDKs). Covers SDK installation, authentication (Anthropic key, Bedrock, Vertex), sessions and resumption, forking sessions, streaming vs single mode...
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GitHub
permission-management
Central authority for Claude Code permissions. Covers permission system (tiered model, read-only, bash, file modification), permission rules (allow, ask, deny), rule precedence, permission modes (default, accep...
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GitHub
code-review-communication
Frameworks for giving and receiving code review feedback effectively. Use for PR comments, review strategies, handling disagreements, and balancing thoroughness with kindness.
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GitHub
onboarding
Developer environment setup guides for Windows, macOS, Linux, and WSL. Use when setting up development machines, installing tools, configuring environments, or following platform-specific setup guides. Covers p...
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