Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
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uv-package-manager
Master the uv package manager for fast Python dependency management, virtual environments, and modern Python project workflows. Use when setting up Python projects, managing dependencies, or optimizing Python development workflows with uv.
majiayu000/claude-skill-registry 163
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error-message-explainer
Interprets Arduino/ESP32/RP2040 compiler errors in plain English for beginners. Use when user shares error messages, compilation failures, upload problems, or asks "what does this error mean". Covers common errors like undefined references, type mismatches, missing libraries, and board-specific issues.
majiayu000/claude-skill-registry 163
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event-sourcing-coder
Record domain events and dispatch to inbox handlers for side effects, audit trails, and activity feeds. Use when building activity logs, syncing external services, or decoupling event creation from processing. Triggers on event recording, audit trails, activity feeds, or inbox patterns.
majiayu000/claude-skill-registry 163
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flask-smorest-api
Set up Flask REST API with flask-smorest, OpenAPI docs, blueprint architecture, and dataclass models. Use when creating a new Flask API server, building REST endpoints, or setting up a production API.
majiayu000/claude-skill-registry 163
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codebase-navigation
Navigate, search, and understand project structures. Use when onboarding to a codebase, locating implementations, tracing dependencies, or understanding architecture. Provides patterns for file searching with Glob, code searching with Grep, and systematic architecture analysis.
majiayu000/claude-skill-registry 163
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hypothesis-generation
Structured hypothesis formulation from observations. Use when you have experimental observations or data and need to formulate testable hypotheses with predictions, propose mechanisms, and design experiments to test them. Follows scientific method framework. For open-ended ideation use scientific-brainstorming; for automated LLM-driven hypothesis testing on datasets use hypogenic.
majiayu000/claude-skill-registry 163
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otel-expert
Use this when working with OpenTelemetry, telemetry, observability, traces, spans, metrics, logs, OTLP, semantic conventions, or instrumentation. Triggers on questions like "what attributes should I use", "how do I configure the collector", "what's the semconv for X".
majiayu000/claude-skill-registry 163
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flow-resume
Resume interrupted flow:work session from last checkpoint. Reads flow-progress.txt to restore context and continue work.
majiayu000/claude-skill-registry 163
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windsurf-common-errors
Diagnose and fix Windsurf common errors and exceptions.
Use when encountering Windsurf errors, debugging failed requests,
or troubleshooting integration issues.
Trigger with phrases like "windsurf error", "fix windsurf",
"windsurf not working", "debug windsurf".
majiayu000/claude-skill-registry 163
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medium-300-500ms
Use when building standard animations between 300-500ms - page transitions, significant UI changes, animated illustrations that need clear communication
majiayu000/claude-skill-registry 163
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td-logistic-regression
Logistic regression for binary and multinomial classification
majiayu000/claude-skill-registry 163
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time-formatter
Automatically detect time/date mentions in user messages and convert them to
multiple timezones or formats. Use when user mentions times, dates, or asks
about timezone conversions. Examples: "15:00 Berlin time", "What time is 3 PM EST in Tokyo?",
"Convert 2025-01-15 10:00 CET to PST".
majiayu000/claude-skill-registry 163
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bun-patterns
Bun package manager and runtime best practices
majiayu000/claude-skill-registry 163
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agent-django-developer
Expert Django developer mastering Django 4+ with modern Python practices. Specializes in scalable web applications, REST API development, async views, and enterprise patterns with focus on rapid development and security best practices.
majiayu000/claude-skill-registry 163
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statusline-setup
Guide for configuring Claude Code's status line with customizable display options and progress bars. This skill should be used when setting up or customizing the status line display.
majiayu000/claude-skill-registry 163
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system-monitoring
System resource monitoring including CPU, memory, disk, and network statistics. Use when checking system health, diagnosing performance issues, or monitoring resources.
majiayu000/claude-skill-registry 163
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accessible-web-dev
Build WCAG 2.1 AA compliant web applications for University of Sheffield. Covers semantic HTML, ARIA patterns, form accessibility, keyboard navigation, color contrast, alt text, captions, and automated testing. Use when creating websites, web apps, forms, interactive components, or auditing accessibility for WCAG compliance, screen readers, keyboard access, or inclusive design.
majiayu000/claude-skill-registry 163
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vyper
Vyper compiler internals - AST nodes, type system, compilation pipeline, IR generation for debugging codegen bugs
majiayu000/claude-skill-registry 163
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pycharm-refs
This skill should be used when agents need to provide clickable code references to users in reports, investigations, or bug findings. It ensures file references use the simple path:line_number format that Claude Code automatically converts to clickable links. Do not use for general documentation or conceptual explanations.
majiayu000/claude-skill-registry 163
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security-analyzer
Comprehensive security vulnerability analysis for codebases and infrastructure. Scans dependencies (npm, pip, gem, go, cargo), containers (Docker, Kubernetes), cloud IaC (Terraform, CloudFormation), and detects secrets exposure. Fetches live CVE data from OSV.dev, calculates risk scores, and generates phased remediation plans with TDD validation tests. Use when users mention security scan, vulnerability, CVE, exploit, security audit, penetration test, OWASP, hardening, dependency audit, container security, or want to improve security posture.
majiayu000/claude-skill-registry 163
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single-or-array-pattern
Pattern for functions that accept either a single item or an array. Use when creating CRUD operations, batch processing APIs, or factory functions that should flexibly handle one or many inputs.
majiayu000/claude-skill-registry 163
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docs-keeper
Documentation organization, maintenance, and cleanup.
USE WHEN: organizing docs, cleaning project root, updating documentation,
checking for redundancy, maintaining docs structure.
NOT FOR: technical implementation (use relevant technical skill).
Examples:
<example>
Context: User added documentation to wrong location.
user: "I added a new API doc file to the root directory"
assistant: "I'll use docs-keeper to organize it in the proper docs/ location."
<commentary>File organization is docs-keeper responsibility.</commentary>
</example>
<example>
Context: User needs to update docs after code changes.
user: "I modified the auth system and need to update the docs"
assistant: "I'll use docs-keeper to update the authentication documentation."
<commentary>Documentation updates are docs-keeper responsibility.</commentary>
</example>
majiayu000/claude-skill-registry 163
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minimalist-portfolio-design
Minimalist, typography-focused portfolio design system inspired by neo-brutalist and Swiss design principles. Emphasizes bold typography, generous whitespace, monochromatic color schemes, and elegant simplicity for developer/designer portfolios.
majiayu000/claude-skill-registry 163
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hook-creator
Create and configure Claude Code hooks for customizing agent behavior. Use when the user wants to (1) create a new hook, (2) configure automatic formatting, logging, or notifications, (3) add file protection or custom permissions, (4) set up pre/post tool execution actions, or (5) asks about hook events like PreToolUse, PostToolUse, Notification, etc.
majiayu000/claude-skill-registry 163