Agent skills
Skills you can use with AI coding agents, indexed from public GitHub repositories.
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reading-invoice
請求書の画像を読み取り構造化データを返す。 他のスキルから呼び出されるほか、直接ユーザーが呼び出すことも可能。
majiayu000/claude-skill-registry 163
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claude-usage
Report ground-truth Claude token consumption and estimated cost by parsing JSONL session files directly. Use when checking API spend, auditing token usage by project/session/model, generating daily/weekly/monthly cost reports, or diagnosing ccusage undercounting. Includes subagent files that ccusage ignores.
majiayu000/claude-skill-registry 163
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ln-771-logging-configurator
Configures structured logging (Serilog/.NET, structlog/Python)
majiayu000/claude-skill-registry 163
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code-review-excellence
Master effective code review practices to provide constructive feedback, catch bugs early, and foster knowledge sharing while maintaining team morale. Use when reviewing pull requests, establishing review standards, or mentoring developers.
majiayu000/claude-skill-registry 163
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git-commit
Creates git commits following Conventional Commits format with type/scope/subject. Use when user wants to commit changes, create commit, save work, or stage and commit. Enforces project-specific conventions from CLAUDE.md.
majiayu000/claude-skill-registry 163
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pci-compliance
Implement PCI DSS compliance requirements for secure handling of payment card data and payment systems. Use when securing payment processing, achieving PCI compliance, or implementing payment card security measures.
majiayu000/claude-skill-registry 163
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react-testing-library
React Testing Library patterns, queries, user events, and accessibility testing.
majiayu000/claude-skill-registry 163
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ln-621-security-auditor
Security audit worker (L3). Scans codebase for hardcoded secrets, SQL injection, XSS, insecure dependencies, missing input validation. Returns findings with severity (Critical/High/Medium/Low), location, effort, and recommendations.
majiayu000/claude-skill-registry 163
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implement_plan
Implement technical plans from thoughts/shared/plans with verification
majiayu000/claude-skill-registry 163
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ln-780-bootstrap-verifier
Orchestrates final verification - build, test, and container health checks
majiayu000/claude-skill-registry 163
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system-design
Design scalable distributed systems using structured approaches for load balancing, caching, database scaling, and message queues. Use when the user mentions "system design", "scale this", "high availability", "rate limiter", or "design a URL shortener". Covers common system designs and back-of-the-envelope estimation. For data fundamentals, see ddia-systems. For resilience, see release-it.
majiayu000/claude-skill-registry 163
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interpolation
Problem-solving strategies for interpolation in numerical methods
majiayu000/claude-skill-registry 163
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social-card-gen
Generate platform-specific social post variants (Twitter/X, LinkedIn, Reddit) from one source input. Works with or without Node.js script. Includes platform reasoning, quality review, and guardrails against cross-posting spam.
majiayu000/claude-skill-registry 163
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agent-crdt-synchronizer
Agent skill for crdt-synchronizer - invoke with $agent-crdt-synchronizer
majiayu000/claude-skill-registry 163
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lyric-reviewer
Reviews lyrics against a quality checklist before Suno generation. Use before generating tracks to catch rhyme, prosody, pronunciation, and structural issues.
majiayu000/claude-skill-registry 163
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cli-reference
Claude Code CLI commands, flags, headless mode, and automation patterns
majiayu000/claude-skill-registry 163
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172-java-diagrams
Use when you need to generate Java project diagrams — including UML sequence diagrams, UML class diagrams, C4 model diagrams, and UML state machine diagrams — through a modular, step-based interactive process that adapts to your specific visualization needs. Part of the skills-for-java project
majiayu000/claude-skill-registry 163
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campaign-analytics
Analyzes campaign performance with multi-touch attribution, funnel conversion, and ROI calculation for marketing optimization
majiayu000/claude-skill-registry 163
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ln-645-open-source-replacer
L3 Worker. Goal-based open-source replacement auditor: discovers custom modules (>100 LOC), analyzes PURPOSE via code reading, searches OSS alternatives via MCP Research (WebSearch, Context7, Ref), evaluates quality (stars, maintenance, license, CVE, API compatibility), generates migration plan.
majiayu000/claude-skill-registry 163
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beads-task-tracker
Use Beads (bd tool) for dependency-aware task tracking and long-horizon planning in coding projects. This skill should be used when working on complex multi-step projects that span multiple agent sessions, when discovering new work during implementation, or when explicit task dependency management would improve workflow organization and prevent context loss between sessions.
majiayu000/claude-skill-registry 163
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math-model-selector
Routes problems to appropriate mathematical frameworks using expert heuristics
majiayu000/claude-skill-registry 163
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ln-643-api-contract-auditor
API contract audit worker (L3). Checks layer leakage in method signatures, missing DTOs, entity leakage to API, inconsistent error contracts, redundant method overloads. Returns findings with penalty-based scoring + diagnostic sub-scores.
majiayu000/claude-skill-registry 163
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mermaid-renderer
Render Mermaid diagrams to images with theme customization and Markdown integration
majiayu000/claude-skill-registry 163
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sparc-methodology
SPARC development workflow: Specification, Pseudocode, Architecture, Refinement, Completion. A structured approach for complex implementations that ensures thorough planning before coding. Use when: new feature implementation, complex implementations, architectural changes, system redesign, integration work, unclear requirements. Skip when: simple bug fixes, documentation updates, configuration changes, well-defined small tasks, routine maintenance.
majiayu000/claude-skill-registry 163