Claude Skills

Use when implementing rate limiting, throttling, or API quotas. Covers algorithms like token bucket and sliding window, plus distributed rate limiting patterns.

Authoritative reference for Mermaid diagram syntax. Provides diagram types, syntax patterns, examples, and platform integration guidance for generating accurate Mermaid diagrams.

OCaml 5 algebraic effects design patterns. Use when Claude needs to: (1) Design APIs that interact with effect-based schedulers, (2) Decide between effects vs exceptions, (3) Integrate libraries with Eio or affect, (4) Handle suspension vs error cases in streaming code, (5) Understand the layered effect design principle

Maintains changelogs following Keep a Changelog format, categorizes changes by type. Use when updating CHANGELOG, preparing releases, or documenting version changes.

Decision guidance for selecting the right diagram type and tool. Provides patterns for common visualization scenarios, tool comparison, and best practices.

Use when implementing service-to-service security, mTLS, or service mesh patterns. Covers mutual TLS, Istio, Linkerd, certificate management, and service mesh security configurations.

End-to-end ML system design for production. Use when designing ML pipelines, feature stores, model training infrastructure, or serving systems. Covers the complete lifecycle from data ingestion to model deployment and monitoring.

Create specialized agent experts with pre-loaded domain knowledge using the Act-Learn-Reuse pattern. Use when building domain-specific agents that maintain mental models via expertise files and self-improve prompts.

DevSecOps methodology guidance covering shift-left security, SAST/DAST/IAST integration, security gates in CI/CD pipelines, vulnerability management workflows, and security champions programs.

Use when designing Internal Developer Platforms (IDPs), building platform teams, or improving developer experience. Covers platform engineering principles, Backstage, portal design, and platform team structures.

Creates comprehensive README files with templates for different project types. Use when creating README, project documentation, or getting started guides.

Use when designing incident management processes, creating runbooks, or establishing on-call practices. Covers incident lifecycle, communication, and postmortems.

Design spec-based review workflows with visual proof and issue classification. Use when setting up review processes, validating against specifications, or implementing screenshot-based visual validation.

Assess agentic layer maturity using the 12-grade classification system (Class 1-3). Use when evaluating codebase readiness, identifying next upgrade steps, or tracking progress toward the Codebase Singularity.

Use when designing idempotent APIs, handling retries safely, or preventing duplicate operations. Covers idempotency keys, at-most-once semantics, and duplicate prevention.

4-step framework for system design interviews. Use when preparing for technical interviews, practicing whiteboard design, or structuring architectural discussions. Covers requirements gathering, high-level design, deep dives, and wrap-up.

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.

Organizes Ansible inventory files, manages host groups, and configures dynamic inventory. Use when organizing Ansible inventory, managing host groups, or setting up dynamic inventory sources.

Central authority for Claude-Gemini shared workspace architecture. Defines directory structure, artifact exchange, and file naming conventions. Use when setting up dual-CLI workflows, deciding where to store AI artifacts, or managing cross-CLI file exchange.

GitHub Spec Kit 5-phase workflow. Use when following the Constitution → Specify → Plan → Tasks → Implement cycle. Provides phase guidance, file templates, and workflow orchestration.

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 delegates to docs-management for official documentation.

Central authority for Gemini CLI sandboxing and isolation. Covers Docker, Podman, macOS Seatbelt profiles, and security boundaries. Use when enabling sandboxing, choosing sandbox methods, configuring Seatbelt profiles, or troubleshooting sandbox issues. Delegates 100% to gemini-cli-docs for official documentation.

Create custom React Native native modules for iOS and Android. Use when integrating native SDKs, optimizing performance-critical code, or accessing platform-specific APIs. Trigger words include "native module", "bridge", "native code", "iOS bridge", "Android bridge", "Turbo Module".

Choose appropriate model for custom agent tasks. Use when selecting between Haiku, Sonnet, and Opus for agents, optimizing cost vs quality tradeoffs, or matching model capability to task complexity.