Debugging
Find and fix bugs, error analysis
bug-impact-analyzer
by dykyi-roman
Analyzes bug fix blast radius. Determines affected code, dependencies, callers/callees, and potential side effects of changes.
debugging
by mrgoonie
Systematic debugging frameworks for finding and fixing bugs - includes root cause analysis, defense-in-depth validation, and verification protocols
python-services
by iliaal
Python patterns for CLI tools, async parallelism, and backend services. Use when building CLI apps, async/parallel Python, FastAPI services, background jobs, or configuring Python project tooling (uv, ruff, ty).
akka-streams
by alexandru
Scala reactive streaming with Akka Streams and Pekko Streams. Use for dataflow and reactive programming patterns, testing stream components, and understanding when NOT to use streams (prefer plain functions for transformations and I/O).
cats-mtl-typed-errors
by alexandru
Scala typed errors with Cats MTL Raise/Handle and allow/rescue. Use for designing custom domain error types without EitherT, while keeping Cats Effect and ecosystem composition. Covers Scala 2/3 syntax and IO-only or F[_] usage.
payuni-webhook
by paid-tw
Implements PAYUNi webhook handling including signature verification, replay attack prevention, and payment status updates. Use when building payment notification endpoints for 統一金流.
git-workflow
by LangConfig
"Expert guidance for Git workflows, branching strategies, and version control best practices. Use when managing repositories, resolving conflicts, or establishing team workflows."
go-error-handling
by cxuu
Comprehensive Go error handling patterns from Google and Uber style guides. Covers returning errors, wrapping with %w, sentinel errors, choosing error types, handling errors once, error flow structure, and logging. Use when writing Go code that creates, returns, wraps, or handles errors.
flowglad-usage-tracking
by flowglad
Implement usage-based billing with Flowglad including recording usage events, checking balances, and displaying usage information. Use this skill when adding metered billing, tracking API calls, or implementing consumption-based pricing.
flowglad-checkout
by flowglad
Implement checkout sessions for purchasing subscriptions and products with Flowglad. Use this skill when creating upgrade buttons, purchase flows, or redirecting users to hosted checkout pages.
flowglad-feature-gating
by flowglad
Implement feature access checks using Flowglad to gate premium features, create paywalls, and restrict functionality based on subscription status. Use this skill when adding paid-only features or checking user entitlements.
telnyx-api
by tdimino
Use this skill when working with Telnyx communication APIs for SMS/MMS messaging, voice calls, phone number management, messaging profiles, webhook integration, two-way SMS conversations, bulk sending, message scheduling, or production deployment of telephony features. v2.0 includes official Telnyx documentation, production patterns from Twilio-Aldea (Ed25519 signature validation, provider-agnostic webhooks, idempotency), and TypeScript code examples.
netlify-integration
by tdimino
Deploy and manage Netlify projects using Next.js with serverless functions, environment variables, and continuous deployment. Use this skill when working with Netlify deployments, configuring netlify.toml, managing Netlify Functions, debugging webhooks, setting environment variables, or troubleshooting deployment issues for Next.js applications on Netlify. Essential for Twilio-Aldea and similar serverless SMS/telephony projects. v2.0 includes official Netlify documentation, production patterns from Twilio-Aldea (webhook timeout solutions, background functions), and TypeScript code examples.
twilio-api
by tdimino
Use this skill when working with Twilio communication APIs for SMS/MMS messaging, voice calls, phone number management, TwiML, webhook integration, two-way SMS conversations, bulk sending, or production deployment of telephony features. Includes official Twilio patterns, production code examples from Twilio-Aldea (provider-agnostic webhooks, signature validation, TwiML responses), and comprehensive TypeScript examples.
automating-contacts
by SpillwaveSolutions
Automates macOS Contacts via JXA with AppleScript dictionary discovery. Use when asked to "automate contacts", "JXA contacts automation", "macOS address book scripting", "AppleScript contacts", or "Contacts app automation". Covers querying, CRUD, multi-value fields, groups, images, and ObjC bridge fallbacks.
automating-calendar
by SpillwaveSolutions
Automates macOS Calendar via JXA with AppleScript dictionary discovery. Use when asked to "create calendar events", "automate calendar", "JXA calendar scripting", "EventKit automation", or "PyXA calendar automation". Covers events, calendars, recurrence, time zones, batch operations, and EventKit ObjC bridge.
automating-reminders
by SpillwaveSolutions
Automates Apple Reminders using JavaScript for Automation (JXA). Use when asked to "create reminders programmatically", "automate reminder lists", "JXA Reminders scripting", or "manage reminders via automation". Covers list/reminder management, filtering with 'whose' queries, efficient creation via constructors and push operations, and copy-delete patterns for moving items.
workflow
by brianlovin
"Workflow orchestration for complex coding tasks. Use for ANY non-trivial task (3+ steps or architectural decisions) to enforce planning, subagent strategy, self-improvement, verification, elegance, and autonomous bug fixing. Triggers: multi-step implementation, bug fixes, refactoring, architectural changes, or any task requiring structured execution."
react-doctor
by brianlovin
Diagnose and fix React codebase health issues. Use when reviewing React code, fixing performance problems, auditing security, or improving code quality.
go-code-review
by cxuu
Quick-reference checklist for Go code review based on the Go Wiki CodeReviewComments. Maps to detailed skills for comprehensive guidance. Use when reviewing Go code or checking code against community style standards.
grpc
by claude-dev-suite
gRPC service development. Protocol Buffers (protobuf), service definitions, streaming (unary, server, client, bidirectional), interceptors, and code generation for Node.js, Go, Java, and Python. USE WHEN: user mentions "gRPC", "protobuf", "Protocol Buffers", ".proto", "grpc-js", "tonic", "grpc-java", "service mesh RPC" DO NOT USE FOR: REST APIs - use rest-api; GraphQL - use graphql; WebSocket - use real-time skills
gplay-purchase-verification
by tamtom
Server-side purchase verification for in-app products and subscriptions using Google Play Developer API. Use when implementing receipt validation in your backend.
api-rate-limiting
by aj-geddes
Implement API rate limiting strategies using token bucket, sliding window, and fixed window algorithms. Use when protecting APIs from abuse, managing traffic, or implementing tiered rate limits.
circuit-breaker-pattern
by aj-geddes
Implement circuit breaker patterns for fault tolerance, automatic failure detection, and fallback mechanisms. Use when calling external services, handling cascading failures, or implementing resilience patterns.