Catalog
development skills
187 skills. Every one is readable here; downloads and live use need a subscription.
dependency-upgrade
Master major dependency version upgrades, compatibility analysis, staged upgrade strategies, and comprehensive testing approaches.
devcontainer-setup
Creates devcontainers with Claude Code, language-specific tooling (Python/Node/Rust/Go), and persistent volumes. Use when adding devcontainer support to a project, setting up isolated development environments, or configuring sandboxed Claude Code workspaces.
diagnosing-bugs
Diagnosis loop for hard bugs and performance regressions. Use when the user says "diagnose"/"debug this", or reports something broken/throwing/failing/slow.
distribute-skill-to-all-agents
Distribute a skill across configured agent skill folders while respecting local symlink layouts.
dotnet-architect
Expert .NET backend architect specializing in C#, ASP.NET Core, Entity Framework, Dapper, and enterprise application patterns.
dwarf-expert
Provides expertise for analyzing DWARF debug files and understanding the DWARF debug format/standard (v3-v5). Triggers when understanding DWARF information, interacting with DWARF files, answering DWARF-related questions, or working with code that parses DWARF data.
dx-optimizer
Developer Experience specialist. Improves tooling, setup, and workflows. Use PROACTIVELY when setting up new projects, after team feedback, or when development friction is noticed.
ecl-harness-engineer
Create or audit ECL Agent Harness infrastructure: AGENTS.md, change tracking, repository guidance, lint checks, CI gates, and agent handoff docs.
effective-agent-skills
Author and review high-quality agent skills with triggers, progressive disclosure, and safety notes.
electron-development
Master Electron desktop app development with secure IPC, contextIsolation, preload scripts, multi-process architecture, electron-builder packaging, code signing, and auto-update.
environment-setup-guide
Guide developers through setting up development environments with proper tools, dependencies, and configurations
error-debugging-error-analysis
You are an expert error analysis specialist with deep expertise in debugging distributed systems, analyzing production incidents, and implementing comprehensive observability solutions.
error-debugging-error-trace
You are an error tracking and observability expert specializing in implementing comprehensive error monitoring solutions. Set up error tracking systems, configure alerts, implement structured logging, and ensure teams can quickly identify and resolve production issues.
error-debugging-multi-agent-review
Use when working with error debugging multi agent review
error-detective
Search logs and codebases for error patterns, stack traces, and anomalies. Correlates errors across systems and identifies root causes.
error-diagnostics-error-analysis
You are an expert error analysis specialist with deep expertise in debugging distributed systems, analyzing production incidents, and implementing comprehensive observability solutions.
error-diagnostics-error-trace
You are an error tracking and observability expert specializing in implementing comprehensive error monitoring solutions. Set up error tracking systems, configure alerts, implement structured logging,
error-diagnostics-smart-debug
Use when working with error diagnostics smart debug
error-handling-patterns
Build resilient applications with robust error handling strategies that gracefully handle failures and provide excellent debugging experiences.
folder-specific-claude-and-agents-md
Create folder-scoped CLAUDE.md and AGENTS.md guidance for future agents working in that area.
fp-async
Practical async patterns using TaskEither - clean pipelines instead of try/catch hell, with real API examples
fp-backend
Functional programming patterns for Node.js/Deno backend development using fp-ts, ReaderTaskEither, and functional dependency injection
fp-data-transforms
Everyday data transformations using functional patterns - arrays, objects, grouping, aggregation, and null-safe access
fp-either-ref
Quick reference for Either type. Use when user needs error handling, validation, or operations that can fail with typed errors.
fp-errors
Stop throwing everywhere - handle errors as values using Either and TaskEither for cleaner, more predictable code
fp-option-ref
Quick reference for Option type. Use when user needs to handle nullable values, optional data, or wants to avoid null checks.
fp-pipe-ref
Quick reference for pipe and flow. Use when user needs to chain functions, compose operations, or build data pipelines in fp-ts.
fp-pragmatic
A practical, jargon-free guide to functional programming - the 80/20 approach that gets results without the academic overhead
fp-react
Practical patterns for using fp-ts with React - hooks, state, forms, data fetching. Works with React 18/19, Next.js 14/15.
fp-refactor
Comprehensive guide for refactoring imperative TypeScript code to fp-ts functional patterns
fp-taskeither-ref
Quick reference for TaskEither. Use when user needs async error handling, API calls, or Promise-based operations that can fail.
fp-ts-errors
Handle errors as values using fp-ts Either and TaskEither for cleaner, more predictable TypeScript code. Use when implementing error handling patterns with fp-ts.
fp-ts-pragmatic
A practical, jargon-free guide to fp-ts functional programming - the 80/20 approach that gets results without the academic overhead. Use when writing TypeScript with fp-ts library.
fp-ts-react
Practical patterns for using fp-ts with React - hooks, state, forms, data fetching. Use when building React apps with functional programming patterns. Works with React 18/19, Next.js 14/15.
fp-types-ref
Quick reference for fp-ts types. Use when user asks which type to use, needs Option/Either/Task decision help, or wants fp-ts imports.
framework-migration-code-migrate
You are a code migration expert specializing in transitioning codebases between frameworks, languages, versions, and platforms. Generate comprehensive migration plans, automated migration scripts, and
framework-migration-deps-upgrade
You are a dependency management expert specializing in safe, incremental upgrades of project dependencies. Plan and execute dependency updates with minimal risk, proper testing, and clear migration pa
framework-migration-legacy-modernize
Orchestrate a comprehensive legacy system modernization using the strangler fig pattern, enabling gradual replacement of outdated components while maintaining continuous business operations through ex
gdb-cli
GDB debugging assistant for AI agents - analyze core dumps, debug live processes, investigate crashes and deadlocks with source code correlation
global-chat-agent-discovery
Discover and search 18K+ MCP servers and AI agents across 6+ registries using Global Chat's cross-protocol directory and MCP server.
go-concurrency-patterns
Master Go concurrency with goroutines, channels, sync primitives, and context. Use when building concurrent Go applications, implementing worker pools, or debugging race conditions.
go-in-depth
Go in depth harness — fan-out web searches, fetch sources, adversarially verify claims, synthesize a cited report.
go-rod-master
Comprehensive guide for browser automation and web scraping with go-rod (Chrome DevTools Protocol) including stealth anti-bot-detection patterns.
go-rust-reverse
Reverse engineer stripped Go and Rust binaries: runtime recognition, pclntab/module metadata recovery, panic-string analysis, and idiomatic decompilation strategies.
graceful-shutdown
Implement graceful shutdown for servers and workers: drain connections, finish in-flight work, release resources, and exit cleanly on SIGTERM/SIGINT.
grpc-golang
Build production-ready gRPC services in Go with mTLS, streaming, and observability. Use when designing Protobuf contracts with Buf or implementing secure service-to-service transport.
hig-components-content
Apple Human Interface Guidelines for content display components.
hig-components-controls
Check for .claude/apple-design-context.md before asking questions. Use existing context and only ask for information not already covered.