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mailman
Guidance for setting up and configuring mailing list servers with Postfix and Mailman3. This skill should be used when tasks involve configuring email servers, mailing list management, LMTP integration, or mail delivery pipelines. Applies to tasks requiring Postfix-Mailman integration, subscription workflows, or email broadcast functionality.
pypi-server
Guide for setting up local PyPI servers to host and serve Python packages. This skill should be used when tasks involve creating a local PyPI repository, serving Python packages over HTTP, building distributable Python packages, or testing pip installations from a custom index URL.
casadi-ipopt-nlp
Nonlinear optimization with CasADi and IPOPT solver. Use when building and solving NLP problems: defining symbolic variables, adding nonlinear constraints, setting solver options, handling multiple initializations, and extracting solutions. Covers power systems optimization patterns including per-unit scaling and complex number formulations.
shell-tools
Production-grade shell tools - jq, xargs, parallel, pipelines
uv
This skill should be used when creating new Python projects or managing Python dependencies. IMPORTANT - uv must ALWAYS be used for any Python-related commands in Python projects (running scripts, installing packages, creating virtual environments, etc.). Never use pip, python directly, or other package managers - always use uv commands (uv run, uv add, uv pip, etc.).
pubchem-database
Query PubChem via PUG-REST API/PubChemPy (110M+ compounds). Search by name/CID/SMILES, retrieve properties, similarity/substructure searches, bioactivity, for cheminformatics.
claude-on-rails
Imported from https://www.skillhub.club/skills/obie-claude-on-rails.
zustand-state-management
Build type-safe global state in React with Zustand. Supports TypeScript, persist middleware, devtools, slices pattern, and Next.js SSR with hydration handling. Prevents 6 documented errors. Use when setting up React state, migrating from Redux/Context, or troubleshooting hydration errors, TypeScript inference, infinite render loops, or persist race conditions.
figma
Integrate with Figma API for design automation and code generation. Use when extracting design tokens, generating React/CSS code from Figma components, syncing design systems, building Figma plugins, or automating design-to-code workflows. Triggers on Figma API, design tokens, Figma plugin, design-to-code, Figma export, Figma component, Dev Mode.
nuxt-server
Imported from https://github.com/secondsky/claude-skills.
bun-hono-integration
Use when building APIs with Hono framework on Bun, including routing, middleware, REST APIs, context handling, or web framework features.
bun-hot-reloading
Imported from https://github.com/secondsky/claude-skills.
bun-sveltekit
This skill enables building and running SvelteKit applications with Bun runtime, providing faster development/build speeds and seamless integration with Bun-specific APIs like SQLite database operations and file handling.
bun-http-server
This skill enables building high-performance HTTP servers using Bun.serve(), providing capabilities for request/response handling, routing, REST API implementation, body parsing, and server configuration with built-in error handling.
cloudflare-full-stack-integration
This skill provides production-tested patterns for seamlessly connecting a React frontend to a Cloudflare Workers backend using Hono and Clerk authentication. It solves common issues like CORS errors, token mismatches, and race conditions, offering ready-to-use templates for API clients, middleware, and configuration.
cloudflare-workers-dev-experience
Cloudflare Workers local development with Wrangler, Miniflare, hot reload, debugging. Use for project setup, wrangler.jsonc configuration, or encountering local dev, HMR, binding simulation errors.
bun-websocket-server
This skill provides guidance for creating WebSocket servers in Bun, including real-time communication setup, pub/sub patterns, broadcasting messages, and managing socket connections with built-in Bun.serve() functionality.
bun-nuxt
This skill enables running Nuxt 3 applications with the Bun runtime for significantly faster development and production performance, providing configuration examples and direct access to Bun's native APIs within Nuxt server routes and utilities.
cloudflare-durable-objects
This skill provides comprehensive guidance for implementing Cloudflare Durable Objects, enabling stateful coordination, real-time applications, and persistent storage with features like WebSocket hibernation, alarms, and SQLite for chat, multiplayer games, and session management.
auto-animate
AutoAnimate provides zero-config, lightweight animations for React applications, enabling automatic transitions for lists, accordions, and toasts while preventing common SSR and accessibility issues with minimal setup.
cloudflare-nextjs
Imported from https://github.com/secondsky/claude-skills.
cloudflare-workers-observability
This skill provides production-grade observability for Cloudflare Workers, enabling structured logging, metrics collection, tracing, and alerting to help developers monitor, debug, and optimize their serverless applications effectively.
bun-test-lifecycle
This skill provides Bun test lifecycle hooks (beforeAll, afterAll, beforeEach, afterEach) for structured test setup and teardown, enabling clean database connections, server management, and mock handling to ensure isolated and reliable test execution.
log-debug-issue
Log problems, bugs, and debugging processes with solutions. Use when encountering issues during development, debugging problems, or documenting solutions for future reference. Maintains DEBUG_LOG.md with structured problem-solution entries.