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Build and harden Ethereum smart contracts with Foundry, invariant testing, and battle-tested OpenZeppelin security patterns.

Build JavaScript and TypeScript apps with Bun, an all-in-one toolchain that replaces Node.js, npm, a bundler, and a test runner with one fast binary that executes TypeScript directly.

Build high-performance async REST APIs with FastAPI, Python's fastest-growing web framework. Automatic OpenAPI/Swagger documentation, type-safe validation with Pydantic, native async/await support, and dependency injection for clean architecture.

Build full-stack web apps with Svelte and SvelteKit. Minimal runtime overhead, reactive components, and server-side rendering. The most admired frontend framework of 2025. Svelte compiles components to vanilla JavaScript at build time, resulting in zero runtime overhead and exceptional performance.

Compile Rust, C++, or Go to WebAssembly and run it in the browser, Node.js, and serverless runtimes: wasm-bindgen JS interop, WASI for system access, the Component Model, and SIMD.

Master collaborative AI-assisted development with Windsurf IDE's Cascade AI, multi-file context awareness, and Flow patterns for team workflows.

Microsoft-maintained Agent Skills, plugins, custom agents, AGENTS.md templates, and MCP configurations for Azure SDKs, Microsoft Foundry, Microsoft 365 Agents SDK, Copilot SDK, MCP server building, and cloud solution work.

Agent Skills for Obsidian by Steph Ango, teaching Claude Code, Codex, OpenCode, and skills-compatible agents to work with Obsidian Flavored Markdown, Bases, JSON Canvas, Obsidian CLI, vaults, plugins, themes, and Defuddle-powered web-to-markdown extraction.

Official Python SDK for Model Context Protocol clients and servers, published as the `mcp` package on PyPI, with FastMCP server helpers, client support, tools, resources, prompts, stdio, SSE, Streamable HTTP, authentication, elicitation, sampling, logging, and standalone development tools.

Official Supabase Agent Skills for AI coding agents working with Supabase Database, Auth, Edge Functions, Realtime, Storage, Vectors, CLI, MCP, RLS, migrations, and Postgres performance.

Open-source workflow engine for AI coding agents that runs YAML-defined development processes with deterministic phases, isolated git worktrees, validation gates, and integration with Claude Code and other AI assistants.

MCP server and native Unreal Engine automation bridge for controlling UE5 projects, assets, actors, levels, Blueprints, Niagara, Sequencer, tests, screenshots, logs, and editor automation from Claude.

MCP server that gives Claude access to shadcn/ui component source, demos, blocks, metadata, and multi-framework implementations.

MCP server for AI-assisted development task planning, decomposition, dependency tracking, execution workflow state, reflection, and research mode.

Apache-2.0 code-first toolkit for building, running, evaluating, and deploying AI agents, workflows, tools, sessions, and multi-agent systems.

Build and review Hono TypeScript APIs for Cloudflare Workers, Bun, Deno, Node.js, Vercel, Netlify, and other Web Standards runtimes with routing, middleware, validation, RPC clients, OpenAPI generation, deployment checks, and production safety review.

Build and maintain NestJS backend APIs with modules, controllers, providers, dependency injection, configuration, validation pipes, guards, interceptors, exception filters, OpenAPI docs, testing, and production safety review.

Connect Claude to Supabase projects through the official MCP server with project scoping, read-only mode, and feature-group controls.

Terminal-first AI coding agent for local development workflows, codebase edits, and model-flexible automation.

Lona trading MCP provides AI-assisted strategy development, backtesting, market data, and portfolio analysis.

Master MCP server development from scratch. Create custom Claude Desktop integrations with TypeScript/Python in 60 minutes using production-ready patterns.

Build autonomous agents with the Claude Agent SDK and Claude Code subagents: the query loop, built-in tools, subagent delegation, and permission controls.

A CLAUDE.md rule that drives test-first development with Vitest: write a failing Vitest test, add the minimum code to pass, then refactor. It covers vitest.config setup, expect assertions, vi mocks and fake timers, coverage thresholds, and running specs in watch mode or once with vitest run.

Generate .cursorrules files for AI-native development with project-specific patterns, coding standards, and intelligent context awareness

Full-stack AI development specialist bridging frontend, backend, and AI/ML with AI-assisted coding workflows, intelligent code generation, and end-to-end type safety

Sends development activity updates to Discord channel for team collaboration. This Notification hook automatically sends rich embed messages to Discord webhooks when Claude Code activities occur, providing real-time team visibility into development workflows.

Analyzes and reports final bundle sizes when the development session ends.

Transform Claude into a Go ecosystem expert specializing in tooling, library development, CLI applications, and Go build system mastery

Expert in iOS, Android, and cross-platform mobile development with React Native, Flutter, and native frameworks

Automated security vulnerability scanning that integrates with development workflow to detect and prevent security issues before deployment.