Developer Tools

Configures Python projects with modern tooling (uv, ruff, ty) — creating projects, standalone scripts, and migrating from pip/Poetry/mypy/black.

Teaches agents to iteratively build websites using Stitch with an autonomous baton-passing loop pattern and browser automation.

Expert guidance for integrating shadcn/ui components — component discovery, installation, customization, and best practices.

Converts Stitch designs into modular Vite and React components using system-level networking and AST-based validation.

Reviews and authors Cloudflare Workers code against production best practices — streaming, floating promises, global state, secrets, bindings, and observability.

Builds AI agents on Cloudflare using the Agents SDK with state management, real-time WebSockets, scheduled tasks, tool integration, and chat capabilities.

Builds remote MCP servers on Cloudflare Workers with tools, OAuth authentication, and production deployment.

Analyzes web performance using Chrome DevTools MCP — Core Web Vitals (FCP, LCP, TBT, CLS), render-blocking resources, layout shifts, caching issues, and accessibility gaps.

Build sandboxed applications for secure code execution — AI code execution, code interpreters, CI/CD systems, and interactive dev environments.

Create and review Cloudflare Durable Objects — stateful coordination, RPC methods, SQLite storage, alarms, WebSockets, and testing with Vitest.

Build AI agents on Cloudflare Workers using the Agents SDK — stateful agents, durable workflows, real-time WebSocket apps, scheduled tasks, MCP servers, and React hooks.

Full Sentry SDK setup for Svelte and SvelteKit — error monitoring, tracing, session replay, and logging.

Full Sentry SDK setup for .NET — error monitoring, tracing, profiling, logging, and crons for ASP.NET Core, MAUI, WPF, Blazor, and Azure Functions.

Full Sentry SDK setup for Ruby — error monitoring, tracing, logging, profiling, and crons for Rails, Sinatra, Sidekiq, and Resque.

Full Sentry SDK setup for Go — error monitoring, tracing, logging, metrics, and crons with support for net/http, Gin, Echo, Fiber, and FastHTTP.

Full Sentry SDK setup for React — error monitoring, tracing, session replay, profiling, and logging for React 16+ with Router and Redux support.

Full Sentry SDK setup for Python — error monitoring, tracing, profiling, logging, metrics, and crons for Django, Flask, FastAPI, Celery, and more.

Full Sentry SDK setup for Next.js — error monitoring, tracing, profiling, logging, session replay, and AI monitoring for Next.js 13+ with App Router and Pages Router.

Creates Sentry alerts using the workflow engine API — supports email, Slack, PagerDuty, Discord, and other notification actions.

Finds and fixes production issues from Sentry using MCP — analyzes stack traces, breadcrumbs, traces, and context to identify root causes.

Django performance code review — finds N+1 queries, queryset inefficiencies, and ORM performance problems.

Simplifies and refines code for clarity, consistency, and maintainability while preserving all functionality.

Analyzes a repository to generate recommended Claude Code settings.json permissions — detects tech stack, build tools, and monorepo structure.

Iterates on a PR until CI passes — automates the feedback-fix-push-wait cycle for addressing CI failures and review feedback.

Finds bugs, security vulnerabilities, and code quality issues in local branch changes.

Creates pull requests following Sentry conventions for PR titles, descriptions, and issue references.

Creates commits following Sentry conventions with proper conventional commit format and issue references.

Code reviews following Sentry engineering practices — covers security, performance, testing, and design review for pull requests and code changes.

Upgrades a Next.js project to the latest version — reads package.json, fetches official migration guide, runs codemods, updates dependencies, walks through breaking changes.

Teaches the Next.js 16 Cache Components feature (PPR) — use cache directive, cacheLife(), cacheTag(), revalidateTag(), and cache invalidation patterns.

Next.js-specific best practices covering file conventions, RSC boundaries, async APIs, data patterns, error handling, route handlers, image/font optimization, bundling, and debugging.

React composition patterns that scale — compound components, state lifting, and internal composition to eliminate boolean prop proliferation in reusable component libraries.

Comprehensive React and Next.js performance optimization guidelines from Vercel Engineering covering 57 rules across 8 categories including waterfalls, bundle size, server-side performance, and data fetching.

MCP server for GitHub — manage repositories, issues, pull requests, branches, actions, and search code across organizations.

MCP server for Sentry — query error events, browse issues, view stack traces, and analyze crash-free rates across projects.

MCP server for Azure DevOps — manage work items, pipelines, repos, pull requests, and boards across Azure DevOps organizations.

MCP server for searching and querying AWS documentation — find service guides, API references, and best practices.

MCP server for Cloudflare Browser Rendering — take screenshots, generate PDFs, and extract content from web pages at the edge.

MCP server for searching and querying Cloudflare developer documentation using Vectorize for semantic search.

MCP server that provides current time in various timezones and time conversion between zones using IANA timezone identifiers.

MCP server that enables dynamic, reflective problem-solving through sequential thought chains with branching, revision, and hypothesis testing.

MCP server that provides persistent memory through a knowledge graph. Stores entities, relations, and observations in a local JSON file.

MCP server for Git repository operations — clone, status, diff, log, commit, branch, and checkout across local repositories.

MCP server providing file system access — read, write, move, search, and get directory listings within configurable allowed paths.

MCP server that fetches web content and converts it to markdown. Supports HTTP requests with configurable user-agent and content size limits.

Reference MCP server implementing all protocol features — resources, tools, prompts, sampling, and logging. Useful for testing MCP clients.

Python-based toolkit for testing local web applications using Playwright browser automation with server lifecycle management.

Suite of tools for creating multi-component Claude.ai HTML artifacts using React 18, TypeScript, Vite, Parcel, Tailwind CSS, and shadcn/ui.

Creates, modifies, and evaluates skills through structured testing with parallel subagent runs, grading, benchmarking, and description optimization.

Skill for creating high-quality MCP servers that enable LLMs to interact with external services. Covers deep research and planning, implementation, review and testing, and evaluation creation.