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Found 21 Skills
Build MCP servers on Cloudflare Workers - the only platform with official remote MCP support. TypeScript-based with OAuth, Durable Objects, and WebSocket hibernation. Prevents 24 documented errors. Use when: deploying remote MCP servers, implementing OAuth, or troubleshooting URL path mismatches, McpAgent exports, CORS issues, IoContext timeouts.
Cloudflare Workers, Pages, KV, D1, R2, and Durable Objects development best practices for edge computing applications.
This skill provides comprehensive knowledge for building applications with Cloudflare Sandboxes SDK, which enables secure, isolated code execution in full Linux containers at the edge. It should be used when executing untrusted code, running Python/Node.js scripts, performing git operations, building AI code execution systems, creating interactive development environments, or implementing CI/CD workflows that require full OS capabilities. Use when: Setting up Cloudflare Sandboxes, executing Python/Node.js code safely, managing stateful development environments, implementing AI code interpreters, running shell commands in isolation, handling git repositories programmatically, building chat-based coding agents, creating temporary build environments, processing files with system tools (ffmpeg, imagemagick, etc.), or when encountering issues with container lifecycle, session management, or state persistence. Keywords: cloudflare sandbox, container execution, code execution, isolated environment, durable objects, linux container, python execution, node execution, git operations, code interpreter, AI agents, session management, ephemeral container, workspace, sandbox SDK, @cloudflare/sandbox, exec(), getSandbox(), runCode(), gitCheckout(), ubuntu container
Use when building or maintaining real-time collaborative apps with the DeepSpace SDK on Cloudflare Workers — scaffolding new apps, adding features, debugging a `worker.ts` that imports from `deepspace` / `deepspace/worker` or uses `RecordRoom`, `__DO_MANIFEST__`, or `npx deepspace`. Also use when the user mentions DeepSpace or app.space, or asks for anything involving real-time sync, multiplayer state, live cursors / presence, whiteboards or canvases, collaborative text editing (Yjs), channel-based chat, per-role permissions (RBAC), Durable Object rooms, Stripe-backed subscriptions / paywalls / one-time products / tips / refunds, or one-package deploy to `.app.space` — even if they don't name DeepSpace explicitly.
Add real-time or turn-based multiplayer to an existing browser game using PartyKit (Cloudflare Durable Objects). Scaffolds a room-based server, a NetworkManager client, EventBus events, GameState fields, Constants, and extends render_game_to_text(). Use when the user says "add multiplayer", "make this multiplayer", "add real-time co-op", "add online play", "scaffold multiplayer", or "add netcode". Do NOT use for solo leaderboards (use monetize-game), single-player AI opponents (use add-feature), or peer-to-peer/WebRTC games.
Build AI agents with Cloudflare Agents SDK on Workers + Durable Objects. Provides WebSockets, state persistence, scheduling, and multi-agent coordination. Prevents 23 documented errors. Use when: building WebSocket agents, RAG with Vectorize, MCP servers, or troubleshooting "Agent class must extend", "new_sqlite_classes", binding errors, WebSocket payload limits.
Base44 realtime actors: stateful server rooms over WebSockets (Durable Objects) under base44/actors/<Name>/entry.ts for multiplayer, collaborative boards, presence, live cursors, chat rooms and auctions, with the actor contract, rules and the React client. Use when users interact live in one shared session.
Build backends with @alchemy.run/domain (domain-driven design on Effect) - turn requirements into aggregates, commands, events, rejections, views, policies, sagas, projections, streams, queries, external systems and Apis; lay them out in a monorepo (domain / server / web packages, kind-suffixed files); test them with stories; host them on Cloudflare Durable Objects with alchemy; and drive them from a foldkit frontend. Use when designing or changing an @alchemy.run/domain model, adding a building block, wiring hosting or a frontend, or reviewing such code.
Cloudflare Workers provides comprehensive guidance for building edge-first applications using Durable Objects, KV, R2, D1, AI bindings, and Vectorize.