cloudflare-workers

Cloudflare Workers patterns for Worker runtime APIs, Durable Objects, KV, R2, D1, Queues, WebSockets, streaming responses, bindings, wrangler configuration, and deployment limits. Use when users mention Cloudflare Workers, Durable Objects, KV, R2, D1, Queues, wrangler, or edge runtime behavior.

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Repository: EpicenterHQ/epicenter
Last source activity: July 8, 2026 at 06:21
Detected SKILL.md language: English
Stars: 4,753
Forks: 376

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Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.

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npx skills add https://github.com/EpicenterHQ/epicenter --skill cloudflare-workers

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Read SKILL.md and any companion files shown by SkillsMP before deciding whether to install.

SKILL.md

Source instructions · Read-only preview

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agent-instructions

Create, revise, place, audit, evaluate, and validate repository agent instructions across AGENTS.md, CLAUDE.md, and `.agents/skills`. Use when adding or moving agent rules, deciding whether guidance belongs globally or in a skill or reference, writing or improving a skill, tuning routing descriptions, validating discovery, or reviewing instruction sprawl and composition.

2026-08-02

consult-claude

Give Claude one fresh, read-only, evidence-seeking independent judgment on a bounded question. Use when the user asks Codex to consult Claude or when an independent investigation would materially reduce risk in a high-stakes, ambiguous, architectural, product, planning, or clean-break decision. Do not use for implementation, an obvious bounded decision, or a continuing Claude conversation.

2026-08-02

delegate-claude

Launch and follow one durable Claude Code session that independently leads and implements a substantial mission. Use when the user asks Codex to have Claude execute or hand off the work, or when an ambitious, exploratory, multi-file task would benefit from a long-horizon collaborator. Do not use for an obvious bounded fix or to produce a copy-paste prompt; use handoff instead.

2026-08-02

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Cloudflare Workers

Reference Repositories

Cloudflare Docs - Workers, Durable Objects, KV, R2, D1, Queues, WebSockets, bindings, and deployment docs

Hono - TypeScript web framework commonly used on Workers

Upstream Grounding

When Worker runtime behavior, bindings, Durable Objects, WebSockets, streaming, cache APIs, service bindings, compatibility dates, limits, or wrangler configuration affect correctness, ask DeepWiki a narrow question against cloudflare/cloudflare-docs before relying on memory. Use honojs/hono as the grounding repo when the question is about Hono on Workers.

Verify decisive details against local generated Worker types, source, or official Cloudflare docs before changing code. Skip DeepWiki for stable Web API basics and repo-local deployment patterns already visible in the code.

Request Lifecycle Rules

Every async side effect must be awaited, returned, or passed to c.executionCtx.waitUntil(...). Floating promises are unsafe because the isolate can stop after the response.

Call waitUntil as a method on c.executionCtx. Do not destructure it.

Keep waitUntil work bounded and best-effort. Use Queues for guaranteed or long-running work.

For Hyperdrive plus pg, create a fresh pg.Client per request and close it after all queued work that uses the client settles. Hyperdrive is the pool.

Node-style database drivers require nodejs_compat in Worker configuration.

Skip generic response-header middleware, including CORS, for WebSocket upgrade requests. The 101 response headers are immutable.

Put stateful or long-lived WebSockets in Durable Objects. Prefer hibernation-aware APIs when the object owns many idle sockets.

Trust generated Worker binding types such as Cloudflare.Env; regenerate them when bindings or wrangler config change.