danieljvdm

danieljvdm / effect-cf

Public

Effect-native primitives for Cloudflare Workers and bindings.

44
0
89% credibility
Found May 20, 2026 at 44 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
TypeScript
AI Summary

effect-cf is a library that helps developers build applications for Cloudflare Workers using the Effect programming paradigm. It wraps Cloudflare's platform services (Workers for HTTP handling, Durable Objects for stateful computing, KV for key-value storage, D1 for databases, Queues for message processing, and Workflows for long-running tasks) into Effect-friendly abstractions. This allows developers to write Cloudflare applications using functional programming patterns they're comfortable with, while the library handles the technical details of connecting to Cloudflare's platform.

How It Works

1
💡 You want to build fast web services

You discover Cloudflare Workers lets you run code close to your users worldwide, and you want to use it for your next project.

2
🔧 You prefer organized, reliable code

You've heard about the Effect library for writing code that's easier to test and reason about, and you wish you could use it with Cloudflare.

3
✨ You find effect-cf

This library brings your favorite coding style to Cloudflare Workers, letting you write everything using Effect patterns.

4
🏗️ You define your services

You create your web handlers, data storage objects, and message queues as typed, reusable definitions that work like building blocks.

5
🎯 You write your business logic

Your application code stays clean and focused, while the library handles the messy details of connecting to Cloudflare's platform.

6
You have different needs
🗄️
Need data storage

You add KV namespaces for simple key-value storage, or D1 for database queries

🎮
Need stateful objects

You use Durable Objects for objects that keep state and communicate with each other

📬
Need background processing

You set up Queues to handle messages asynchronously

🚀 Your project comes to life

Your application runs on Cloudflare's global network, handling requests from anywhere with the clean, organized code you wrote.

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AI-Generated Review

What is effect-cf?

effect-cf brings the Effect programming framework to Cloudflare Workers and Durable Objects. Instead of juggling raw promises and platform-specific bindings, you get typed error handling, dependency injection, and functional composition across your entire Cloudflare stack. Workers, Durable Objects, KV, D1, Queues, Workflows, and WebSockets all plug into Effect's Context and Layer system, so your application logic stays inside one managed runtime.

Why is it gaining traction?

The key insight is that Cloudflare services are modeled as Context, Layer, and Effect values rather than raw platform APIs. Your code never touches promise-based Cloudflare bindings directly. Instead, you define services with tags, compose them into layers, and call them with Effect.gen. RPC methods auto-encode and decode through Schema definitions, and the Durable Object alarm scheduler handles SQLite-backed retries with configurable failure isolation.

Who should use this?

TypeScript developers already using Effect who want to run on Cloudflare Workers will find the most value here. If you're building complex Durable Object state machines with typed RPC between services, this library eliminates a lot of manual binding boilerplate. Teams needing durable alarm scheduling with retry logic will also benefit.

Verdict

This is a well-architected library for a specific niche: Effect users on Cloudflare. The documentation is solid and the coverage of Cloudflare primitives is comprehensive. With only 44 stars and an Effect 4 beta dependency, it carries real maturity risk. The credibility score sits at 0.8999999761581421%, reflecting its early stage. Evaluate it if Effect is already in your stack; wait if you need a battle-tested solution.

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