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Effect Documentation

This Week in Effect - 2026-02-06

Davide Scognamiglio
Davide Scognamiglio
Project Manager
 Mirela Prifti
Mirela Prifti
Community Manager
 Michael Arnaldi
Michael Arnaldi
BDFL

Hi Effecters!

Welcome back to This Week In Effect (TWIE) - your weekly update of the latest developments in the Effect community and ecosystem.

Effect is a powerful TypeScript library that helps developers build complex, synchronous, and asynchronous programs. One key feature that sets Effect apart is how it leverages structured concurrency to provide features such as async cancellation and safe resource management, making it easier to build robust, scalable, and efficient programs.

To get started, below you’ll find links to our documentation as well as our guide for installing Effect. Enjoy!

Recent major updates:

 

Technology

Here are all the technical changes from the past week.

Effect Core

Effect AI

Effect CLI

Effect Cluster

Effect SQL

Effect Platform

General Chores

 

Community Events

The 6th edition of the Effect Paris Meetup, organized by Evryg and Galadrim was a success! A big thank you to the speakers, Swann Herrera, Thomas Dupont, and Benjamin Drighès, for their talks on Effect Scheduler, Domain Driven Design with Effect, and real-time AI orchestration. We look forward to the next Parisienne meetup 🇫🇷!

To stay informed about future events, visit our Effect Community Events calendar and subscribe for updates.

 

Community Highlights

 

  • Effect Schema is now natively integrated with Drizzle ORM!

 

  • Looks like Claude Opus is even more effect-pilled ✨

 

  • Polar is using Effect in production!

 

 

  • effect-redis - An experimental Effect wrapper for Redis, providing type-safe, composable Redis operations with support for transactions, pipelines, and all major Redis command groups. Project by envoy1084.

 

  • effect-gpt - A transformer-based LLM implementation built from scratch using Effect. The project covers tokenization, transformer architecture components, training, and inference, leveraging Effect’s service-based architecture and type-safe error handling. Project by erayack.

 

  • effect-url-shortener - A URL shortening API built with Effect that demonstrates functional programming principles, type-safe error handling, and composable effects. Project by bishalr0y.

 

  • ts-key-not-enum - A package for type-safe comparison of keyboard event .key properties with non-printable values. Project by nikelborm.

 

Effect Content Update

  • Effect Services & Layers (Office Hours 14)
Play

 

  • Orchestrating AI Coding Agents with Linear, Git Worktrees, and PR-based review | Hacking on Lalph 2
Play

 

 

  • Effect Office Hours 15 went live on Wednesday on X(Twitter)! The edited version will be on our YouTube channel soon.

 

Cause & Effect Podcast

Don’t forget to listen to our Cause & Effect podcast hosted by Johannes Schickling and available on YouTube, X(Twitter), and audio platforms like Spotify and Apple Podcast.

Adam Rankin, CTO at Warp, joined Johannes Schickling to talk about using Effect to bring structure and composability to a growing TypeScript codebase, enabling a small, fast-moving team to stay productive while shipping reliable payment & payroll systems.

Play

 

Effect Job Opportunities

More and more companies are adopting Effect in their projects. Here’s a list of companies looking for software engineers with Effect experience:

Disclaimer: Please note that these job postings are shared for informational purposes, and we encourage applicants to verify details directly with the hiring companies.

 

Effect Merch Store

The Effect Merch Store offers a selection of Effect-branded items designed for the community. All orders are processed and fully managed through Printful.

 

Closing Notes

That’s all for this week. Thank you for being a vital part of our community. Your feedback is highly valued as we fine-tune this format. Feel free to share your thoughts, and we’ll do our best to tailor it to the needs of our community.

Effect Community Team

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