Effect | TypeScript at Scale

This Week in Effect:

▸ New Cause & Effect episode w/ Dillon Mulroy
▸ effect-rx is now effect-atom
▸ 5000+ members on Discord 🎉

Catch up on the latest Effect content, updates, and job opportunities below:

effect.website/blog/this-we...

YouTube video by Effect | TypeScript at Scale ChEffect – A Local-First Meal Planning App written w/ Effect & LiveStore (PART 1)

ChEffect – A Local-First Meal Planning App written with/Effect & LiveStore (PART 1)

By Maxwell Brown & Tim Smart

youtu.be/_RejiHFeoaw

YouTube video by Kit Langton The Simple Secret Behind Effect’s Power

Effect — The Power of the Thunk

By Kit Langton

www.youtube.com/watch?v=F5aW...

YouTube video by Effect | TypeScript at Scale From Skeptic to Advocate: Scaling Effect at Vercel | Dillon Mulroy | Cause & Effect #4

"Effect has truly made us faster.

It has made us ship more reliable software across the board with better telemetry. We have distributed tracing that just works without headaches."

🎙️ New Cause & Effect episode with Dillon Mulroy, Domains Lead Vercel.

www.youtube.com/watch?v=rPKo...

This Week in Effect:

▸ Maxwell Brown @imax153 discussed Effect at the @DevtoolsFM podcast
▸ Debugging got two new panels: Span Stack & Current Fibers
▸ `Opaque Structs` - experimental feature in Effect Schema

More content and technical updates below:

effect.website/blog/this-we...

YouTube video by Effect | TypeScript at Scale Building an Effect API Provider Integration for Google (Part 2)

Building an Effect API Provider Integration for Google (Part 2)

By Maxwell Brown

youtu.be/f7ZW-fNpjBU

Effect 31.17 is here!

→ effect.website/blog/release...

YouTube video by Effect | TypeScript at Scale Building an Effect API Provider Integration for Google

Building an Effect API Provider Integration for Google

By Maxwell Brown

youtu.be/18DP0QqREV0

Effect, the gift that keeps on yield*ing. Tweet by Johannes Schickling

🤍

YouTube video by Effect | TypeScript at Scale Building an Effect-native MCP Server – Part 3

Building an Effect-native MCP Server – Part 3

w/ Maxwell Brown & Tim Smart

youtu.be/rxImOVe--lw

it has been so good to work with @effect-ts.bsky.social 🤘🏻

YouTube video by Effect | TypeScript at Scale Effect Development: Building an Effect Warehouse App (Part 6)

Building an Effect Warehouse App (Part 6)

by Mattia Manzati

www.youtube.com/watch?v=l2nN...

YouTube video by Effect | TypeScript at Scale Building a Retry Plan for AI Libraries with Effect

Building a Retry Plan for AI Libraries with Effect

by Maxwell Brown & Tim Smart

www.youtube.com/watch?v=KOZC...

YouTube video by Effect | TypeScript at Scale Building an Effect-native MCP Server – Part 2

Building an Effect-native MCP Server – Part 2

By Maxwell Brown

www.youtube.com/watch?v=de-R...

YouTube video by Effect | TypeScript at Scale Building an Effect-native MCP Server – Part 1

Building an Effect-native MCP Server – Part 1

By Maxwell Brown & Tim Smart

www.youtube.com/watch?v=fWzR...

YouTube video by Effect | TypeScript at Scale Rebuilding Contentlayer w/ Effect (Part 16)

Rebuilding Contentlayer with Effect (Part 16)

www.youtube.com/watch?v=35k-...

TS+ post-mortem

In our continuous quest to provide the best possible developer experience for Effect users, we embarked on creating TS+, a TypeScript compiler fork to unlock new possibilities for functional programming and maximize productivity.

🔗 effect.website/blog/ts-plus...

YouTube video by Effect | TypeScript at Scale Building an Effect Tracer using Chrome Performance API

Building an Effect Tracer using Chrome Performance API

By Mattia Manzati

youtu.be/ffpxRN0pcvE?...

🌟 10k times, thank you!

Effect just crossed 10,000 stars on GitHub.

To celebrate, we’re giving away Effect swag to a few folks who share how they’re using Effect in the wild! 🧢

Tell us about your Effect project ⤵️:

docs.google.com/forms/d/e/1F...

YouTube video by Matt Pocock Effect: the unreadable library that captured my heart

Effect: the unreadable library that captured my heart

By Matt Pocock @mattpocock.com

youtu.be/S2GChOwivwQ?...

I still remember your talk at Effect Days and it was a masterpiece!

Thank you again for have shared your experience.

GitHub - Effect-TS/language-service: Effect Language Service Plugin (LSP) Effect Language Service Plugin (LSP). Contribute to Effect-TS/language-service development by creating an account on GitHub.

Effect LSP:

github.com/Effect-TS/la...

Tired of messy auto-imports in your Effect code?

Every time fixing auto-imports manually...

This quick video by Mattia Manzati @mattiamanzati.bsky.social shows how the Effect LSP can make it seamless and automatic.

I sat down to talk about my work at MasterClass building with @effect-ts.bsky.social, have a listen!

Watch and listen also on:

Apple Podcasts: podcasts.apple.com/us/podcast/s...

Spotify: open.spotify.com/episode/3Gd5...

YouTube video by Effect | TypeScript at Scale Scaling Voice AI at MasterClass with Effect & TypeScript | David Golightly | Cause & Effect #3

In this Cause & Effect episode, Johannes Schickling talks with David Golightly about how MasterClass built Cortex with Effect.

Cortex is the voice AI orchestration layer powering personalized conversations with celebrity instructors like Gordon Ramsay and Mark Cuban.
www.youtube.com/watch?v=x2bU...

New Cause & Effect episode drops tomorrow 🎙️

David Golightly, Staff Engineer at MasterClass, shares how they built a real-time voice AI orchestration layer that lets you talk to Gordon Ramsay. 🧑‍🍳

Sneak peek:

YouTube video by Effect | TypeScript at Scale How we turn the Internet into a Database with Effect | Tim Suchanek (Effect Days 2025)

In this Lord of the Rings-themed talk from Effect Days 2025, Tim Suchanek shares how Expand AI uses Effect to:

▸ Auto-generate evals for AI output validation
▸ Resilience patterns with model fallbacks and retries
▸ Manage resources and interruptions with precision

www.youtube.com/watch?v=0C20...

@effect-ts.bsky.social is the way

YouTube video by Effect | TypeScript at Scale How DXOS uses Effect to transform Al | Dmytro Maretskyi (Effect Days 2025)

How DXOS built Composer, an app platform with real-time collaboration & automated AI workflows.

▸ Structured data between users & AI agents with Effect Schema
▸ Complex async pipelines & function execution
▸ Visual orchestration system (Conductor)

www.youtube.com/watch?v=e0eh...