Membrane.

Stateful serverless TypeScript for internal tools.

Example of a Membrane program that send a sms when a new subscriber is subscribed to a Mailchimp audience.

Subscribe to event

Send SMS notification

import { nodes, root, state } from "membrane";
const { mailchimp } = nodes;

export async function configure({ audienceId }) {
  const audience = mailchimp.audiences.one({ id: audienceId });
  state.name = await audience.name;
  await audience.subscribed.$subscribe(root.handler);
}

export async function handler(_, { event }) {
  await nodes.sms.send({
    message: `New subscriber on "${state.name}": ${event.email}`,
  });
}

Stateful serverless TypeScript for internal tools.

Durable Programs ....................................................................................................0

Cron Jobs and Timers ....................................................................................................

Membrane Web IDE ....................................................................................................2

The Graph ....................................................................................................

Graph-based Access Control ....................................................................................................4

Observability ....................................................................................................

Instantanous Deploys ....................................................................................................6

Step Debugger ....................................................................................................

Custom Exit Nodes ....................................................................................................8

HTTP Endpoints ....................................................................................................9

Open Source Drivers (APIs) ....................................................................................................10

Code completion ....................................................................................................

SMS Reminders ....................................................................................................

Discord Weather Bot ....................................................................................................1

Mailchimp Alerts ....................................................................................................2

Example of a Membrane program that send a sms when a new subscriber is subscribed to a Mailchimp audience.

Subscribe to event

Send SMS notification

import { nodes, root, state } from "membrane";
const { mailchimp } = nodes;

export async function configure({ audienceId }) {
  const audience = mailchimp.audiences.one({ id: audienceId });
  state.name = await audience.name;
  await audience.subscribed.$subscribe(root.handler);
}

export async function handler(_, { event }) {
  await nodes.sms.send({
    message: `New subscriber on "${state.name}": ${event.email}`,
  });
}

Follow Hacker News Users ....................................................................................................3

Airtable changes to Email ....................................................................................................4

Twitter Bot ....................................................................................................5

HTMX Form ....................................................................................................

Github Weekly Report ....................................................................................................7

Github Action Alert ....................................................................................................8

Github Commits on Discord ....................................................................................................9

Track HN Jobs in Google Sheets ....................................................................................................10

Mailchimp to airtable ....................................................................................................11

In this video we discuss 3 of the most important features of Membrane: Durability, The Graph, and Observability.

Clickable poster of the Features Walkthrough video

If you're curious about Membrane's architecture, Juan joined the devtools.fm podcast to talk through the nuts and bolts.

2024.09.13 Changelog 0.4 Navigator file explorer; share page improvements.
2024.09.06 Changelog 0.3 Support npm package types; Logs back navigation.
2024.08.30 Changelog 0.2 Logs UI upgrades and better onboarding UX (examples).
2024.08.23 Changelog 0.1 Improved Navigator context menu and driver install UX.
2024.06.19 Public Roadmap A Membrane program to share what we're working on.
2023.09.20 Progress Update #3 Simpler function signatures; built-in Google auth.
2023.09.13 Progress Update #2 Windows support and OOM handling.
2023.08.30 Progress Update #1 Internal logging architecture; improved HTTP UI.
2023.08.14 Progress Update #0 Exit nodes and Program Replays.

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