The Open-Source
COLD Task Framework
COLD Task Framework
- Build observable, durable tasks on Postgres.
- Deploy to AWS, GCP, Heroku, Render, or Hyrex Cloud.

Get Started in 3 Easy Steps
Install the Library
Install the open-source library & decorate your functions.
Set Up Postgres
Provision a normal Postgres database in any cloud environment.
Run Hyrex Workers
Use the open-source Hyrex CLI to run workers in any cloud environment.
SDKs available in Python & Typescript

pip install hyrex
1from hyrex import HyrexRegistry
2
3hy = HyrexRegistry()
4
5@hy.task
6def onboard_user(user_email: str):
7 user_id = create_user_account(user_email)
8 send_welcome_email(user_id)
9 grant_access_to_system(user_id)
10
11# Some other part of your codebase
12onboard_user.send("henry@hyrex.io")
What does COLD mean?
Controllable
You control when, where, and how your tasks run
Observable
Logging by task, Open Telemetry data, and a beautiful open-source UI.
Large Scale (Scalable)
Your workloads become fully-horizontally scalable across any cloud setup.
Durable
You get a distributed, fault-tolerant cluster of workers that monitor one another and self-heal.