rx.run is a lightweight CLI and runtime that instantly deploys any function to the cloud as you save it in your editor.
- for
- Developers who want fast, code-first serverless deployments, especially TypeScript users.
Key features
- Instant Deploy on Save — Automatically deploys a function to the cloud each time you save it in your editor.
- Zero-Config Infra — Sets up all required cloud infrastructure without manual configuration.
- Built-in Services — Provides secrets, storage, authentication, payments and more out of the box.
- CLI Runtime — Offers a simple command-line interface to manage and run deployed functions.
Use cases
- Deploy a serverless API endpoint directly from VS Code
- Add auth and payment handling to a function without extra services
- Prototype backend logic quickly without writing infrastructure code
- Iterate on data processing functions with instant cloud updates
rx.run vs alternatives
| Best for | Instant cloud functions from the editor | TypeScript CI/CD pipelines | Fast app releases | Infra automation via terminal | Vercel-style full-stack hosting |
|---|---|---|---|---|---|
| Pricing | Free | Free | Subscription | Subscription | Free |
| DevHunt upvotes | 4 | 158 | 85 | 65 | 68 |
| Launched | Sep 2024 | Jan 2024 | Apr 2024 | Apr 2026 | Jul 2026 |
- rx.run vs Fluent CI: Fluent CI focuses on CI/CD pipelines in TypeScript, not instant function deployment.
- rx.run vs Devzero: Devzero emphasizes rapid release cycles for whole apps, while rx.run targets single function deployment from the editor.
- rx.run vs Chaterm: Chaterm provides a terminal UI for infra automation, whereas rx.run automates deployment on file save.
- rx.run vs Spawned: Spawned offers a Vercel-like hosting platform for full projects; rx.run is a CLI for individual functions.
rx.run FAQ
How does rx.run deploy functions automatically?+
When you save a file, the rx CLI detects the change and pushes the function to the cloud, provisioning the necessary resources on the fly.
Do I need to configure cloud providers manually?+
No, rx.run handles all infrastructure setup automatically, so you don’t need to manage cloud accounts or resources yourself.
What built-in services are available?+
Each function gets built-in support for secrets, storage, authentication, payments and other common backend needs.
Is rx.run limited to TypeScript?+
It is optimized for TypeScript, but the core runtime can execute any JavaScript-compatible function.
Can I use rx.run from any editor?+
Yes, the CLI works with any editor that saves files to the filesystem; it watches for changes and deploys accordingly.
Summarized by DevHunt from rx.run · Sep 28, 2026. Details may change; check the official site.