# Devin Jameson

> For agents: start with the [agent guide](https://ratstack.sh/llms.txt). Every page is Markdown by default; add `Accept: text/html` for HTML.

![Devin Jameson](/avatars/devinjameson.jpg)

Person · id `devinjameson` · updated 2026-11-02 · [all stars](/all-stars)

- GitHub: [devinjameson](https://github.com/devinjameson)
- X: [@devinjameson](https://x.com/devinjameson)
- Site: [foldkit.dev](https://foldkit.dev)

## Bio

- The GitHub profile reads "Building Foldkit, the frontend framework for correctness." ([source](https://github.com/devinjameson), checked 2026-11-02)
- Listed first among the contributors to foldkit/foldkit on GitHub. ([source](https://github.com/foldkit/foldkit/graphs/contributors), checked 2026-11-02)
- On X: "I made Vercel Domains, CAFE style. A fun excuse to hack with @Cloudflare, @alchemy\_run, @foldkit, and @EffectTS\_" ([source](https://x.com/devinjameson/status/2116009356521005124), checked 2026-11-02)

## Repos

- [foldkit/foldkit](https://github.com/foldkit/foldkit): 1158 stars (checked 2026-11-02)
  Packages: [`effect`](https://github.com/foldkit/foldkit/blob/main/packages/foldkit/package.json), [`@effect/platform-browser`](https://github.com/foldkit/foldkit/blob/main/packages/foldkit/package.json)
- [foldkit/foldkit-domains](https://github.com/foldkit/foldkit-domains): 28 stars. A domain search example built with Foldkit, with editable static HTML and hydration. (checked 2026-11-02)
  Packages: [`effect`](https://github.com/foldkit/foldkit-domains/blob/main/package.json), [`foldkit`](https://github.com/foldkit/foldkit-domains/blob/main/package.json), [`@foldkit/ui`](https://github.com/foldkit/foldkit-domains/blob/main/package.json), [`@foldkit/devtools`](https://github.com/foldkit/foldkit-domains/blob/main/package.json), [`alchemy`](https://github.com/foldkit/foldkit-domains/blob/main/infra/package.json), [`@alchemy.run/cloudflare`](https://github.com/foldkit/foldkit-domains/blob/main/infra/package.json)

## Topics

- `foldkit` ([source](https://github.com/devinjameson), checked 2026-11-02)

## On /news

- 2026-10-10 \[post] [A Foldkit Scene test for the Foldkit UI Toast](https://x.com/devinjameson/status/2108710271417999544) (x.com)
- 2026-10-09 \[post] [Foldkit proposes Layer-backed effects and typed application assembly](https://github.com/foldkit/foldkit/pull/1634) (github.com)

Why they're here: Entered on these /news rows: [1](https://foldkit.dev/blog/foldkit-0-159-0), [2](https://foldkit.dev/blog/foldkit-0-163-0). A person or channel enters through a /news row, contributions to a pinned CAFE stack package, CAFE code rat-stack vendors or credits, or sourced public work built on or teaching the CAFE stack.

To be removed from this page, [open an issue](https://github.com/joelhooks/rat-stack/issues/new?title=Remove%20all%20stars%20profile%3A%20devinjameson) in joelhooks/rat-stack. A removal ships with the next site update.
