# CAFE all stars

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

People and channels with a /news row, pinned CAFE stack contributions, CAFE code rat-stack vendors or credits, or sourced public CAFE work. Every fact links to its source and the date we checked it.

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.

Agents can call `listPeople`, `readPerson`, `searchPeople`, `listChannels` and `peopleFor` over MCP, HTTP or code mode. [Atom feed](/all-stars.xml).

## People

- [Adam Rankin](/all-stars/rankincodes) `rankincodes`: Adam Rankin is the leading contributor to effect-mq, an Effect v4 background-job library. ([source](https://github.com/TeamWarp/effect-mq/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/rankincodes)
- [Alex](/all-stars/agcty) `agcty`: Alex is one of Alchemy’s top listed contributors. ([source](https://github.com/alchemy-run/alchemy/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/agcty)
- [Arman Charan](/all-stars/armancharan) `armancharan`: Arman Charan contributes to Foldkit. ([source](https://github.com/foldkit/foldkit/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/armancharan)
- [Dan van der Merwe](/all-stars/danieljvdm) `danieljvdm`: Dan van der Merwe is the leading contributor to @yielded/effect-tsrs. ([source](https://github.com/yielded-dev/effect-tsrs/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/danieljvdm)
- [David Khourshid](/all-stars/davidkpiano) `davidkpiano`: David Khourshid added the experimental @xstate/effect integration to XState. ([source](https://github.com/statelyai/xstate/pull/5687), checked 2026-11-04)
  Links: [GitHub](https://github.com/davidkpiano)
- [Devin Jameson](/all-stars/devinjameson) `devinjameson`: The GitHub profile reads "Building Foldkit, the frontend framework for correctness." ([source](https://github.com/devinjameson), checked 2026-11-02)
  Links: [GitHub](https://github.com/devinjameson), [X](https://x.com/devinjameson), [Site](https://foldkit.dev)
  Built: [foldkit/foldkit](https://github.com/foldkit/foldkit) (1158 stars, checked 2026-11-02), [foldkit/foldkit-domains](https://github.com/foldkit/foldkit-domains) (28 stars, checked 2026-11-02)
- [Dicha Zelianivan Arkana](/all-stars/elianiva) `elianiva`: Dicha Zelianivan Arkana contributes to Foldkit. ([source](https://github.com/foldkit/foldkit/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/elianiva)
- [Dillon Mulroy](/all-stars/dmmulroy) `dmmulroy`: Dillon Mulroy’s anti-slop supplies Oxlint rules for TypeScript and JavaScript. ([source](https://github.com/dmmulroy/anti-slop), checked 2026-11-04)
  Links: [GitHub](https://github.com/dmmulroy)
- [Ethan Niser](/all-stars/ethanniser) `ethanniser`: Ethan Niser’s Effect by Example collects explained Effect snippets. ([source](https://github.com/ethanniser/effect-by-example), checked 2026-11-04)
  Links: [GitHub](https://github.com/ethanniser)
- [Filip Falcon](/all-stars/filipfalcon) `filipfalcon`: Filip Falcon contributes to Foldkit. ([source](https://github.com/foldkit/foldkit/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/filipfalcon)
- [Giulio Canti](/all-stars/gcanti) `gcanti`: Giulio Canti is one of Effect’s top listed contributors. ([source](https://github.com/Effect-TS/effect/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/gcanti)
- [Jem](/all-stars/jem-computer) `jem-computer`: The GitHub profile reads "your favorite technologists’ favorite technologist". ([source](https://github.com/jem-computer), checked 2026-11-02)
  Links: [GitHub](https://github.com/jem-computer), [GitHub](https://github.com/Manzanita-Research), [X](https://x.com/sheherenow_), [Site](https://jem.computer)
  Built: [Manzanita-Research/pleat](https://github.com/Manzanita-Research/pleat) (32 stars, checked 2026-11-02), [Manzanita-Research/foldkit-native](https://github.com/Manzanita-Research/foldkit-native) (32 stars, checked 2026-11-02), [Manzanita-Research/foldkit-dials](https://github.com/Manzanita-Research/foldkit-dials) (14 stars, checked 2026-11-02)
- [Joel Hooks](/all-stars/joelhooks) `joelhooks`: GitHub describes joelhooks/rat-stack as an "Agentic TypeScript scaffold: Effect 4, XState 6 + @xstate/effect, Alchemy infra". ([source](https://github.com/joelhooks/rat-stack), checked 2026-11-02)
  Links: [GitHub](https://github.com/joelhooks), [X](https://x.com/joelhooks), [YouTube](https://www.youtube.com/@JoelHooks), [Site](https://ratstack.sh)
  Built: [joelhooks/rat-stack](https://github.com/joelhooks/rat-stack) (140 stars, checked 2026-11-02), [joelhooks/rat-king](https://github.com/joelhooks/rat-king) (41 stars, checked 2026-11-02)
- [John Royal](/all-stars/john-royal) `john-royal`: John Royal is one of Alchemy’s top listed contributors. ([source](https://github.com/alchemy-run/alchemy/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/john-royal)
- [Jordan Coeyman](/all-stars/acoyfellow) `acoyfellow`: GitHub describes acoyfellow/coil as "One thread, one agent, one computer. Pi Durable and a Cloudflare Container in one Durable Object, compacted together." ([source](https://github.com/acoyfellow/coil), checked 2026-11-02)
  Links: [GitHub](https://github.com/acoyfellow), [X](https://x.com/acoyfellow), [Site](https://coey.dev)
  Built: [acoyfellow/coil](https://github.com/acoyfellow/coil) (42 stars, checked 2026-11-02), [acoyfellow/my-ax](https://github.com/acoyfellow/my-ax) (37 stars, checked 2026-11-02), [acoyfellow/tardigrade](https://github.com/acoyfellow/tardigrade) (13 stars, checked 2026-11-02)
- [jtbeckman](/all-stars/jtbeckman) `jtbeckman`: jtbeckman contributes to c0, an open-source agent platform. ([source](https://github.com/Consensys/c0/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/jtbeckman)
- [Julia Ortiz](/all-stars/julia-script) `julia-script`: On X: "I kinda ported pi-durable to @EffectTS\_, but built on workflows and their AI module", linking julia-script/effect-harness. ([source](https://x.com/JuliaScript/status/2108019487064936678), checked 2026-11-02)
  Links: [GitHub](https://github.com/julia-script), [X](https://x.com/JuliaScript)
  Built: [julia-script/effect-harness](https://github.com/julia-script/effect-harness) (69 stars, checked 2026-11-02), [julia-script/effect-inspect](https://github.com/julia-script/effect-inspect) (27 stars, checked 2026-11-02)
- [Justin Bennett](/all-stars/just-be-dev) `just-be-dev`: On X: "Very bullish on the CAFE stack (cloudflare, alchemy, foldkit, effect). Got my own template for it here" ([source](https://x.com/just_be_dev/status/2108012090938319192), checked 2026-11-02)
  Links: [GitHub](https://github.com/just-be-dev), [X](https://x.com/just_be_dev), [Site](https://just-be.dev)
  Built: [just-be-dev/cafe-stack](https://github.com/just-be-dev/cafe-stack) (60 stars, checked 2026-11-02), [just-be-dev/effect-typed-id](https://github.com/just-be-dev/effect-typed-id) (37 stars, checked 2026-11-02), [just-be-dev/foldmark](https://github.com/just-be-dev/foldmark) (2 stars, checked 2026-11-02)
- [Kit Langton](/all-stars/kitlangton) `kitlangton`: Kit Langton’s Effect Solutions collects patterns for error handling, services, layers and testing. ([source](https://github.com/kitlangton/effect-solutions), checked 2026-11-04)
  Links: [GitHub](https://github.com/kitlangton)
- [Makisuo](/all-stars/makisuo) `makisuo`: Makisuo is the top contributor to MapleTechLabs/maple, which GitHub describes as an "OpenTelemetry observability platform". ([source](https://github.com/MapleTechLabs/maple/graphs/contributors), checked 2026-11-03)
  Links: [GitHub](https://github.com/Makisuo), [X](https://x.com/makisuo), [GitHub](https://github.com/MapleTechLabs), [Site](https://maple.dev)
  Built: [MapleTechLabs/maple](https://github.com/MapleTechLabs/maple) (1943 stars, checked 2026-11-03)
- [Matt Pocock](/all-stars/mattpocock) `mattpocock`: Matt Pocock asked developers for Foldkit's "aha" moment on 2 November 2026. ([source](https://x.com/mattpocockuk/status/2117157362700058671), checked 2026-11-05)
  Links: [GitHub](https://github.com/mattpocock), [X](https://x.com/mattpocockuk)
- [Mattia Manzati](/all-stars/mattiamanzati) `mattiamanzati`: Mattia Manzati is the leading contributor to the Effect language service. ([source](https://github.com/Effect-TS/language-service/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/mattiamanzati), [X](https://x.com/MattiaManzati)
- [maxedapps](/all-stars/maxedapps) `maxedapps`: The X profile reads "I teach AI & coding". ([source](https://x.com/maxedapps), checked 2026-11-02)
  Links: [X](https://x.com/maxedapps), [YouTube](https://www.youtube.com/@maximilian-schwarzmueller), [Site](https://maximilian-schwarzmueller.com)
- [Maxwell Brown](/all-stars/imax153) `imax153`: Maxwell Brown is one of Effect’s top listed contributors. ([source](https://github.com/Effect-TS/effect/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/IMax153)
- [Michael Arnaldi](/all-stars/mikearnaldi) `mikearnaldi`: Michael Arnaldi is one of Effect’s top listed contributors. ([source](https://github.com/Effect-TS/effect/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/mikearnaldi)
- [Michael K](/all-stars/mkassabov) `mkassabov`: Michael K is one of Alchemy’s top listed contributors. ([source](https://github.com/alchemy-run/alchemy/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/Mkassabov)
- [Patrick G](/all-stars/doeixd) `doeixd`: Patrick G's effect-email provides Effect-native transactional email with typed messages, durable delivery, provider adapters and retry policies. ([source](https://github.com/doeixd/effect-email/blob/5885e633040b1845410695f7d23c8b75290342e5/README.md), checked 2026-11-05)
  Links: [GitHub](https://github.com/doeixd), [X](https://x.com/RelevantElement)
  Built: [doeixd/effect-email](https://github.com/doeixd/effect-email) (30 stars, checked 2026-11-05), [doeixd/foldkit-plus](https://github.com/doeixd/foldkit-plus) (32 stars, checked 2026-11-05)
- [Rahul Mishra](/all-stars/blankparticle) `blankparticle`: Rahul Mishra is one of Alchemy’s top listed contributors. ([source](https://github.com/alchemy-run/alchemy/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/BlankParticle)
- [Rhys Sullivan](/all-stars/rhyssullivan) `rhyssullivan`: Rhys Sullivan’s Dynamic Software demo runs plugin sessions on Cloudflare Workers. ([source](https://github.com/RhysSullivan/dynamic-software), checked 2026-11-04)
  Links: [GitHub](https://github.com/RhysSullivan)
- [roninjin10](/all-stars/roninjin10) `roninjin10`: roninjin10 is the leading contributor to Smithers. ([source](https://github.com/smithersai/smithers/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/roninjin10)
- [sam-goodwin](/all-stars/sam-goodwin) `sam-goodwin`: Listed first among the contributors to alchemy-run/alchemy, which GitHub describes as "Infrastructure as Effects". ([source](https://github.com/alchemy-run/alchemy/graphs/contributors), checked 2026-11-02)
  Links: [GitHub](https://github.com/sam-goodwin), [X](https://x.com/samgoodwin89)
  Built: [alchemy-run/alchemy](https://github.com/alchemy-run/alchemy) (1833 stars, checked 2026-11-02)
- [Sandro Maglione](/all-stars/sandromaglione) `sandromaglione`: Sandro Maglione authors TypeOnce Effect Machine, a schema-first state-machine and statechart library for Effect. ([source](https://github.com/typeonce-dev/effect-machine/blob/main/packages/effect-machine/package.json), checked 2026-11-04)
  Links: [GitHub](https://github.com/SandroMaglione)
- [Sebastian Lorenz](/all-stars/fubhy) `fubhy`: Sebastian Lorenz is one of Effect’s top listed contributors. ([source](https://github.com/Effect-TS/effect/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/fubhy)
- [Tanner Scadden](/all-stars/tanner-scadden) `tanner-scadden`: Tanner Scadden’s Munch Manor is a browser zombie shooter built with Foldkit and Effect and running on Cloudflare. ([source](https://github.com/Tanner-Scadden/munch-manor), checked 2026-11-04)
  Links: [GitHub](https://github.com/Tanner-Scadden)
- [Taras Kornichuk](/all-stars/artile) `artile`: Taras Kornichuk contributes to Alchemy’s domain APIs, including typed reads across projection-store keys. ([source](https://github.com/alchemy-run/alchemy/commit/2e423dd9eadd42ad3bcf4bb439b6bce1e9f724d5), checked 2026-11-04)
  Links: [GitHub](https://github.com/artile)
- [Tim Smart](/all-stars/tim-smart) `tim-smart`: Tim Smart is a leading contributor to Effect. ([source](https://github.com/Effect-TS/effect/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/tim-smart)
- [Valerii Strilets](/all-stars/letstri) `letstri`: Valerii Strilets authors Permix, a type-safe permissions library for clients and servers. ([source](https://github.com/letstri/permix/blob/main/permix/package.json), checked 2026-11-04)
  Links: [GitHub](https://github.com/letstri)
- [Wayne Maurer](/all-stars/wmaurer) `wmaurer`: Wayne Maurer contributes to Foldkit. ([source](https://github.com/foldkit/foldkit/graphs/contributors), checked 2026-11-04)
  Links: [GitHub](https://github.com/wmaurer)
- [Will King](/all-stars/wking-io) `wking-io`: Will King’s Lattice provides visual page grids for local Vite development using Effect 4 and Foldkit. ([source](https://github.com/wking-io/lattice), checked 2026-11-04)
  Links: [GitHub](https://github.com/wking-io)
- [yehudacohen](/all-stars/yehudacohen) `yehudacohen`: The yehudacohen/typekro repository provides TypeScript definitions for Kubernetes resources with cross-resource references. ([source](https://github.com/yehudacohen/typekro), checked 2026-11-04)
  Links: [GitHub](https://github.com/yehudacohen)

## Channels

- [Alchemy](/all-stars/alchemy-run) `alchemy-run`: GitHub describes alchemy-run/alchemy as "Infrastructure as Effects". ([source](https://github.com/alchemy-run/alchemy), checked 2026-11-02)
  Links: [GitHub](https://github.com/alchemy-run), [X](https://x.com/alchemy_run), [Site](https://alchemy.run)
  Built: [alchemy-run/alchemy](https://github.com/alchemy-run/alchemy) (1833 stars, checked 2026-11-02)
- [Codician](/all-stars/codician-team) `codician-team`: Codician's Diffinery provides Git hosting, pull requests, code review and GitHub Actions-compatible CI on Cloudflare. ([source](https://github.com/codician-team/diffinery/blob/5b38a5f6657a08be7a02b45006d324d4121b9c7d/README.md), checked 2026-11-05)
  Links: [GitHub](https://github.com/codician-team)
  Built: [codician-team/diffinery](https://github.com/codician-team/diffinery) (82 stars, checked 2026-11-05)
- [Effect](/all-stars/effect-ts) `effect-ts`: The Effect-TS GitHub org describes itself as "A set of libraries to write better TypeScript". ([source](https://github.com/Effect-TS), checked 2026-11-02)
  Links: [YouTube](https://www.youtube.com/@effect-ts), [GitHub](https://github.com/Effect-TS), [X](https://x.com/EffectTS_), [Site](https://effect.website)
  Built: [Effect-TS/effect](https://github.com/Effect-TS/effect) (17464 stars, checked 2026-11-02)
- [Foldkit](/all-stars/foldkit) `foldkit`: The Foldkit GitHub org describes Foldkit as "The frontend framework for correctness." ([source](https://github.com/foldkit), checked 2026-11-02)
  Links: [GitHub](https://github.com/foldkit), [X](https://x.com/foldkit), [Site](https://foldkit.dev)
  Built: [foldkit/foldkit](https://github.com/foldkit/foldkit) (1158 stars, checked 2026-11-02), [foldkit/foldkit-domains](https://github.com/foldkit/foldkit-domains) (28 stars, checked 2026-11-02)
- [Harbor](/all-stars/zonko-ai) `zonko-ai`: Harbor’s SDK publishes TypeScript and Python clients alongside runtime, plugin and platform building blocks. ([source](https://github.com/zonko-ai/harbor-sdk), checked 2026-11-04)
  Links: [GitHub](https://github.com/zonko-ai)
- [HumanLayer](/all-stars/humanlayer) `humanlayer`: HumanLayer’s Channels handles Slack, GitHub and Linear webhooks on Effect v4. ([source](https://github.com/humanlayer/effect-channels), checked 2026-11-04)
  Links: [GitHub](https://github.com/humanlayer)
- [Manzanita Research](/all-stars/manzanita-research) `manzanita-research`: Manzanita Research’s Terrarium v2 builds deterministic agent simulations on @alchemy.run/domain. ([source](https://github.com/Manzanita-Research/terrarium-v2), checked 2026-11-04)
  Links: [GitHub](https://github.com/Manzanita-Research)
- [Maple](/all-stars/mapletechlabs) `mapletechlabs`: Maple is an OpenTelemetry observability platform. ([source](https://github.com/MapleTechLabs/maple), checked 2026-11-04)
  Links: [GitHub](https://github.com/MapleTechLabs)
- [Plannotator](/all-stars/plannotator) `plannotator`: Plannotator’s Artifact Server lets people and agents publish, review, version and share artifacts. ([source](https://github.com/plannotator/artifact-server), checked 2026-11-04)
  Links: [GitHub](https://github.com/plannotator)
- [Rivet](/all-stars/rivet-dev) `rivet-dev`: Rivet’s Durable Object Migrator exports data from SQLite-backed Cloudflare Durable Objects. ([source](https://github.com/rivet-dev/durable-object-migrator), checked 2026-11-04)
  Links: [GitHub](https://github.com/rivet-dev)
- [Stately](/all-stars/statelyai) `statelyai`: GitHub describes statelyai/xstate as "State machines, statecharts, and actors for complex logic". ([source](https://github.com/statelyai/xstate), checked 2026-11-02)
  Links: [GitHub](https://github.com/statelyai), [X](https://x.com/statelyai), [Site](https://stately.ai)
  Built: [statelyai/xstate](https://github.com/statelyai/xstate) (30403 stars, checked 2026-11-02)

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