Source: https://seerepo.com/r/cloudflare/cloudflare-os/built Markdown source: https://seerepo.com/r/cloudflare/cloudflare-os/built.md Description: cloudflare-os is a TypeScript repo built with React, Preact, Vite, and TanStack. It signs people in with jose and uses AI through Pi. # What is cloudflare-os built with? cloudflare-os is a TypeScript repo built with React, Preact, Vite, and TanStack. It signs people in with jose, uses AI through Pi, makes its content with node-html-parser, yaml, react-markdown, remark-gfm, postal-mime, and 3 more, validates its data with Zod and typebox, is tested with Vitest, commonmark, playwright, and fast-check, and uses MCP. It has 1,012,668 written lines, with 750 test files. Read on November 12, 2026, at commit 3441200. Repository: https://github.com/cloudflare/cloudflare-os ## Support (packages/api-cli) ### Other - **hash-wasm**: 1 file ## Support (packages/api-schema) ### Testing - **Vitest**: 3 files ## Support (packages/bundled-blueprints) ### Testing - **Vitest**: 31 files - **commonmark**: 1 file ### Tools - **esbuild**: 1 file ### Other - **yjs**: 1 file ## Frontend (packages/configurator-ui) ### The base - **[React](https://seerepo.com/uses/react)**: 14 files · [in packages/workshop-frontend/package.json](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/workshop-frontend/package.json) ### Styles - **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)** ### Interface - **[Cloudflare](https://seerepo.com/uses/cloudflare)**: 13 files ### Icons - **[@phosphor-icons/react](https://seerepo.com/uses/phosphor-icons-react)**: 4 files ## Support (packages/configurator-ui) ### The base - **[Preact](https://seerepo.com/uses/preact)**: 2 files ### Testing - **Vitest**: 7 files ## Support (packages/error-reporting) ### Testing - **Vitest**: 1 file ## Support (packages/gatekeeper-cloudflare) ### Testing - **Vitest**: 10 files ## Support (packages/gatekeeper-confluence) ### Content - **[node-html-parser](https://seerepo.com/uses/node-html-parser)**: 1 file ### Testing - **Vitest**: 13 files - **playwright**: 1 file ## Frontend (packages/gatekeeper-context) ### The base - **[React](https://seerepo.com/uses/react)**: 17 files · [in packages/workshop-frontend/package.json](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/workshop-frontend/package.json) - **[Vite](https://seerepo.com/uses/vite)**: 1 file · [in packages/workshop-frontend/package.json](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/workshop-frontend/package.json) ### Styles - **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)** ### Interface - **[Cloudflare](https://seerepo.com/uses/cloudflare)**: 13 files - **[@lezer/highlight](https://seerepo.com/uses/lezer-highlight)**: 1 file - **[CodeMirror](https://seerepo.com/uses/codemirror)**: 1 file - **[emoji-mart](https://seerepo.com/uses/emoji-mart)**: 1 file ### Icons - **[@phosphor-icons/react](https://seerepo.com/uses/phosphor-icons-react)**: 10 files ## Support (packages/gatekeeper-context) ### Content - **[yaml](https://seerepo.com/uses/yaml)**: 3 files - **[react-markdown](https://seerepo.com/uses/react-markdown)**: 1 file - **[remark-gfm](https://seerepo.com/uses/remark-gfm)**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Testing - **Vitest**: 22 files ### Other - **isomorphic-git**: 1 file ## Support (packages/gatekeeper-email) ### Content - **[postal-mime](https://seerepo.com/uses/postal-mime)**: 1 file ## Support (packages/gatekeeper-github) ### Testing - **Vitest**: 16 files ## Support (packages/gatekeeper-gitlab) ### Testing - **Vitest**: 18 files ## Backend (packages/gatekeeper-google) ### Sign-in - **[jose](https://seerepo.com/uses/jose)**: 1 file ## Support (packages/gatekeeper-google) ### Content - **mimetext**: 1 file - **[postal-mime](https://seerepo.com/uses/postal-mime)**: 1 file ### Testing - **Vitest**: 61 files ## Support (packages/gatekeeper-homeassistant) ### Testing - **Vitest**: 2 files ## Backend (packages/gatekeeper-kit) ### Sign-in - **[jose](https://seerepo.com/uses/jose)**: 2 files ## Support (packages/gatekeeper-kit) ### Testing - **Vitest**: 37 files - **fast-check**: 2 files ### Other - **diff**: 1 file ## Support (packages/gatekeeper-linear) ### Testing - **Vitest**: 3 files ## Support (packages/gatekeeper-mcp-portal) ### Testing - **Vitest**: 4 files ## Support (packages/gatekeeper-mcp) ### Testing - **Vitest**: 5 files ## Support (packages/gatekeeper-microsoft) ### Testing - **Vitest**: 65 files - **playwright**: 3 files ## Support (packages/gatekeeper-notion) ### Testing - **Vitest**: 4 files ## Backend (packages/gatekeeper-pagerduty) ### Sign-in - **[jose](https://seerepo.com/uses/jose)**: 1 file ## Support (packages/gatekeeper-pagerduty) ### Testing - **Vitest**: 9 files ## Frontend (packages/gatekeeper-scheduler) ### The base - **[Vite](https://seerepo.com/uses/vite)**: [in packages/workshop-frontend/package.json](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/workshop-frontend/package.json) - **[React](https://seerepo.com/uses/react)**: 3 files · [in packages/workshop-frontend/package.json](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/workshop-frontend/package.json) ### Styles - **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)** ### Icons - **[@phosphor-icons/react](https://seerepo.com/uses/phosphor-icons-react)**: 1 file ## Support (packages/gatekeeper-scheduler) ### Testing - **Vitest**: 10 files ### Other - **temporal-polyfill**: 1 file ## Support (packages/gatekeeper-slack) ### Testing - **Vitest**: 4 files ## Support (packages/gatekeeper-spotify) ### Testing - **Vitest**: 2 files ## Support (packages/gatekeeper-supabase) ### Testing - **Vitest**: 2 files ## Support (packages/gatekeeper-websearch) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Testing - **Vitest**: 2 files ## Support (packages/gatekeeper-x) ### Testing - **Vitest**: 14 files ## Support (packages/gatekeeper-zoominfo) ### Testing - **Vitest**: 4 files ## Backend (packages/mcp-shared) ### Services - **[MCP](https://seerepo.com/uses/mcp)**: 2 files · [packages/mcp-shared/src/account.ts, line 29](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/mcp-shared/src/account.ts#L29) ## Support (packages/mcp-shared) ### Testing - **Vitest**: 22 files ## Support (packages/observability) ### Testing - **Vitest**: 4 files ## Support (packages/router) ### Testing - **Vitest**: 1 file ### Other - **[jsonc-parser](https://seerepo.com/uses/jsonc-parser)**: 1 file ## Support (packages/typed-storage) ### Testing - **Vitest**: 1 file ### Tools - **[Cloudflare](https://seerepo.com/uses/cloudflare)**: 1 file ## Frontend (packages/ui) ### The base - **[React](https://seerepo.com/uses/react)**: 6 files · [in packages/workshop-frontend/package.json](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/workshop-frontend/package.json) ### Interface - **[Cloudflare](https://seerepo.com/uses/cloudflare)**: 1 file - **[motion](https://seerepo.com/uses/motion)**: 1 file ### Icons - **[@phosphor-icons/react](https://seerepo.com/uses/phosphor-icons-react)**: 1 file ## Support (packages/ui) ### Testing - **Vitest**: 3 files ## Backend (packages/workshop-backend) ### Sign-in - **[jose](https://seerepo.com/uses/jose)**: 3 files ### AI - **[Pi](https://seerepo.com/uses/pi)**: 10 files ## Support (packages/workshop-backend) ### Content - **[dompurify](https://seerepo.com/uses/dompurify)**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 3 files - **[typebox](https://seerepo.com/uses/typebox)**: 1 file ### Testing - **Vitest**: 102 files - **fast-check**: 9 files ### Other - **diff**: 2 files - **yjs**: 2 files - **diff3**: 1 file ## Frontend (packages/workshop-frontend) ### The base - **[React](https://seerepo.com/uses/react)**: 152 files · [in packages/workshop-frontend/package.json](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/workshop-frontend/package.json) - **[TanStack](https://seerepo.com/uses/tanstack)**: 47 files - **[Vite](https://seerepo.com/uses/vite)**: 1 file · [in packages/workshop-frontend/package.json](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/workshop-frontend/package.json) ### Styles - **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)** ### Interface - **[Cloudflare](https://seerepo.com/uses/cloudflare)**: 105 files - **[CodeMirror](https://seerepo.com/uses/codemirror)**: 6 files - **[@lezer/highlight](https://seerepo.com/uses/lezer-highlight)**: 1 file - **[motion](https://seerepo.com/uses/motion)**: 1 file ### Icons - **[@phosphor-icons/react](https://seerepo.com/uses/phosphor-icons-react)**: 94 files ## Support (packages/workshop-frontend) ### Content - **[react-markdown](https://seerepo.com/uses/react-markdown)**: 3 files - **[remark-gfm](https://seerepo.com/uses/remark-gfm)**: 3 files ### Testing - **Vitest**: 139 files ### Other - **hash-wasm**: 1 file ## Frontend (packages/workshop-shared) ### Interface - **[CodeMirror](https://seerepo.com/uses/codemirror)**: 1 file ## Support (packages/workshop-shared) ### Content - **[mdast-util-from-markdown](https://seerepo.com/uses/mdast-util-from-markdown)**: 1 file ### Other - **fast-diff**: 1 file ## Other repos with a similar stack - [paperclipai/paperclip](https://seerepo.com/r/paperclipai/paperclip/built): React, Vite, MCP, Tailwind CSS, Cloudflare, @lezer/highlight, CodeMirror, yaml, react-markdown, remark-gfm, Zod, motion, dompurify, mdast-util-from-markdown · [Compare](https://seerepo.com/compare/cloudflare/cloudflare-os/vs/paperclipai/paperclip) - [reactive-resume/reactive-resume](https://seerepo.com/r/reactive-resume/reactive-resume/built): React, MCP, TanStack, Tailwind CSS, @phosphor-icons/react, node-html-parser, @lezer/highlight, CodeMirror, react-markdown, remark-gfm, Zod, jose, motion, mdast-util-from-markdown · [Compare](https://seerepo.com/compare/cloudflare/cloudflare-os/vs/reactive-resume/reactive-resume) - [CherryHQ/cherry-studio](https://seerepo.com/r/CherryHQ/cherry-studio/built): React, Vite, MCP, TanStack, Tailwind CSS, @lezer/highlight, CodeMirror, yaml, remark-gfm, Zod, motion, dompurify, mdast-util-from-markdown · [Compare](https://seerepo.com/compare/CherryHQ/cherry-studio/vs/cloudflare/cloudflare-os) - [cline/cline](https://seerepo.com/r/cline/cline/built): React, Vite, MCP, Tailwind CSS, yaml, react-markdown, remark-gfm, Zod, motion, dompurify · [Compare](https://seerepo.com/compare/cline/cline/vs/cloudflare/cloudflare-os) - [twentyhq/twenty](https://seerepo.com/r/twentyhq/twenty/built): React, Vite, MCP, Cloudflare, react-markdown, remark-gfm, Zod, postal-mime, jose, dompurify · [Compare](https://seerepo.com/compare/cloudflare/cloudflare-os/vs/twentyhq/twenty) - [multica-ai/multica](https://seerepo.com/r/multica-ai/multica/built): React, TanStack, Tailwind CSS, emoji-mart, yaml, react-markdown, remark-gfm, Zod, motion, mdast-util-from-markdown · [Compare](https://seerepo.com/compare/cloudflare/cloudflare-os/vs/multica-ai/multica) ## Frequently asked questions ### What language is cloudflare-os written in? cloudflare-os is written in TypeScript, with 1,012,668 written lines. ### What framework does cloudflare-os use? cloudflare-os is built with React, Preact, Vite, and TanStack. The proof: [in packages/workshop-frontend/package.json](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/workshop-frontend/package.json) ### What does cloudflare-os sign people in with? cloudflare-os signs people in with jose. ### Does cloudflare-os use AI? Yes. cloudflare-os uses AI through Pi. ### What services does cloudflare-os use? cloudflare-os uses MCP. The proof: [packages/mcp-shared/src/account.ts, line 29](https://github.com/cloudflare/cloudflare-os/blob/34412000d5a169e9b63f1a0c8a0ba456d5b6e554/packages/mcp-shared/src/account.ts#L29) ### Does cloudflare-os have tests? Yes. cloudflare-os has 750 test files and is tested with Vitest, commonmark, playwright, and fast-check. ### Which repos have a stack like cloudflare-os's? The ones that share most of its stack: paperclipai/paperclip, reactive-resume/reactive-resume, and CherryHQ/cherry-studio. ## What is your repo built with? Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.