What is chat-ui built with?
chat-ui is a TypeScript repo built with SvelteKit, Svelte, @slack/bolt, and polka. It stores its data in MongoDB, signs people in with openid-client and @aws-sdk/credential-providers, uses AI through OpenAI, makes its content with isomorphic-dompurify, marked, @resvg/resvg-js, katex, satori, and 9 more, validates its data with Zod, is tested with Vitest, vitest-browser-svelte, playwright, and js-yaml, deploys with pino and prom-client, and uses bson-objectid, MCP, and Hugging Face. It has 179,282 written lines, with 302 test files.
LinkedInRead on November 12, 2026, at commit 4e0a95b. Read it as markdown
The card says what it's built with. Its whole map opens it up: every part of the code and how it connects to the rest.
Frontend
The base 2
- SvelteKit92 files · in package.json
- Svelte78 files
Styles 1
Interface 2
bits-ui6 files
- web-haptics1 file
Backend
Data 2
- MongoDB57 files · src/lib/server/database.ts, line 1
- bson-objectid1 file
Sign-in 2
@aws-sdk/credential-providers1 file
- openid-client3 files
Support
The base 2
@slack/bolt2 files
polka1 file
Content 14
marked4 files
katex2 files
- handlebars1 file
highlight.js1 file
- sharp1 file
- isomorphic-dompurify4 files
- @resvg/resvg-js2 files
- satori2 files
- file-type1 file
- htmlparser21 file
- hyparquet1 file
- parquetjs1 file
- remend1 file
- satori-html1 file
Validation 1
- Zod44 files
Testing 4
- Vitest274 files
playwright4 files
- vitest-browser-svelte21 files
- js-yaml2 files
Deploy 2
- pino1 file
- prom-client1 file
Other 15
uuid7 files
json56 files
@slack/web-api5 files
- date-fns3 files
- .ENV2 files
nanoid1 file
undici1 file
- superjson5 files
- ip-address2 files
- mime-types2 files
- aws41 file
- fzstd1 file
- hyparquet-compressors1 file
- yazl1 file
Other repos with a similar stack
Ordered by how much of its stack they share with chat-ui, then by stars.
- ruvnetruflo81.5k
🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory, self-learning intelligence, federation, vector RAG integration, and native Claude Code / Codex / Hermes and many more Integrated
26 of 50 in commonCompare → - RocketChatRocket.Chat46.5k
Interoperable by design. Governed by you. Open-source, secure platform for messaging, voice, video and governed AI, built for defense and government.
11 of 50 in commonCompare → - open-webuiopen-webui158.4k
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
10 of 50 in common · SvelteCompare → - CherryHQcherry-studio53.5k
Your AI workspace for models, agents, and productivity.
9 of 50 in commonCompare →
Frequently asked questions
What language is chat-ui written in?
What framework does chat-ui use?
What database does chat-ui use?
The proof: src/lib/server/database.ts, line 1
What does chat-ui sign people in with?
Does chat-ui use AI?
The proof: src/lib/server/textGeneration/utils/upstreamRetry.ts, line 8
What services does chat-ui use?
Does chat-ui have tests?
Which repos have a stack like chat-ui's?
See inside your code, today.
Paste your repo and see it drawn, part by part: a medium one in under a minute.
Free, no account.
Is it your repo? Add its badge, keep it up to date or take it down →
