What is atproto built with?
atproto is a TypeScript repo built with Express, Expo, Vite, React, and TanStack. It reaches its data with kysely, signs people in with jose, com.nimbusds:nimbus-jose-jwt, and @hcaptcha/react-hcaptcha, stores files in AWS S3, uses AI through lande, makes its content with sharp, nodemailer, and file-type, validates its data with Zod, @hapi/address, disposable-email-domains-js, and @standard-schema/spec, is tested with Jest, Vitest, and Puppeteer, deploys with @opentelemetry/semantic-conventions, pino, pino-http, OpenTelemetry, prom-client, and 2 more, and uses @aws-sdk/lib-storage, Postgres, Redis, SQLite, lru-cache, and 2 more. It has 385,793 written lines, with 556 test files.
LinkedInRead on November 14, 2026, at commit 9f605e0. 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 4
Styles 3
class-variance-authority6 files
tailwind-merge1 file
- Tailwind CSS
Interface 2
- Base UI18 files
react-error-boundary3 files
Icons 1
- Lucide36 files
Backend
Data 7
- Postgres3 files · packages/ozone/src/db/index.ts, line 15
- Redis3 files · packages/bsky/src/redis.ts, line 2
react-native-mmkv2 files
- SQLite2 files · packages/pds/src/db/db.ts, line 2
@aws-sdk/lib-storage1 file
@opentelemetry/instrumentation-ioredis1 file
- lru-cache1 file
Services 1
AWS S31 file · packages/aws/src/s3.ts, line 2
The base 1
- Express41 files · in packages/pds/package.json
Data access 1
kysely285 files
Sign-in 3
@hcaptcha/react-hcaptcha1 file
- jose9 files
- com.nimbusds:nimbus-jose-jwt2 files
AI 1
- lande1 file
Support
Validation 4
- Zod109 files
@hapi/address5 files
@standard-schema/spec2 files
- disposable-email-domains-js5 files
Testing 4
- Vitest297 files
- Jest36 files
- Puppeteer4 files
- jose1 file
Content 3
nodemailer3 files
- sharp2 files
- file-type1 file
Deploy 7
- OpenTelemetry5 files
pino-http4 files
- pino3 files
- @opentelemetry/semantic-conventions2 files
- prom-client8 files
Tools 7
ts-morph7 files
- Prettier3 files
yargs2 files
- Rolldown1 file
- get-port9 files
- commander1 file
- import-in-the-middle1 file
Other 40
lingui93 files
connectrpc51 files
multiformats17 files
@bufbuild/protobuf15 files
- @tanstack/react-query9 files
core-js9 files
noble8 files
undici7 files
- opentelemetry5 files
- OpenTelemetry5 files
hapi3 files
@growthbook/growthbook2 files
chalk1 file
- expo-web-browser1 file
ua-parser-js1 file
- uint8arrays25 files
- http-terminator11 files
- http-errors10 files
- ws10 files
- p-queue8 files
- clsx4 files
- cors4 files
- compression3 files
- ipaddr.js2 files
- structured-headers2 files
- await-lock1 file
- body-parser1 file
- cborg1 file
- cookie1 file
- express-async-errors1 file
- mime1 file
- mime-types1 file
- murmurhash1 file
- rate-limiter-flexible1 file
- react-native-url-polyfill1 file
- strtok31 file
- tlds1 file
- unicode-segmenter1 file
Other repos with a similar stack
Ordered by how much of its stack they share with atproto, 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
15 of 87 in commonCompare → - CherryHQcherry-studio53.5k
Your AI workspace for models, agents, and productivity.
14 of 87 in commonCompare →
Frequently asked questions
What language is atproto written in?
What framework does atproto use?
The proof: in packages/pds/package.json
What does atproto sign people in with?
Does atproto use AI?
What services does atproto use?
The proof: packages/aws/src/s3.ts, line 2
Does atproto have tests?
Which repos have a stack like atproto'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 →
