Source: https://seerepo.com/r/tambo-ai/tambo/built Markdown source: https://seerepo.com/r/tambo-ai/tambo/built.md Description: tambo is a TypeScript repo built with NestJS, React, Next.js, tRPC, and Vite. It stores its data in Postgres and reaches it with Drizzle. # What is tambo built with? tambo is a TypeScript repo built with NestJS, React, Next.js, tRPC, and Vite. It stores its data in Postgres, reaches it with Drizzle, signs people in with jose, helmet, and next-auth, sends email with Resend, stores files in AWS S3, uses AI through ag-ui, @ai-sdk/provider, OpenAI, js-tiktoken, ai-sdk, and 6 more, measures its use with PostHog, watches its errors with Sentry, makes its content with @vercel/og, highlight.js, react-markdown, rehype-raw, js-yaml, and 4 more, validates its data with class-validator, class-transformer, Zod, json-schema, @hookform/resolvers, and 4 more, is tested with @nestjs/testing, supertest, Testing Library, and memfs, deploys with OpenTelemetry, and uses MCP and @aws-sdk/s3-request-presigner. It has 223,355 written lines, with 274 test files. Read on November 12, 2026, at commit 6e2c1bf. Repository: https://github.com/tambo-ai/tambo ## Backend (apps/api) ### The base - **[NestJS](https://seerepo.com/uses/nestjs)**: 88 files · [in apps/api/package.json](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/api/package.json) ### Data access - **[Drizzle](https://seerepo.com/uses/drizzle)**: 6 files ### Sign-in - **[jose](https://seerepo.com/uses/jose)**: 4 files - **[helmet](https://seerepo.com/uses/helmet)**: 1 file ### AI - **ag-ui**: 3 files - **[@ai-sdk/provider](https://seerepo.com/uses/ai-sdk-provider)**: 1 file ### Services - **[Sentry](https://seerepo.com/uses/sentry)**: 11 files · [apps/api/src/common/filters/sentry-exception.filter.ts, line 9](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/api/src/common/filters/sentry-exception.filter.ts#L9) - **[MCP](https://seerepo.com/uses/mcp)**: 6 files · [packages/client/src/mcp/mcp-client.ts, line 1](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/client/src/mcp/mcp-client.ts#L1) - **[OpenAI](https://seerepo.com/uses/openai)**: 3 files · [packages/backend/src/services/llm/llm-client.ts, line 5](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/backend/src/services/llm/llm-client.ts#L5) - **[AWS S3](https://seerepo.com/uses/aws-s3)**: 1 file · [apps/api/src/threads/util/attachment-fetcher.ts, line 2](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/api/src/threads/util/attachment-fetcher.ts#L2) - **[PostHog](https://seerepo.com/uses/posthog)**: 1 file · [apps/web/components/analytics/posthog-identify.tsx, line 5](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/web/components/analytics/posthog-identify.tsx#L5) ## Support (apps/api) ### Validation - **[class-validator](https://seerepo.com/uses/class-validator)**: 20 files - **[class-transformer](https://seerepo.com/uses/class-transformer)**: 8 files - **[Zod](https://seerepo.com/uses/zod)**: 3 files - **[json-schema](https://seerepo.com/uses/json-schema)**: 2 files ### Testing - **@nestjs/testing**: 16 files - **supertest**: 4 files ### Deploy - **[OpenTelemetry](https://seerepo.com/uses/opentelemetry)**: 1 file ### Tools - **ts-essentials**: 1 file ### Other - **@nestjs/throttler**: 3 files - **mime-types**: 3 files - **fast-json-patch**: 1 file - **nanoid**: 1 file - **react-fast-compare**: 1 file - **uuid**: 1 file ## Frontend (apps/web) ### The base - **[React](https://seerepo.com/uses/react)**: 156 files · [in apps/web/package.json](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/web/package.json) - **[Next.js](https://seerepo.com/uses/nextjs)**: 62 files · [in apps/web/package.json](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/web/package.json) ### Styles - **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)** - **[class-variance-authority](https://seerepo.com/uses/class-variance-authority)**: 8 files - **[next-themes](https://seerepo.com/uses/next-themes)**: 4 files - **[geist](https://seerepo.com/uses/geist)**: 1 file - **[tailwind-merge](https://seerepo.com/uses/tailwind-merge)**: 1 file ### Interface - **[Radix UI](https://seerepo.com/uses/radix-ui)**: 21 files - **[React Hook Form](https://seerepo.com/uses/react-hook-form)**: 4 files - **[cmdk](https://seerepo.com/uses/cmdk)**: 1 file - **[embla-carousel-react](https://seerepo.com/uses/embla-carousel-react)**: 1 file - **react-medium-image-zoom**: 1 file - **react-speech-recognition**: 1 file - **[recharts](https://seerepo.com/uses/recharts)**: 1 file - **[usehooks-ts](https://seerepo.com/uses/usehooks-ts)**: 1 file - **[vaul](https://seerepo.com/uses/vaul)**: 1 file ### Icons - **[Lucide](https://seerepo.com/uses/lucide)**: 82 files - **[@radix-ui/react-icons](https://seerepo.com/uses/radix-ui-react-icons)**: 2 files - **[react-icons](https://seerepo.com/uses/react-icons)**: 2 files ## Backend (apps/web) ### Data access - **[Drizzle](https://seerepo.com/uses/drizzle)**: 8 files ### Sign-in - **[next-auth](https://seerepo.com/uses/next-auth)**: 19 files - **[jose](https://seerepo.com/uses/jose)**: 2 files ### AI - **[js-tiktoken](https://seerepo.com/uses/js-tiktoken)**: 2 files ### Services - **[Sentry](https://seerepo.com/uses/sentry)**: 8 files · [apps/api/src/common/filters/sentry-exception.filter.ts, line 9](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/api/src/common/filters/sentry-exception.filter.ts#L9) - **[Resend](https://seerepo.com/uses/resend)**: 5 files · [apps/web/lib/auth.ts, line 19](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/web/lib/auth.ts#L19) - **[PostHog](https://seerepo.com/uses/posthog)**: 4 files · [apps/web/components/analytics/posthog-identify.tsx, line 5](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/web/components/analytics/posthog-identify.tsx#L5) - **[MCP](https://seerepo.com/uses/mcp)**: 2 files · [packages/client/src/mcp/mcp-client.ts, line 1](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/client/src/mcp/mcp-client.ts#L1) ## Support (apps/web) ### The base - **tRPC**: 8 files ### Content - **@vercel/og**: 2 files - **[highlight.js](https://seerepo.com/uses/highlightjs)**: 2 files - **[react-markdown](https://seerepo.com/uses/react-markdown)**: 1 file - **[rehype-raw](https://seerepo.com/uses/rehype-raw)**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 49 files - **[@hookform/resolvers](https://seerepo.com/uses/hookform-resolvers)**: 3 files - **[json-schema](https://seerepo.com/uses/json-schema)**: 1 file ### Testing - **Testing Library**: 25 files ### Other - **[trpc](https://seerepo.com/uses/trpc)**: 4 files - **[Vercel](https://seerepo.com/uses/vercel)**: 4 files - **clsx**: 3 files - **superjson**: 3 files - **[TanStack](https://seerepo.com/uses/tanstack)**: 3 files - **use-debounce**: 2 files - **@t3-oss/env-nextjs**: 1 file - **date-fns**: 1 file - **tldts**: 1 file ## Frontend (cli) ### Styles - **[PostCSS](https://seerepo.com/uses/postcss)**: 4 files - **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)**: 2 files - **[tailwind-merge](https://seerepo.com/uses/tailwind-merge)**: 1 file ### Interface - **[ora](https://seerepo.com/uses/ora)**: 12 files ## Backend (cli) ### Services - **[PostHog](https://seerepo.com/uses/posthog)**: 1 file · [apps/web/components/analytics/posthog-identify.tsx, line 5](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/web/components/analytics/posthog-identify.tsx#L5) ## Support (cli) ### Content - **[js-yaml](https://seerepo.com/uses/js-yaml)**: 1 file ### Testing - **memfs**: 13 files ### Tools - **cli-table3**: 3 files - **[Inquirer](https://seerepo.com/uses/inquirer)**: 3 files - **ts-morph**: 3 files - **meow**: 1 file ### Other - **chalk**: 24 files - **SemVer**: 4 files - **.ENV**: 2 files - **clipboardy**: 2 files - **cross-spawn**: 2 files - **open**: 2 files - **clsx**: 1 file - **date-fns**: 1 file - **deepmerge**: 1 file - **diff**: 1 file - **env-paths**: 1 file - **fast-equals**: 1 file - **superjson**: 1 file - **tRPC**: 1 file ## Support (create-tambo-app) ### Other - **cross-spawn**: 1 file ## Backend (packages/backend) ### Data - **[@aws-sdk/s3-request-presigner](https://seerepo.com/uses/aws-sdk-s3-request-presigner)**: 1 file ### AI - **ag-ui**: 7 files - **[ai-sdk](https://seerepo.com/uses/ai-sdk)**: 4 files - **[ai](https://seerepo.com/uses/ai)**: 3 files - **partial-json**: 3 files - **@mastra/client-js**: 1 file - **gpt-tokenizer**: 1 file ### Services - **[OpenAI](https://seerepo.com/uses/openai)**: 11 files · [packages/backend/src/services/llm/llm-client.ts, line 5](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/backend/src/services/llm/llm-client.ts#L5) - **[Anthropic](https://seerepo.com/uses/anthropic)**: 1 file · [packages/backend/src/services/skills/provider-skill-client.ts, line 5](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/backend/src/services/skills/provider-skill-client.ts#L5) - **[AWS S3](https://seerepo.com/uses/aws-s3)**: 1 file · [apps/api/src/threads/util/attachment-fetcher.ts, line 2](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/api/src/threads/util/attachment-fetcher.ts#L2) ## Support (packages/backend) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 6 files - **[zod-to-json-schema](https://seerepo.com/uses/zod-to-json-schema)**: 3 files - **[json-schema](https://seerepo.com/uses/json-schema)**: 2 files - **[Ajv](https://seerepo.com/uses/ajv)**: 1 file ### Other - **fast-json-patch**: 2 files - **mime-types**: 1 file - **nanoid**: 1 file ## Backend (packages/client) ### AI - **@ag-ui/core**: 6 files - **partial-json**: 2 files ### Services - **[MCP](https://seerepo.com/uses/mcp)**: 1 file · [packages/client/src/mcp/mcp-client.ts, line 1](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/client/src/mcp/mcp-client.ts#L1) ## Support (packages/client) ### Validation - **[json-schema](https://seerepo.com/uses/json-schema)**: 9 files - **[@standard-schema/spec](https://seerepo.com/uses/standard-schema-spec)**: 2 files - **[Zod](https://seerepo.com/uses/zod)**: 2 files - **@standard-community/standard-json**: 1 file - **[zod-to-json-schema](https://seerepo.com/uses/zod-to-json-schema)**: 1 file ### Other - **fast-json-patch**: 2 files ## Backend (packages/core) ### Sign-in - **[jose](https://seerepo.com/uses/jose)**: 2 files ### AI - **[ai-sdk](https://seerepo.com/uses/ai-sdk)**: 3 files ### Services - **[MCP](https://seerepo.com/uses/mcp)**: 3 files · [packages/client/src/mcp/mcp-client.ts, line 1](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/client/src/mcp/mcp-client.ts#L1) - **[OpenAI](https://seerepo.com/uses/openai)**: 1 file · [packages/backend/src/services/llm/llm-client.ts, line 5](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/backend/src/services/llm/llm-client.ts#L5) ## Support (packages/core) ### Content - **[js-yaml](https://seerepo.com/uses/js-yaml)**: 1 file ### Validation - **[json-schema](https://seerepo.com/uses/json-schema)**: 3 files - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Testing - **[zod-to-json-schema](https://seerepo.com/uses/zod-to-json-schema)**: 1 file ### Other - **ipaddr.js**: 1 file - **undici**: 1 file ## Backend (packages/db) ### Data - **[Postgres](https://seerepo.com/uses/postgres)**: 2 files · [packages/db/src/index.ts, line 2](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/db/src/index.ts#L2) ### Data access - **[Drizzle](https://seerepo.com/uses/drizzle)**: 15 files ### Services - **[MCP](https://seerepo.com/uses/mcp)**: 1 file · [packages/client/src/mcp/mcp-client.ts, line 1](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/client/src/mcp/mcp-client.ts#L1) ## Support (packages/db) ### Other - **superjson**: 1 file ## Frontend (packages/react-ui-base) ### The base - **[React](https://seerepo.com/uses/react)**: 77 files · [in apps/web/package.json](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/web/package.json) ### Interface - **[Base UI](https://seerepo.com/uses/base-ui)**: 66 files ## Support (packages/react-ui-base) ### Testing - **Testing Library**: 11 files ## Frontend (packages/ui-registry) ### The base - **[React](https://seerepo.com/uses/react)**: 26 files · [in apps/web/package.json](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/web/package.json) ### Styles - **[Tailwind CSS](https://seerepo.com/uses/tailwind-css)** - **[class-variance-authority](https://seerepo.com/uses/class-variance-authority)**: 12 files - **[tailwind-merge](https://seerepo.com/uses/tailwind-merge)**: 1 file ### Interface - **[Radix UI](https://seerepo.com/uses/radix-ui)**: 8 files - **[tiptap](https://seerepo.com/uses/tiptap)**: 2 files - **[Leaflet](https://seerepo.com/uses/leaflet)**: 1 file - **leaflet.markercluster**: 1 file - **react-leaflet**: 1 file - **[recharts](https://seerepo.com/uses/recharts)**: 1 file ### Icons - **[Lucide](https://seerepo.com/uses/lucide)**: 13 files ## Support (packages/ui-registry) ### Content - **[streamdown](https://seerepo.com/uses/streamdown)**: 2 files - **[dompurify](https://seerepo.com/uses/dompurify)**: 1 file - **[highlight.js](https://seerepo.com/uses/highlightjs)**: 1 file - **rehype-harden**: 1 file - **[rehype-raw](https://seerepo.com/uses/rehype-raw)**: 1 file - **[unified](https://seerepo.com/uses/unified)**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 4 files ### Testing - **Testing Library**: 10 files ### Tools - **diffable-html**: 1 file ### Other - **clsx**: 1 file ## Frontend (packages/vite-config) ### The base - **[Vite](https://seerepo.com/uses/vite)**: 1 file ## Support (packages/vite-config) ### Tools - **rollup-plugin-preserve-directives**: 1 file - **TypeScript**: 1 file - **unplugin-dts**: 1 file - **vite-tsconfig-paths**: 1 file ## Frontend (react-sdk) ### The base - **[React](https://seerepo.com/uses/react)**: 30 files · [in apps/web/package.json](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/web/package.json) ### Interface - **react-media-recorder**: 1 file ## Backend (react-sdk) ### AI - **@ag-ui/core**: 2 files - **partial-json**: 1 file ### Services - **[MCP](https://seerepo.com/uses/mcp)**: 1 file · [packages/client/src/mcp/mcp-client.ts, line 1](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/client/src/mcp/mcp-client.ts#L1) ## Support (react-sdk) ### Validation - **[json-schema](https://seerepo.com/uses/json-schema)**: 3 files - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Testing - **Testing Library**: 35 files ### Tools - **type-fest**: 1 file ### Other - **[TanStack](https://seerepo.com/uses/tanstack)**: 9 files - **fast-equals**: 2 files - **fast-json-patch**: 1 file - **use-debounce**: 1 file ## Other repos with a similar stack - [CherryHQ/cherry-studio](https://seerepo.com/r/CherryHQ/cherry-studio/built): Sentry, MCP, OpenAI, PostHog, React, Anthropic, Vite, Drizzle, Zod, Tailwind CSS, class-variance-authority, tailwind-merge, Radix UI, React Hook Form, cmdk, vaul, Lucide, @hookform/resolvers, PostCSS, ai-sdk, ai, partial-json, gpt-tokenizer, tiptap, streamdown, dompurify, unified · [Compare](https://seerepo.com/compare/CherryHQ/cherry-studio/vs/tambo-ai/tambo) - [Significant-Gravitas/AutoGPT](https://seerepo.com/r/Significant-Gravitas/AutoGPT/built): Sentry, OpenAI, PostHog, React, Next.js, Anthropic, Postgres, jose, Zod, Tailwind CSS, class-variance-authority, next-themes, geist, tailwind-merge, Radix UI, React Hook Form, cmdk, embla-carousel-react, recharts, vaul, highlight.js, react-markdown, @hookform/resolvers, PostCSS, ai, streamdown · [Compare](https://seerepo.com/compare/Significant-Gravitas/AutoGPT/vs/tambo-ai/tambo) - [supabase/supabase](https://seerepo.com/r/supabase/supabase/built): Sentry, MCP, OpenAI, PostHog, React, Next.js, Vite, Zod, Tailwind CSS, class-variance-authority, next-themes, Radix UI, React Hook Form, cmdk, react-medium-image-zoom, recharts, vaul, Lucide, react-markdown, @hookform/resolvers, js-yaml, ai-sdk, ai, streamdown, unified · [Compare](https://seerepo.com/compare/supabase/supabase/vs/tambo-ai/tambo) - [cline/cline](https://seerepo.com/r/cline/cline/built): MCP, OpenAI, PostHog, React, Anthropic, Vite, Zod, Tailwind CSS, class-variance-authority, next-themes, tailwind-merge, Radix UI, cmdk, embla-carousel-react, recharts, Lucide, react-markdown, js-yaml, ai-sdk, ai, Base UI, streamdown, dompurify, unified · [Compare](https://seerepo.com/compare/cline/cline/vs/tambo-ai/tambo) - [calcom/cal.diy](https://seerepo.com/r/calcom/cal.diy/built): NestJS, Sentry, PostHog, React, Next.js, tRPC, Postgres, jose, helmet, class-validator, class-transformer, Zod, Tailwind CSS, class-variance-authority, next-themes, tailwind-merge, Radix UI, React Hook Form, cmdk, Lucide, next-auth, @hookform/resolvers, Base UI, dompurify · [Compare](https://seerepo.com/compare/calcom/cal.diy/vs/tambo-ai/tambo) - [twentyhq/twenty](https://seerepo.com/r/twentyhq/twenty/built): NestJS, Sentry, MCP, OpenAI, AWS S3, React, Anthropic, Postgres, Vite, jose, class-validator, class-transformer, Zod, json-schema, React Hook Form, react-markdown, @hookform/resolvers, PostCSS, ai-sdk, ai, Base UI, tiptap, dompurify · [Compare](https://seerepo.com/compare/tambo-ai/tambo/vs/twentyhq/twenty) ## Frequently asked questions ### What language is tambo written in? tambo is written in TypeScript, with 223,355 written lines. ### What framework does tambo use? tambo is built with NestJS, React, Next.js, tRPC, and Vite. The proof: [in apps/api/package.json](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/api/package.json) ### What database does tambo use? tambo stores its data in Postgres and reaches it with Drizzle. The proof: [packages/db/src/index.ts, line 2](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/packages/db/src/index.ts#L2) ### What does tambo sign people in with? tambo signs people in with jose, helmet, and next-auth. ### Does tambo use AI? Yes. tambo uses AI through ag-ui, @ai-sdk/provider, OpenAI, js-tiktoken, ai-sdk, ai, partial-json, @mastra/client-js, gpt-tokenizer, Anthropic, and @ag-ui/core. ### What services does tambo use? tambo sends email with Resend, stores files in AWS S3, measures its use with PostHog, watches its errors with Sentry, and uses MCP and @aws-sdk/s3-request-presigner. The proof: [apps/web/lib/auth.ts, line 19](https://github.com/tambo-ai/tambo/blob/6e2c1bff3b68a00c094b6d876788cc8f33f7bb02/apps/web/lib/auth.ts#L19) ### Does tambo have tests? Yes. tambo has 274 test files and is tested with @nestjs/testing, supertest, Testing Library, and memfs. ### Which repos have a stack like tambo's? The ones that share most of its stack: CherryHQ/cherry-studio, Significant-Gravitas/AutoGPT, and supabase/supabase. ## 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.