Source: https://seerepo.com/r/ComposioHQ/composio/built Markdown source: https://seerepo.com/r/ComposioHQ/composio/built.md Description: composio is a TypeScript repo built with Hono. It uses AI through ag2, openai-agents, composio, CrewAI, google-adk, and 14 more. # What is composio built with? composio is a TypeScript repo built with Hono. It uses AI through ag2, openai-agents, composio, CrewAI, google-adk, and 14 more, validates its data with Zod, Pydantic, jsonschema, Ajv, zod-to-json-schema, and 2 more, is tested with Vitest, @effect/vitest, and fast-check, deploys with @hono/node-server, and uses Pusher. It has 384,701 written lines, with 669 test files. Read on November 7, 2026, at commit e970677. Repository: https://github.com/ComposioHQ/composio ## Support (/) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 2 files ### Tools - **@changesets/read**: 1 file - **@manypkg/get-packages**: 1 file - **tsdown**: 1 file ### Other - **Effect**: 8 files - **SemVer**: 4 files ## Backend (python) ### AI - **ag2** - **openai-agents** - **composio**: 72 files - **CrewAI**: 2 files - **[google-adk](https://seerepo.com/uses/google-adk)**: 2 files - **[LangGraph](https://seerepo.com/uses/langgraph)**: 2 files - **llama-index**: 2 files - **autogen-core**: 1 file - **[LangChain](https://seerepo.com/uses/langchain)**: 1 file - **typesafe-sdk**: 1 file ### Services - **[OpenAI](https://seerepo.com/uses/openai)**: 2 files · [ts/packages/core/src/provider/OpenAIProvider.ts, line 10](https://github.com/ComposioHQ/composio/blob/e970677aa69f4526009bb535a58d006ca7368e9a/ts/packages/core/src/provider/OpenAIProvider.ts#L10) ## Support (python) ### Validation - **[Pydantic](https://seerepo.com/uses/pydantic)**: 22 files - **[jsonschema](https://seerepo.com/uses/jsonschema)**: 1 file ### Tools - **build** - **Setuptools** - **typing-extensions**: 27 files ### Other - **certifi** - **s** - **websocket-client** - **requests**: 4 files - **urllib3**: 1 file ## Support (ts/packages/cli-keyring) ### Testing - **Vitest**: 5 files ### Other - **Effect**: 1 file ## Frontend (ts/packages/cli) ### Interface - **clack**: 3 files ## Backend (ts/packages/cli) ### Services - **Pusher**: 1 file · [ts/packages/cli/src/services/triggers-realtime.ts, line 53](https://github.com/ComposioHQ/composio/blob/e970677aa69f4526009bb535a58d006ca7368e9a/ts/packages/cli/src/services/triggers-realtime.ts#L53) ## Support (ts/packages/cli) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Testing - **@effect/vitest**: 189 files - **Vitest**: 86 files ### Tools - **tempy**: 29 files - **TypeScript**: 4 files - **openapi-typescript**: 1 file - **Prettier**: 1 file - **source-map-js**: 1 file ### Other - **Effect**: 310 files - **@composio/client**: 37 files - **open**: 3 files - **picocolors**: 3 files - **SemVer**: 3 files - **extract-zip**: 1 file - **fast-string-width**: 1 file - **json5**: 1 file - **mime**: 1 file ## Backend (ts/packages/core) ### Services - **Pusher**: 2 files · [ts/packages/cli/src/services/triggers-realtime.ts, line 53](https://github.com/ComposioHQ/composio/blob/e970677aa69f4526009bb535a58d006ca7368e9a/ts/packages/cli/src/services/triggers-realtime.ts#L53) - **[OpenAI](https://seerepo.com/uses/openai)**: 1 file · [ts/packages/core/src/provider/OpenAIProvider.ts, line 10](https://github.com/ComposioHQ/composio/blob/e970677aa69f4526009bb535a58d006ca7368e9a/ts/packages/core/src/provider/OpenAIProvider.ts#L10) ## Support (ts/packages/core) ### The base - **[Hono](https://seerepo.com/uses/hono)**: 1 file ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 33 files - **[Ajv](https://seerepo.com/uses/ajv)**: 1 file - **[zod-to-json-schema](https://seerepo.com/uses/zod-to-json-schema)**: 1 file ### Testing - **Vitest**: 80 files - **fast-check**: 1 file ### Deploy - **[@hono/node-server](https://seerepo.com/uses/hono-node-server)**: 1 file ### Other - **@composio/client**: 56 files - **picocolors**: 2 files - **mime**: 1 file - **SemVer**: 1 file - **undici**: 1 file ## Backend (ts/packages/experimental) ### AI - **[@earendil-works/pi-coding-agent](https://seerepo.com/uses/earendil-works-pi-coding-agent)**: 4 files - **eve**: 4 files ## Support (ts/packages/experimental) ### Validation - **[typebox](https://seerepo.com/uses/typebox)**: 3 files ### Testing - **Vitest**: 5 files ### Other - **safe-stable-stringify**: 1 file ## Support (ts/packages/json-schema-to-effect-schema) ### Validation - **@cfworker/json-schema**: 1 file ### Testing - **Vitest**: 1 file ### Other - **Effect**: 1 file ## Backend (ts/packages/json-schema-to-zod) ### AI - **[LangChain](https://seerepo.com/uses/langchain)**: 2 files - **@ai-sdk/provider-utils**: 1 file ## Support (ts/packages/json-schema-to-zod) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 5 files - **[Ajv](https://seerepo.com/uses/ajv)**: 4 files - **[zod-to-json-schema](https://seerepo.com/uses/zod-to-json-schema)**: 2 files - **@cfworker/json-schema**: 1 file ### Testing - **Vitest**: 19 files - **fast-check**: 3 files ### Other - **dequal**: 1 file - **re2js**: 1 file ## Support (ts/packages/providers/anthropic) ### Testing - **Vitest**: 2 files ## Support (ts/packages/providers/claude-agent-sdk) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 1 file ### Testing - **Vitest**: 4 files ## Support (ts/packages/providers/cloudflare) ### Testing - **Vitest**: 1 file ### Tools - **[Cloudflare](https://seerepo.com/uses/cloudflare)**: 1 file ## Support (ts/packages/providers/google) ### Testing - **Vitest**: 2 files ## Backend (ts/packages/providers/langchain) ### AI - **[LangChain](https://seerepo.com/uses/langchain)**: 1 file ## Support (ts/packages/providers/langchain) ### Testing - **Vitest**: 2 files ## Backend (ts/packages/providers/llamaindex) ### AI - **llamaindex**: 1 file ## Support (ts/packages/providers/llamaindex) ### Testing - **Vitest**: 3 files ## Backend (ts/packages/providers/mastra) ### AI - **@mastra/core**: 1 file ## Support (ts/packages/providers/mastra) ### Testing - **Vitest**: 5 files ## Backend (ts/packages/providers/openai-agents) ### AI - **@openai/agents**: 1 file ## Support (ts/packages/providers/openai-agents) ### Testing - **Vitest**: 2 files ## Backend (ts/packages/providers/openai) ### Services - **[OpenAI](https://seerepo.com/uses/openai)**: 1 file · [ts/packages/core/src/provider/OpenAIProvider.ts, line 10](https://github.com/ComposioHQ/composio/blob/e970677aa69f4526009bb535a58d006ca7368e9a/ts/packages/core/src/provider/OpenAIProvider.ts#L10) ## Support (ts/packages/providers/openai) ### Testing - **Vitest**: 2 files ## Backend (ts/packages/providers/typesafe) ### AI - **@typesafe-ai/sdk**: 1 file ## Support (ts/packages/providers/typesafe) ### Validation - **[Zod](https://seerepo.com/uses/zod)**: 6 files ### Testing - **Vitest**: 8 files - **fast-check**: 1 file ## Backend (ts/packages/providers/vercel) ### AI - **[ai](https://seerepo.com/uses/ai)**: 1 file ## Support (ts/packages/providers/vercel) ### Testing - **Vitest**: 3 files ## Support (ts/packages/ts-builders) ### Testing - **Vitest**: 23 files ## Other repos with a similar stack - [CopilotKit/CopilotKit](https://seerepo.com/r/CopilotKit/CopilotKit/built): OpenAI, Hono, Zod, CrewAI, google-adk, LangGraph, LangChain, Pydantic, jsonschema, zod-to-json-schema, @hono/node-server, @cfworker/json-schema, @mastra/core, ai · [Compare](https://seerepo.com/compare/ComposioHQ/composio/vs/CopilotKit/CopilotKit) - [vectorize-io/hindsight](https://seerepo.com/r/vectorize-io/hindsight/built): OpenAI, Zod, ag2, openai-agents, CrewAI, google-adk, autogen-core, LangChain, Pydantic, eve, ai · [Compare](https://seerepo.com/compare/ComposioHQ/composio/vs/vectorize-io/hindsight) - [firecrawl/firecrawl](https://seerepo.com/r/firecrawl/firecrawl/built): OpenAI, Zod, Pydantic, Ajv, zod-to-json-schema, @typesafe-ai/sdk, ai · [Compare](https://seerepo.com/compare/ComposioHQ/composio/vs/firecrawl/firecrawl) - [rohitg00/ai-engineering-from-scratch](https://seerepo.com/r/rohitg00/ai-engineering-from-scratch/built): OpenAI, Hono, Zod, google-adk, LangChain, @hono/node-server, @mastra/core · [Compare](https://seerepo.com/compare/ComposioHQ/composio/vs/rohitg00/ai-engineering-from-scratch) - [n8n-io/n8n](https://seerepo.com/r/n8n-io/n8n/built): OpenAI, Zod, LangChain, Ajv, @ai-sdk/provider-utils, ai · [Compare](https://seerepo.com/compare/ComposioHQ/composio/vs/n8n-io/n8n) - [Significant-Gravitas/AutoGPT](https://seerepo.com/r/Significant-Gravitas/AutoGPT/built): OpenAI, Zod, typesafe-sdk, Pydantic, jsonschema, ai · [Compare](https://seerepo.com/compare/ComposioHQ/composio/vs/Significant-Gravitas/AutoGPT) ## Frequently asked questions ### What language is composio written in? composio is written in TypeScript, with 384,701 written lines. ### What framework does composio use? composio is built with Hono. ### Does composio use AI? Yes. composio uses AI through ag2, openai-agents, composio, CrewAI, google-adk, LangGraph, llama-index, autogen-core, LangChain, typesafe-sdk, OpenAI, @earendil-works/pi-coding-agent, eve, @ai-sdk/provider-utils, llamaindex, @mastra/core, @openai/agents, @typesafe-ai/sdk, and ai. ### What services does composio use? composio uses Pusher. The proof: [ts/packages/cli/src/services/triggers-realtime.ts, line 53](https://github.com/ComposioHQ/composio/blob/e970677aa69f4526009bb535a58d006ca7368e9a/ts/packages/cli/src/services/triggers-realtime.ts#L53) ### Does composio have tests? Yes. composio has 669 test files and is tested with Vitest, @effect/vitest, and fast-check. ### Which repos have a stack like composio's? The ones that share most of its stack: CopilotKit/CopilotKit, vectorize-io/hindsight, and firecrawl/firecrawl. ## 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.