Source: https://seerepo.com/uses/langsmith
Markdown source: https://seerepo.com/uses/langsmith.md
Description: 10 public repos that SeeRepo read use langsmith. It's used most with Pydantic, OpenAI, and LangChain.

# Open source repos that use langsmith

10 public repos that SeeRepo read use langsmith. It's used most with Pydantic, OpenAI, and LangChain.

## Used most with

- Pydantic: 4 repos
- OpenAI: 3 repos
- LangChain: 3 repos
- Redis: 2 repos
- Postgres: 2 repos
- Resend: 2 repos
- Hono: 2 repos
- React: 2 repos

## The repos, by stars

1. [firecrawl/firecrawl](https://seerepo.com/r/firecrawl/firecrawl): TypeScript · 198,742 stars · 9.4% signed by AI — Supercharge your AI agents with data from the web and beyond. Building the library for superintelligence. 🔥
2. [langgenius/dify](https://seerepo.com/r/langgenius/dify): Python · 160,382 stars · 5.1% signed by AI — Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype to production without rebuilding the stack.
3. [langchain-ai/langchain](https://seerepo.com/r/langchain-ai/langchain): Python · 148,995 stars · 0.3% signed by AI — The agent engineering platform.
4. [HKUDS/Vibe-Trading](https://seerepo.com/r/HKUDS/Vibe-Trading): Python · 37,785 stars · 5.9% signed by AI — "Vibe-Trading: Your Personal Trading Agent"
5. [onyx-dot-app/onyx](https://seerepo.com/r/onyx-dot-app/onyx): Python · 33,270 stars · 11.7% signed by AI — Open Source AI Platform - AI Chat with advanced features that works with every LLM
6. [NVIDIA/SkillSpector](https://seerepo.com/r/NVIDIA/SkillSpector): Python · 24,278 stars · 19.5% signed by AI — Security scanner for AI agent skills. Detect vulnerabilities, malicious patterns, security risks, prompt injection, data exfiltration, and supply-chain risks in Claude Code, Codex, and MCP skills before you install them.
7. [GoogleCloudPlatform/microservices-demo](https://seerepo.com/r/GoogleCloudPlatform/microservices-demo): Go · 21,142 stars — Sample cloud-first application with 10 microservices showcasing Kubernetes, Istio, and gRPC.
8. [langbot-app/LangBot](https://seerepo.com/r/langbot-app/LangBot): Python · 18,753 stars · 4.4% signed by AI — Production-grade platform for building agentic IM bots - 生产级多平台智能机器人开发平台/ Agent、知识库编排、插件系统 / Bots for Discord / Slack / LINE / Telegram / WeChat(企业微信, 企微智能机器人, 公众号) / 飞书 / 钉钉 / QQ / Matrix e.g. Integrated with ChatGPT(GPT), DeepSeek, Dify, n8n, Langflow, Coze, Claude, Gemini, GLM, Ollama, SiliconFlow, Kimi, openclaw / hermes agent, deerflow
9. [langchain-ai/langchainjs](https://seerepo.com/r/langchain-ai/langchainjs): TypeScript · 18,327 stars · 0.6% signed by AI — The agent engineering platform
10. [langchain-ai/openwiki](https://seerepo.com/r/langchain-ai/openwiki): TypeScript · 17,785 stars · 10.7% signed by AI — OpenWiki is a CLI that writes and maintains agent documentation for your codebase.

## Frequently asked questions

### What is the most popular open source repo that uses langsmith?

firecrawl/firecrawl, with 198,742 stars on GitHub.

The proof: [firecrawl/firecrawl on GitHub](https://github.com/firecrawl/firecrawl)

### What other technologies is langsmith used with?

With Pydantic (4), OpenAI (3), LangChain (3), Redis (2), and Postgres (2), out of the 10 repos that use it.

### What languages are the repos that use langsmith written in?

Python (6), TypeScript (3), and Go (1).

### How many repos that use langsmith have commits signed by AI?

9 of the 10; the most, NVIDIA/SkillSpector, with 19.5% of its commits.

The proof: [the commits each tool signed in NVIDIA/SkillSpector](https://seerepo.com/r/NVIDIA/SkillSpector/ai)

## 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.