LangChain's no-code agent builder: describe the job, it writes its own instructions.
Visit LangSmith Agent Builder ↗ Suggest an edit
Official video: “Introducing: LangSmith Agent Builder” — LangChain (official)
No-code agent creation inside LangSmith from the LangChain team: describe a task, the agent drafts its instructions, picks tools and learns from feedback. Runs are traced in LangSmith. source
| Free tier | Developer plan: free, 5,000 base traces/month source |
| Paid from | Plus $39/seat/month source |
| Note | Model and tool costs billed separately source |
Last checked: 2026-10-17