← Use cases · Building agents
AI agents for building agents in typescript
Short answer: Mastra is the TypeScript-first framework we track, with sandbox providers (Docker, E2B) for agents that run code. If your team is Python, look at Pydantic AI or LangGraph instead.
Tools for this job
| # | Tool | Why for this job | AgentPick Score | Link |
|---|---|---|---|---|
| #1 |  Mastra core | TypeScript framework with Docker/E2B sandbox providers | 86/100 | Official source ↗ |
| #2 |  OpenAI Agents SDK | Alternative if you are on OpenAI (Python) | 86/100 | Official source ↗ |
Ordered by AgentPick Score. Links may become affiliate links; they never change order. Disclosure.
How to do it
- Start from one agent and one tool.
- Run code-executing tools in a sandbox, not on your host.
- Add memory only when a task needs it.
- Log every tool call.
Starter prompt
Scaffold a Mastra agent with one tool, [tool], that runs inside a sandbox. Include a script to run it locally and a test.
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