Mastra

API / SDK

Open Source

The Javascript framework for building AI agents, from the Gatsby devs

Company

Anthropic's agentic coding tool. Lives in the terminal, understands your whole codebase, and edits files, runs commands and opens PRs on your behalf.

The tool that mainstreamed AI pair programming. Inline completion, chat and an agent mode, integrated across VS Code, JetBrains and GitHub itself.

Self-driving observability, evals, and gateway for AI agents