Source: https://seerepo.com/r/mastra-ai/mastra
Markdown source: https://seerepo.com/r/mastra-ai/mastra.md
Description: mastra-ai/mastra is a TypeScript repo with 3,812,739 lines written in 9,739 files. mastra is built with React and Vite and uses Redis, MCP, OpenAI, and 3 more.

# What's inside mastra-ai/mastra

mastra-ai/mastra is a TypeScript repo with 3,812,739 lines written in 9,739 files. mastra is built with React and Vite and uses Redis, MCP, OpenAI, and 3 more. AI signed 6% of the 20,978 commits of mastra.

Its description on GitHub: “Mastra is the modern TypeScript framework for AI-powered applications and agents.”

TypeScript · 29,277 stars · GitHub: https://github.com/mastra-ai/mastra

Read on November 2, 2026, at commit 7daa2e1.

## Its folders

- [What is mastra built with?](https://seerepo.com/r/mastra-ai/mastra/built): mastra is built with React and Vite and uses Redis, MCP, OpenAI, and 3 more.
- [How much of mastra did AI write?](https://seerepo.com/r/mastra-ai/mastra/ai): AI signed 6% of the 20,978 commits of mastra.

## In figures

- 3,812,739 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 9,739 files: The product’s, not counting tests.
- 6,660 test files: The files that test the code.
- 8 technologies: Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

## Frequently asked questions

### What is mastra-ai/mastra?

mastra-ai/mastra is a TypeScript repo with 3,812,739 lines written in 9,739 files. Its description on GitHub: “Mastra is the modern TypeScript framework for AI-powered applications and agents.”

The proof: [its page on GitHub](https://github.com/mastra-ai/mastra)

### What is mastra built with?

mastra is built with React and Vite and uses Redis, MCP, OpenAI, and 3 more.

The proof: [each service with its file and line](https://seerepo.com/r/mastra-ai/mastra/built)

### How much of mastra did AI write?

AI signed 6% of the 20,978 commits of mastra.

The proof: [the commits each tool signed](https://seerepo.com/r/mastra-ai/mastra/ai)

### How many stars does mastra have on GitHub?

mastra had 29,277 stars on GitHub on November 2, 2026.

The proof: [its page on GitHub](https://github.com/mastra-ai/mastra)

## Add this badge to your README

It links to this page and updates itself each time SeeRepo reads the repo.

```markdown
[![mastra-ai/mastra on SeeRepo](https://seerepo.com/badge/mastra-ai/mastra.svg)](https://seerepo.com/r/mastra-ai/mastra?de=insignia)
```

## 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.