What's inside mastra-ai/mastra

Its folders

TechnologiesWhat is mastra built with?mastra is built with React and Vite and uses Redis, MCP, OpenAI, and 3 more.Who writes itHow much of mastra did AI write?6%AI signed 6% of the 20,978 commits of mastra.

In figures

lines written

3,812,739

The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.

files

9,739

The product’s, not counting tests.

test files

6,660

The files that test the code.

technologies

8

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

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

How much of mastra did AI write?

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

The proof: the commits each tool signed

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