Source: https://seerepo.com/r/Effect-TS/effect
Markdown source: https://seerepo.com/r/Effect-TS/effect.md
Description: Effect-TS/effect is a TypeScript repo with 1,052,986 lines written. effect is built with React, scheduler, Solid, and Vue and uses Redis, SQLite, and MySQL.

# What's inside Effect-TS/effect

Effect-TS/effect is a TypeScript repo with 1,052,986 lines written. effect is built with React, scheduler, Solid, and Vue and uses Redis, SQLite, and MySQL. AI signed 1.8% of the 12,269 commits of effect.

Its description on GitHub: “Build production-ready applications in TypeScript”

TypeScript · MIT · 17,497 stars · GitHub: https://github.com/Effect-TS/effect

Read on November 6, 2026, at commit 9428e17.

## More on this repo

- [What is effect built with?](https://seerepo.com/r/Effect-TS/effect/built): effect is built with React, scheduler, Solid, and Vue and uses Redis, SQLite, and MySQL.
- [How much of effect did AI write?](https://seerepo.com/r/Effect-TS/effect/ai): AI signed 1.8% of the 12,269 commits of effect.

## In figures

- 1,052,986 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 1,112 files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 885 test files: The files that test the code.
- 16 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 Effect-TS/effect?

Effect-TS/effect is a TypeScript repo with 1,052,986 lines written. Its description on GitHub: “Build production-ready applications in TypeScript”

The proof: [its page on GitHub](https://github.com/Effect-TS/effect)

### What is effect built with?

effect is built with React, scheduler, Solid, and Vue and uses Redis, SQLite, and MySQL.

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

### How much of effect did AI write?

AI signed 1.8% of the 12,269 commits of effect.

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

### What license does effect have?

effect is released under the MIT license.

The proof: [its page on GitHub](https://github.com/Effect-TS/effect)

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

effect had 17,497 stars on GitHub on November 6, 2026.

The proof: [its page on GitHub](https://github.com/Effect-TS/effect)

## Add this badge to your README

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

```markdown
[![Effect-TS/effect on SeeRepo](https://seerepo.com/badge/Effect-TS/effect.svg)](https://seerepo.com/r/Effect-TS/effect?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.