tsc-rs

A complete rewrite of the TypeScript compiler, type checker, and LSP in Rust.

Typescript clone

Description

An open-source drop-in replacement for tsc built entirely in Rust using AI agents. The project involved a significant token spend (~$400k on Codex and ~$20k on Opus) and was notably completed without the creator reading a single line of the code.

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Details

Why this is interesting: A massive compiler rewrite project successfully offloaded to AI agents with a high-budget token spend and zero human…
Attributed to: @theo
Built with: Codex Redwood AI Opus 5.5
Tags: #typescript #rust #compiler #lsp

Discovered: X
First posted: X · Oct 11, 2026
Listed: Added 2h ago
Build: Moderate
Models: Strong

tsc-rs

Description

How it grew

tsc-rs

Description

How it grew