Harnesses
Cursor
5 projects
Database Very high Author claimed
minisqlite
A Rust reimplementation of SQLite's SQL dialect, planner, executor, transactions, and on-disk format, published by Cursor.
Browser engine Very high Verified
FastRender
An experimental Rust browser engine developed as part of Cursor's research into collaborative parallel AI coding agents.
GPU kernel Very high Verified
Cursor NVIDIA kernel optimizations
Kernels produced by Cursor's multi-agent system in a collaboration with NVIDIA, reported to reach a 38% geomean speedup on 235 Blackwell problems.
Kernel High Author claimed
vibix
An experimental Rust x86_64 kernel built almost entirely by Claude and Cursor agents looping through plan, implementation, pull request, review, and merge.
GPU kernel Very high Unverified
KernelSeek
A question-driven CUDA kernel optimization agent that, according to its paper, produced dependency-free FlashAttention forward kernels faster than FA3 and FA4 on the authors' suites.