A technical report on Composer 2

Improving Composer through real-time RL

Fast regex search: indexing text for agent tools

Introducing Composer 2

Training Composer for longer horizons

How we compare model quality in Cursor

Implementing a secure sandbox for local agents

Introducing Composer 1.5

Towards self-driving codebases

Securely indexing large codebases

Building a better Bugbot

Scaling long-running autonomous coding