🤖 Claude, Codex, and Cursor don't agree on tools. At all.
Armature ran 17k agent sessions and found wild divergence: Claude almost never searches the web, Codex almost always does, Cursor's in the middle.
Also: LangChain, Supabase, and Netlify get mentioned constantly. Never chosen.
Armature
Which tools do Claude Code, Codex and Cursor choose? We measured 16,893 sessions to find out.
We watched almost 17k sessions across different types of personas, with 1,163 prompt variations, 75 repositories and 3 coding agents (Claude Code, Codex, Cursor) actually implementing the solutions instead of just recommending one.
September 4, 2026 669 2
