Leave out repository overviews

Do not add repository overviews to the agent's context.

By Mackenzie Bowes · mackenzie@mackenziebowes.com · @_mackenziebowes on X

Is a

Guard

Across four coding agents, context files raised cost by over 20 percent without improving success; the files' instructions were well followed, but repository overviews "are not helpful" (Evaluating AGENTS.md).