Your agent is spending more time finding code than understanding it

I kept watching agents do the same thing. Given a real task in a real codebase, they'd spend the first half of the session navigating — grepping, opening files, reading imports, going back, grepping again — and only after that get to the part they're actually good at: reasoning, planning, writing code. The context window isn't infinite. Every token spent locating a file is a token not spent thinking about it. So I built coldstart . It's an MCP server that gives agents a static index over a codeb