If you're building with an AI agent this weekend, you already know the two ways it fails on a new chain: it hallucinates facts — chain ids, addresses, selectors that don't exist — and it doesn't know the pattern — which example to copy, how the pieces fit. On a 48-hour clock, either one kills the project. Rome ships the fix as a first-class part of the platform: rome — one tool, two surfaces, built for agents. A CLI — for terminal agents and shell-outs. An MCP server — rome mcp — for desktop ...