Pi spent much of the past year leaving MCP out of its coding agent , even as the protocol became standard across developer tools. Its creator, Mario Zechner , had a concrete reason for resisting it. When he measured the context cost of popular browser-automation servers, Chrome DevTools MCP alone took up roughly 18,000 tokens, or about 9% of a 200,000-token context window, before the agent had done anything useful. MCP is now built into Pi, but connecting a server doesn’t put all of its tools in front of the model. Pi leaves those definitions out of the prompt and uses Codemode to find tools...

Source: The New Stack