Callout

Callout is an open-source Model Context Protocol (MCP) server that provides AI-powered, multi-perspective architecture and code reviews to help developers uncover blind spots, prioritize effectively, and avoid over-engineering. Designed to work seamlessly inside editors like Claude Code, Cursor, VS Code, and Windsurf, Callout delivers actionable feedback using 9 expert perspectives (technical, business, founder) and automates project review, coaching, idea scoring, documentation gating, tool recommendations, and more. Callout is ideal for developers and product teams leveraging AI coding tools who want smarter project validation and guidance within their workflow.