BrainGrid is an AI-powered product management agent that turns plain-English ideas into engineering-grade specs, scoped tasks, and production-ready prompts by analyzing your codebase (GitHub/branch-aware, large-context analysis), generating acceptance tests and dependencies, and auto-reviewing agent-generated code; teams and solo builders use it to avoid vague prompts, reduce rework, and reliably ship real software with AI coding tools like Cursor, Claude Code, Codex, Replit, or Lovable via MCP/CLI or copy‑paste.