MCP server that saves up to 90% tokens when AI reads code. Returns AST structural overviews instead of dumping full files. 18 tools: smart_read, read_symbol, read_for_edit, find_usages, project_overview, and more. Works with Claude Code, Cursor, Codex, Cline. Supports 29 languages via ast-index + regex fallback for TS/JS/Python without binary.