Roberto FAQs

Question 1

What is Roberto and what is its primary function?

Accepted Answer

Roberto is a lightning-fast, language-agnostic Model Context Protocol (MCP) server built in Rust. Its primary function is to provide instant code analysis, symbol lookups, reference tracking, and semantic search capabilities for large codebases, specifically optimized for integration with AI and LLM tools.

Question 2

How does Roberto achieve such high performance for code analysis?

Accepted Answer

Roberto leverages Rust for performance and safety, offering <1ms symbol lookups and indexing over 100 files per second. It uses lock-free concurrency, smart binary caching for <1s startup, and incremental updates with SHA-256 change detection for real-time accuracy.

Question 3

Which code analysis features does Roberto provide for developers?

Accepted Answer

Roberto provides robust features including instant symbol lookups, finding symbol references, fuzzy symbol search, full-text BM25 statistical code search, and generating structured outlines for both individual files and entire directories. It supports 15+ programming languages.

Question 4

How does Roberto integrate with AI and LLM development workflows?

Accepted Answer

Roberto acts as an MCP server, supplying structured code context via a JSON-RPC stdio protocol. This makes it an ideal backend for Retrieval-Augmented Generation (RAG), agentic AI, and other LLM-powered tools, enabling them to understand and interact with codebases effectively, as demonstrated by its integration with Amazon Q CLI.

Question 5

Is Roberto suitable for very large and complex codebases?

Accepted Answer

Absolutely. Roberto is engineered for large codebases, featuring efficient memory management with LRU eviction, error resilience, and high-speed indexing designed to handle extensive projects without performance degradation. Its incremental update system ensures accuracy even in rapidly changing environments.

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