Rules FAQs

Question 1

How does Rules ensure high performance and efficiency?

Accepted Answer

Built in Rust, Rules boasts impressive performance with sub-1ms search times for its entire rule index. It uses an efficient in-memory index (~5MB) and has zero external runtime dependencies, ensuring a lean and robust server environment. Rules also features automatic caching of the rules repository for quick startup after the initial run.

Question 2

What is Rules (RulesMCP)?

Accepted Answer

Rules is a high-performance, zero-dependency Rust server that implements the Model Context Protocol (MCP). It provides AI coding standards and guidelines by allowing users to look up over 290 rules across more than 20 programming languages.

Question 3

What are the main features for interacting with coding rules?

Accepted Answer

Rules offers 7 comprehensive MCP tools (e.g., search, get, list rules), weighted search with token-based scoring across multiple rule attributes, structured learning paths with phased rule reading order, and an edge graph to navigate rule dependencies and relationships.

Question 4

How many rules and languages does Rules support?

Accepted Answer

Rules indexes over 290 coding rules across more than 20 programming languages and categories. This includes specific languages like Rust, Python, JavaScript, C++, and global best practices covering architecture, files, and technical debt.

Rules

Rules

Key Features

Use Cases

Key Features

Use Cases