Scanner FAQs

Question 1

What is Scanner and how does it help developers?

Accepted Answer

Scanner is an MCP server designed to index C++ repositories, providing AI coding agents with structured code data, dependency graphs, and file importance rankings. It helps AI agents understand and interact with C++ projects more effectively, accelerating development workflows.

Question 2

Does Scanner offer fast data retrieval for large repositories?

Accepted Answer

Yes, Scanner utilizes a shared cache. After the initial parsing of a repository, subsequent calls to analyze code, dependencies, or rankings return data instantly, significantly speeding up repeated analysis.

Question 3

What kind of C++ code data can Scanner extract?

Accepted Answer

Scanner can list all files with metadata, extract detailed code elements like includes, classes, structs, functions, and namespaces using tree-sitter AST. It also generates forward and reverse dependency graphs between files.

Question 4

How does Scanner determine file importance?

Accepted Answer

Scanner ranks file importance based on a scoring heuristic that considers factors such as incoming and outgoing dependencies, the number of symbols defined, and the frequency of file inclusions across the repository.

Question 5

What are the technical requirements to use Scanner?

Accepted Answer

Scanner requires CMake ≥ 3.14, a C++17 compliant compiler (e.g., GCC 9+, Clang 10+), and is currently supported on Linux (x86_64) systems.

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