Labsco
MCP SERVER

Code Understanding

by codingthefuturewithai ↗

Clones a repository — GitHub or local — and hands back the structure, a semantic map of its functions and classes, its most critical files and its documentation.

Code Intelligence & Repository Indexing✓ Verified
Summary
It reads an unfamiliar repository properly before anyone asks a model to change it.

The order it expects is check the cache, refresh, then analyse — a cached clone goes stale, and analysis built on a stale copy is analysis of the wrong code. Two levers keep large repositories workable: a max_tokens ceiling on the repository map, and scoping it to named files or directories so you can map one package instead of the whole tree.

What it is

A codebase-analysis server that caches repositories locally and answers structural questions about them, so an assistant can understand a project before touching it.

What you get
  • clone_repo pulls a GitHub repository or a local codebase into the server's cache and starts building the repository map straight away
  • list_remote_branches shows what a remote actually has before you clone — worth it when the default branch is not main
  • list_cached_repository_branches tells you whether it is already cached, and refresh_repo brings a stale copy up to date before you analyse it
  • get_source_repo_map returns a semantic map — file hierarchy, functions, classes and methods, and the relationships between them — scoped to files or directories, with a max_tokens ceiling
  • get_repo_structure returns the tree with optional file listings, restricted to the directories you name
  • get_repo_critical_files ranks files by complexity-based importance, optionally showing the metrics behind the ranking
  • get_repo_documentation gathers READMEs, API documentation, design documents, user guides and installation instructions
  • get_repo_file_content reads one file or lists a directory inside the cached repository
Requirements

Uv on the machine — the server runs as uvx code-understanding-mcp-server, or from a virtual environment created with uv venv. No credentials for public repositories; GITHUB_PERSONAL_ACCESS_TOKEN unlocks private ones and lifts GitHub's rate limits. Arguments tune the cache: --cache-dir moves it from ~/.cache/mcp-code-understanding and --max-cached-repos changes how many are kept (default 10). --transport selects stdio or sse, with --port for the SSE case (default 3001). The author has tested macOS and Linux; Windows is unverified.

Setup effort

One command — uvx code-understanding-mcp-server