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code-review-graph-vscode

README.md

Code Review Graph for VS Code

Visualize code dependencies, blast radius, and review context from your code graph -- directly in VS Code.

Features

  • Code Graph Explorer -- Browse files, classes, functions, and their relationships in a tree view
  • Blast Radius -- See which files and symbols are impacted when you change code
  • Review Changes -- Automatically detect git changes and show their blast radius
  • Find Callers / Callees -- Trace all callers or callees of any function
  • Find Tests -- Locate tests for any symbol
  • Query Graph -- Run semantic queries (callers, callees, imports, inheritance, tests) with 8 patterns
  • Find Large Functions -- Identify functions or classes exceeding a line-count threshold
  • Interactive Graph -- Force-directed D3.js visualization of your code dependencies
  • Live Search -- Fuzzy search across your entire code graph with instant results
  • Compute Embeddings -- Generate vector embeddings for semantic search
  • Watch Mode -- Continuous graph updates as you work
  • Auto-Update -- Graph rebuilds in the background when you save files

Quick Start

1. Install the Extension

Install Code Review Graph from the VS Code Marketplace.

2. Install the Backend

The extension requires the code-review-graph Python CLI to parse your codebase.

# Recommended
uv pip install code-review-graph

# Alternatives
pipx install code-review-graph
pip install code-review-graph

Requires Python 3.10+.

3. Build Your Graph

Open the Command Palette (Ctrl+Shift+P) and run Code Graph: Build Graph.

The graph database is stored locally at .code-review-graph/graph.db and updates automatically on file save.

Commands

Command Description
Code Graph: Build Graph Parse the codebase and create the graph database
Code Graph: Update Graph Incrementally update the graph
Code Graph: Show Blast Radius Show the blast radius for a symbol
Code Graph: Review Changes Analyze git changes and show impacted files
Code Graph: Find Callers Find all callers of a function
Code Graph: Find Callees Find all functions called by a target
Code Graph: Find Tests Find tests for a symbol
Code Graph: Find Large Functions Find functions/classes exceeding a size threshold
Code Graph: Query Graph Run semantic queries (8 patterns: callers_of, callees_of, etc.)
Code Graph: Search Search the code graph
Code Graph: Show Graph Open the interactive graph visualization
Code Graph: Compute Embeddings Generate vector embeddings for semantic search
Code Graph: Watch Mode Run graph in watch mode for continuous updates

Settings

Setting Default Description
codeReviewGraph.cliPath "" Path to the CLI binary. Leave empty to auto-detect.
codeReviewGraph.autoUpdate true Auto-update the graph on file save.
codeReviewGraph.blastRadiusDepth 2 Max traversal depth for blast radius (1--10).
codeReviewGraph.graphTheme "auto" Graph color theme: auto, light, or dark.
codeReviewGraph.graph.maxNodes 500 Max nodes in the graph visualization (10--5000).
codeReviewGraph.graph.defaultEdges All except CONTAINS Edge types shown by default.

Requirements

  • VS Code 1.85+
  • Python 3.10+ (for the backend CLI)
  • A workspace with source code to analyze

Links

License

MIT