Is Better Code Review Graph free?

Yes, Better Code Review Graph is free to use.

How do I install Better Code Review Graph?

Better Code Review Graph is a local plugin. Install it using PyPI package: better-code-review-graph and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Better Code Review Graph need?

Better Code Review Graph requires the following credentials or environment variables: EMBEDDING_BACKEND, API_KEYS, LITELLM_PROXY_URL, LITELLM_PROXY_KEY. You can find setup instructions on the server detail page.

What AI apps work with Better Code Review Graph?

Better Code Review Graph uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

Back to Browse

Better Code Review Graph MCP Server

by N24q02m

Developer ToolsLow Risk10.0MCP RegistryLocal

Free

Server data from the Official MCP Registry

Knowledge graph for token-efficient code reviews with fixed search and configurable embeddings

About

Knowledge graph for token-efficient code reviews with fixed search and configurable embeddings

Security Report

10.0

Low Risk10.0Low Risk

Valid MCP server (3 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry. Trust signals: trusted author (21/22 approved). 1 finding(s) downgraded by scanner intelligence.

5 files analyzed · 1 issue found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

Permissions Required

This plugin requests these system permissions. Most are normal for its category.

file_system

Check that this permission is expected for this type of plugin.

env_vars

Check that this permission is expected for this type of plugin.

Shell Command Execution

Runs commands on your machine. Be cautious — only use if you trust this plugin.

What You'll Need

Set these up before or after installing:

Embedding backend override: 'local' (qwen3-embed ONNX) or 'litellm' (cloud). Auto-detected if omitted.Optional

Environment variable: EMBEDDING_BACKEND

API keys for LiteLLM cloud embedding (format: ENV_VAR:key). Enables LiteLLM backend.Required

Environment variable: API_KEYS

LiteLLM Proxy URL for self-hosted gateway. Enables LiteLLM backend via proxy.Optional

Environment variable: LITELLM_PROXY_URL

LiteLLM Proxy virtual key.Required

Environment variable: LITELLM_PROXY_KEY

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-n24q02m-better-code-review-graph": {
      "env": {
        "API_KEYS": "your-api-keys-here",
        "EMBEDDING_BACKEND": "your-embedding-backend-here",
        "LITELLM_PROXY_KEY": "your-litellm-proxy-key-here",
        "LITELLM_PROXY_URL": "your-litellm-proxy-url-here"
      },
      "args": [
        "better-code-review-graph"
      ],
      "command": "uvx"
    }
  }
}

Documentation

View on GitHub

From the project's GitHub README.

Better Code Review Graph

mcp-name: io.github.n24q02m/better-code-review-graph

Knowledge graph for token-efficient code reviews -- fixed search, configurable embeddings, qualified call resolution.

Fork of code-review-graph with critical bug fixes, configurable embeddings, and production CI/CD. Parses your codebase with Tree-sitter, builds a structural graph of functions/classes/imports, and gives Claude (or any MCP client) precise context so it reads only what matters.

Features

Feature	code-review-graph	better-code-review-graph
Multi-word search	Broken (literal substring)	AND-logic word splitting
callers_of/callees_of	Empty results (bare name targets)	Qualified name resolution + bare fallback
Embedding	sentence-transformers + torch (1.1 GB)	qwen3-embed ONNX + cloud (200 MB), dual-mode
Output size	Unbounded (500K+ chars)	Paginated (max_results, truncated flag)
Tool design	9 individual tools	6 tools: graph + query + review + config + setup + help
Plugin hooks	Invalid PostEdit/PostGit	Valid PostToolUse

Setup

With AI Agent -- copy and send this to your AI agent:

Please set up better-code-review-graph for me. Follow this guide: https://raw.githubusercontent.com/n24q02m/better-code-review-graph/main/docs/setup-with-agent.md

Manual Setup -- follow docs/setup-manual.md

Tools

`graph` -- Graph lifecycle

Actions: build | update | stats | embed

Action	Description
`build`	Full or incremental graph build. Set `full_rebuild=true` to re-parse all files.
`update`	Alias for `build` with `full_rebuild=false` (incremental).
`stats`	Graph size, languages, node/edge breakdown, embedding count.
`embed`	Compute vector embeddings for semantic search. Dual-mode: local ONNX or cloud.

`query` -- Graph queries

Actions: query | search | impact | large_functions

Action	Description
`query`	Predefined pattern queries: `callers_of`, `callees_of`, `imports_of`, `importers_of`, `children_of`, `tests_for`, `inheritors_of`, `file_summary`.
`search`	Search code entities by name/keyword or semantic similarity.
`impact`	Blast radius of changed files. Auto-detects from git diff. Paginated with `max_results`.
`large_functions`	Find functions/classes exceeding a line-count threshold.

`review` -- Code review context

Token-optimized review context with structural summary, source snippets, and review guidance. Auto-detects changed files from git diff.

`config` -- Server configuration

Actions: status | set | cache_clear

Action	Description
`status`	Server info: version, graph path, node/edge counts, embedding backend.
`set`	Update runtime settings (e.g., `log_level`).
`cache_clear`	Remove all computed embeddings.

`setup` -- Credential setup

Actions: status | start | skip | reset | complete

Action	Description
`status`	Show current credential state and setup URL.
`start`	Start relay setup to configure API keys via browser.
`skip`	Set local mode (skip relay permanently, use ONNX only).
`reset`	Clear credentials and reset state.
`complete`	Re-resolve credentials from environment variables.

`help` -- Full documentation

Topics: graph | query | review | config

Returns complete documentation for each tool. Use when the compressed descriptions above are insufficient.

Security

Graceful fallbacks -- Cloud embedding failure falls back to local ONNX
Error handling -- Tools return error strings with fix suggestions, never crash
Read-only mount -- Docker mode mounts repo as :ro (read-only)

Build from Source

git clone https://github.com/n24q02m/better-code-review-graph
cd better-code-review-graph
uv sync --group dev
uv run pytest
uv run better-code-review-graph

Requirements: Python 3.13, uv

License

MIT -- See LICENSE.

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Better Code Review Graph MCP Server

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