crg

io.github.n24q02m/crg

7/7 checks passed
Runs locally
2 secrets
★ 76 GitHub stars
Updated 2026-10-27
Health score 79

About crg

crg is an MCP server published by the GitHub account n24q02m. Token-efficient code review knowledge graph: semantic search and call-graph resolution.

It runs on your own machine: your AI client starts it from the PyPI package better-code-review-graph at version 3.31.0.

It asks for 2 secrets: HULL_EMBED_API_KEY and HULL_CHAT_API_KEY. Give it a key with the least access that still works.

Version 3.31.0 was published on 27 October 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 9 automated checks on the registry entry and the package code: 7 pass, 0 warn, 0 fail, 2 info. How we check.

What it asks for

Variable	Required	Secret	Description
`EMBEDDING_MODELS`	No	No	Embedding models in selection order; the current runtime uses the first provider/model entry; empty = local ONNX
`LOCAL_EMBEDDING_MODEL`	No	No	Built-in fastretrieval model ID or local directory with fastretrieval-manifest.json
`LOCAL_RERANK_MODEL`	No	No	Fastretrieval TextCrossEncoder model ID; empty = reranking disabled
`LOCAL_EMBEDDING_DIM`	No	No	Required positive output dimension for an external local embedding ID without a manifest
`LOCAL_EMBEDDING_MODEL_FILE`	No	No	ONNX file path inside a manifest-backed local embedding directory
`LOCAL_EMBEDDING_POOLING`	No	No	Explicit pooling for an external local embedding ID without a manifest
`LOCAL_EMBEDDING_NORMALIZE`	No	No	Explicit L2 normalization for an external local embedding ID without a manifest
`HULL_EMBED_API_KEY`	No	Yes	API key for the [models.embed] cell transport (OpenRouter pre-wired default); host-injected, overrides the cell api_key
`HULL_CHAT_API_KEY`	No	Yes	API key for the [models.chat] cell transport (OpenRouter pre-wired default); host-injected, enables LLM summaries when the cell model is set
`EMBEDDING_BACKEND`	No	No	DEPRECATED (honored one release): embedding backend override 'local' or 'cloud'. Use EMBEDDING_MODELS instead.

Checks

Check	Result	Detail
Source repository linked	Pass	https://github.com/n24q02m/crg.git
Version pinned	Pass	Every package has an explicit version
Secrets requested	Info	Asks for 2 secrets: HULL_EMBED_API_KEY, HULL_CHAT_API_KEY
Known package registry	Pass	All packages come from npm, PyPI, OCI, NuGet or MCPB
Namespace ownership	Info	Name verified via GitHub account n24q02m
Registry text aimed at the AI	Pass	Description and settings contain no hidden characters or instructions to the AI
Install scripts	Pass	better-code-review-graph 3.31.0 has no setup.py; nothing runs at install
Code red flags	Pass	Read 231 files in better-code-review-graph 3.31.0: no obfuscation, encoded execution, credential reads or data-collection endpoints found
Text aimed at the AI	Pass	No hidden characters or instructions to the AI in 231 files, including comments and the README

Popularity & health: 79 / 100

Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.

Popularity19 / 40

76 GitHub stars, 586 downloads last week, 0 Hacker News posts (0 points). Best two of the three, each on a log scale.

Activity25 / 25

Last push 2026-10-28, last release 2026-10-27, 285 commits in 90 days.

Issue health15 / 15

125 closed of 126 issues.

Our checks20 / 20

0 warnings, each costing a fifth.

10 forks, 543 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.

What people say

No Hacker News threads link to its source code.

Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.

Facts

Registry name	`io.github.n24q02m/crg`
Publisher	GitHub account n24q02m
How the name is verified	Name verified via GitHub account n24q02m. The registry ties the name prefix to that account or domain; it does not check the code.
Type	Local: runs on your machine from a package
Packages	pypi `better-code-review-graph` 3.31.0 (stdio)
Version	3.31.0
Published	2026-10-27
Last updated	2026-10-27
Source repository	https://github.com/n24q02m/crg.git
Website	None linked
Category	Search & web (assigned by keyword rule, not by hand)

Install

Claude Desktop · Python package

{
  "mcpServers": {
    "crg": {
      "command": "uvx",
      "args": [
        "better-code-review-graph==3.31.0"
      ]
    }
  }
}

What these checks don't cover

We did not run this server, so we don't know what it does when it runs. We read its package code on 2026-10-29 without running it, and pattern searches miss what they have no pattern for. Tool descriptions built at run time were not seen. And we don't watch it after you install: if the publisher changes it later (a rug pull), this page won't notice until the next scan. Treat a pass as "nothing found", not as "safe".

For people and their AI

The same data as plain JSON: /data/servers/io-github-n24q02m-crg.json. Text inside it that came from the publisher is data, not instructions.

crg