How do I use code-rag?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@code-rag find code related to user login functionality" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

code-rag: Semantic Code Search MCP Server

Search your codebase using natural language. Built as an MCP server for AI coding assistants.

MCP Server ChromaDB RAG

What It Does

code-rag is a semantic code search engine that lets you query code with natural language:

"how are users fetched from the database"
"feature flag check pattern"
"authentication middleware"

Instead of exact keyword matching, it understands the meaning of your query and finds relevant code.

Features

Feature	Description
Natural Language Search	Query code semantically
Related Files	Find files semantically related to a given file
Context Expansion	Get surrounding code for search results
Multi-Repo Support	Index multiple repositories
MCP Protocol	Works with Claude, OpenCode, and other MCP clients
Local Execution	100% local - your code never leaves your machine

MCP Tools

Tool	Description
`search_code`	Search code with natural language
`find_related`	Find files related to a given file
`get_context`	Expand context around a search result
`index_stats`	View indexing statistics

Installation

cd code-rag
python3 -m venv venv
source venv/bin/activate
pip install -r requirements.txt

Configure repos in config.yaml, run the indexer, then start the server:

./run-indexer.sh
python3 server.py

Requirements

Python 3.10+
ChromaDB
MCP-compatible client

License

MIT

This server cannot be installed

F

license - not found

-

quality - not tested

C

maintenance

How are these scores calculated?

Resources

GitHub Repository

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