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ragbrain

RAGBrain MCP

by ragbrain
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Python
Hybrid

Deprecated

This project has moved to stache-ai - it is no longer maintained here.

RAGBrain MCP

Python 3.10+ License: MIT

MCP server that connects Claude Desktop to your RAGBrain knowledge base.

Install

pip install ragbrain-mcp

Related MCP server: Personal RAG MCP Server

Configure Claude Desktop

Add to your config file:

OS

Path

macOS

~/Library/Application Support/Claude/claude_desktop_config.json

Windows

%APPDATA%\Claude\claude_desktop_config.json

Linux

~/.config/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "ragbrain": {
      "command": "ragbrain-mcp",
      "env": {
        "RAGBRAIN_URL": "http://localhost:8000"
      }
    }
  }
}

Restart Claude Desktop. Done.

Tools

Tool

Description

ragbrain_list_namespaces

List namespaces with doc counts

ragbrain_search

Semantic search

ragbrain_browse_namespace

List docs in a namespace

ragbrain_get_document

Get full document by ID

ragbrain_discover_documents

Find docs by topic via summary search

Example prompts

  • "What namespaces do I have?"

  • "Search for machine learning"

  • "Show docs in work/projects"

  • "Get document abc-123"

Config

Environment variables:

Variable

Default

Description

RAGBRAIN_URL

http://localhost:8000

RAGBrain API URL

RAGBRAIN_TIMEOUT

60

Request timeout (seconds)

RAGBRAIN_LOG_LEVEL

INFO

DEBUG, INFO, WARNING, ERROR

RAGBRAIN_MAX_RESULTS

20

Max search results

RAGBRAIN_MAX_DOCUMENT_LENGTH

100000

Max doc length (chars)

Development

git clone https://github.com/ragbrain/ragbrain-mcp.git
cd ragbrain-mcp
uv venv && source .venv/bin/activate
uv pip install -e ".[dev]"
pytest
┌─────────────────┐     stdio      ┌─────────────────┐     HTTP      ┌─────────────────┐
│  Claude Desktop │ ◄────────────► │  RAGBrain MCP   │ ◄───────────► │  RAGBrain API   │
└─────────────────┘                └─────────────────┘               └─────────────────┘

Troubleshooting

Can't connect? Check RAGBrain is running: curl http://localhost:8000/health

Tools not showing? Verify config path, test with ragbrain-mcp, restart Claude Desktop.

Timeouts? Set RAGBRAIN_TIMEOUT higher.

License

MIT

Install Server
A
license - permissive license
A
quality
F
maintenance

How are these scores calculated?

Maintenance

–Maintainers
–Response time
–Release cycle
–Releases (12mo)
Commit activity

Resources

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Looking for Admin?

If you are the server author, to access and configure the admin panel.

Tools

Related MCP Servers

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Related MCP Connectors

  • Rootr

    Connect your team's living knowledge base — docs, data, issues, CRM — to Claude and ChatGPT.

  • Ragora

    Search your knowledge bases from any AI assistant using hybrid RAG.

  • mcp-server

    Your company's brain for AI agents. Cited, permission-aware knowledge across every system.

View all MCP Connectors

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