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rag-mcp

by Jemplayer82
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$ rag-mcp

MCP server for Fathom Works RAG — exposes the self-hosted knowledge base as tools any MCP-capable LLM can call.

Query documents, manage libraries, and ingest local files or URLs without opening the web UI.

[ what it does ]

Tool

Who can call it

Description

query

any user

Semantic + BM25 search across one or more libraries; returns LLM answer with citations

list_libraries

any user

List libraries and their document counts

list_documents

any user

List documents, optionally filtered by library or title

add_file

admin

Ingest a local file (PDF, TXT, DOC, DOCX) into a library

add_url

admin

Ingest a web URL into a library

get_job_status

admin

Check ingestion job progress

delete_document

admin

Remove a document and all its vectors

Related MCP server: Open WebUI Knowledge Base MCP Server

[ quick start ]

Option A — run with Python (no Docker)

git clone https://github.com/Jemplayer82/rag-mcp.git
cd rag-mcp
pip install -r requirements.txt
cp .env.example .env   # fill in RAG_BASE_URL + credentials
python mcp_server.py   # starts the stdio MCP server

Option B — run with Docker

docker pull ghcr.io/jemplayer82/rag-mcp:latest

No config file needed — pass environment variables directly at runtime (see Claude config below).

[ connect to Claude ]

Claude Desktop (claude_desktop_config.json)

Docker (recommended — zero local setup):

{
  "mcpServers": {
    "rag": {
      "command": "docker",
      "args": [
        "run", "-i", "--rm",
        "-e", "RAG_BASE_URL=http://YOUR_RAG_HOST:8000",
        "-e", "RAG_USERNAME=admin",
        "-e", "RAG_PASSWORD=yourpassword",
        "ghcr.io/jemplayer82/rag-mcp:latest"
      ]
    }
  }
}

Python (local install):

{
  "mcpServers": {
    "rag": {
      "command": "python",
      "args": ["/path/to/rag-mcp/mcp_server.py"],
      "env": {
        "RAG_BASE_URL": "http://YOUR_RAG_HOST:8000",
        "RAG_USERNAME": "admin",
        "RAG_PASSWORD": "yourpassword"
      }
    }
  }
}

Claude Code (.claude/mcp.json)

{
  "mcpServers": {
    "rag": {
      "command": "docker",
      "args": [
        "run", "-i", "--rm",
        "-e", "RAG_BASE_URL=http://YOUR_RAG_HOST:8000",
        "-e", "RAG_USERNAME=admin",
        "-e", "RAG_PASSWORD=yourpassword",
        "ghcr.io/jemplayer82/rag-mcp:latest"
      ]
    }
  }
}

Or via CLI:

claude mcp add rag -- docker run -i --rm \
  -e RAG_BASE_URL=http://YOUR_RAG_HOST:8000 \
  -e RAG_USERNAME=admin \
  -e RAG_PASSWORD=yourpassword \
  ghcr.io/jemplayer82/rag-mcp:latest

[ auth ]

Method

Variables

Notes

Username + password

RAG_USERNAME, RAG_PASSWORD

Recommended. Token is fetched on first call and refreshed automatically on expiry.

Static JWT

RAG_TOKEN

Works but cannot self-refresh. Copy from browser DevTools → Application → Local Storage → rag_token.

[ environment variables ]

Variable

Default

Description

RAG_BASE_URL

http://localhost:8000

Base URL of the RAG app (no trailing slash)

RAG_USERNAME

—

Admin or user account username

RAG_PASSWORD

—

Account password

RAG_TOKEN

—

Pre-generated JWT (alternative to username/password)

[ using the tools ]

Ask a question (search all libraries):

query("What are the treatment options for autonomic dysreflexia?")

Narrow to specific libraries:

query("Jones Act seaman status elements", library_ids=[2, 5])

Ingest a local file:

add_file("/Users/me/docs/protocol.pdf", library_id=1, title="Care Protocol 2024")
get_job_status(42)  # poll until complete

Ingest a URL:

add_url("https://example.com/article", title="Article", library_id=1)

[ smoke test ]

Test without connecting to Claude Desktop using the MCP Inspector:

RAG_BASE_URL=http://YOUR_HOST:8000 RAG_USERNAME=admin RAG_PASSWORD=yourpass \
  npx @modelcontextprotocol/inspector python mcp_server.py

[ requirements ]

  • Python 3.10+ (uses X | None type annotations) — local machine, not the RAG container

  • Running Fathom Works RAG instance (self-hosted or VPS)

[ license ]

Released under the GNU AGPL-3.0.

Part of the Fathom Works RAG ecosystem.

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