RAG Vault runs on your own machine — the client starts it, so there is no endpoint to ping. 69 installs a week from npm. Last commit 14 Sep 2026.
Local RAG MCP server with hybrid search, PDF/DOCX support, and zero-config setup
Today is the operative word: we check RAG Vault every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add rag-vault -- npx -y @robthepcguy/rag-vault
{
"mcpServers": {
"rag-vault": {
"args": [
"-y",
"@robthepcguy/rag-vault"
],
"command": "npx"
}
}
}
[mcp_servers.rag-vault]
command = "npx"
args = ["-y", "@robthepcguy/rag-vault"]
{
"mcpServers": {
"rag-vault": {
"args": [
"-y",
"@robthepcguy/rag-vault"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"rag-vault": {
"args": [
"-y",
"@robthepcguy/rag-vault"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
BASE_DIR (Base directory for document storage (defaults to current working directory)), DB_PATH (Path to LanceDB database directory (defaults to ./lancedb/)), CACHE_DIR (Directory where Transformers.js models are cached (defaults to ./models/)), MODEL_NAME (Embedding model name (defaults to Xenova/all-MiniLM-L6-v2)), RAG_HYBRID_WEIGHT (Keyword boost strength for hybrid search. 0.0 = semantic only, 1.0 = keyword only. Default 0.6), RAG_GROUPING (Grouping mode: 'similar' (top group only) or 'related' (top 2 groups)).
The author declared them in the registry entry; get the values from the project itself.
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Answers built from our own checks of this server.