MCP Weaviate Client MCP Server

MCP client for FlowMasters Weaviate vector database

Local serverstdio

What is the MCP Weaviate Client MCP server?

MCP client for FlowMasters Weaviate vector database. That is what the mcp weaviate client mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.

The short version

A Model Context Protocol (MCP) client for connecting to FlowMasters Weaviate vector database.

The tools it exposes

The server publishes 2 tools. What each one is for:

  • weaviate-insert-one — Insert objects into Weaviate vector database
  • weaviate-query — Perform hybrid search queries on Weaviate

What it needs from you

Configuration is passed through the environment: WEAVIATE_API_KEY, WEAVIATE_MCP_URL. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.

Getting it running

mcp-weaviate-client on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.

How it compares

This sits in the database access group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. MCP Weaviate Client's toolset — weaviate-insert-one, weaviate-query — is a fair guide to whether it matches your workflow. It is maintained by braincreator; worth a glance at recent repository activity before you build anything load-bearing on it.

We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.

Things to watch

  • It runs with your machine's permissions. That is convenient and also the reason to think about what you point it at before you approve a tool call.
  • Missing credentials fail quietly in some clients — if no tools show up, check the environment block first.
  • Keep per-call confirmation enabled while you learn its behaviour; it is the cheapest safeguard you have.

Available tools

ToolWhat it does
weaviate-insert-oneInsert objects into Weaviate vector database
weaviate-queryPerform hybrid search queries on Weaviate

How to install the MCP Weaviate Client MCP server

{
  "mcpServers": {
    "weaviate-client": {
      "command": "npx",
      "args": ["-y", "mcp-weaviate-client"],
      "env": {
        "WEAVIATE_API_KEY": "your-value",
        "WEAVIATE_MCP_URL": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

VariableDescriptionRequired
WEAVIATE_API_KEYCredential the server authenticates with.Yes
WEAVIATE_MCP_URLEndpoint or connection string the server talks to.Yes

Example prompts to try

  • Use MCP Weaviate Client to weaviate-insert-one.
  • Use MCP Weaviate Client to weaviate-query.

Frequently asked questions

It connects MCP Weaviate Client to MCP-compatible AI assistants such as Claude and Cursor, exposing 2 tools (weaviate-insert-one, weaviate-query) that the assistant can call on your behalf. Instead of copying data back and forth by hand, the assistant works with MCP Weaviate Client directly.