knowledge_base_id
(required): The ID of the knowledge base
How to use it
knowledge_base_id is exposed by the Open Webui MCP Server MCP server. Add the server to your MCP client (Claude Desktop, Cursor, Windsurf and others), and the knowledge_base_id tool becomes available to the model automatically. See the full listing for setup details and every tool this server provides.
Install Open Webui MCP Server
$
npx open-webui-knowledge-mcp-serverOther tools in Open Webui MCP Server (1)