LM Studio

Last updated: April, 2026

TL;DR LM Studio 0.3.5+ supports MCP, so locally-running models can call Plurality tools.

Prerequisites

• LM Studio 0.3.5 or later

• A loaded model with tool calling capability (Mistral, Llama 3.1+, Qwen 2.5, or similar)

• Plurality access token from memory studio. Read here how to create it.

Setup

1. Open LM Studio and navigate to the Developer tab.

   • If you don't see it, enable Developer Mode in Settings → Advanced.

2. Click on mcp.json and add the following json

{
  "mcpServers": {
    "plurality-memory": {
      "url": "https://app.plurality.network/mcp",
      "headers": {
        "Authorization": "Bearer <plur_pat_your-acces-token"
      }
    }
  }
}

1. Make sure require authentication is turned on in server settings.

2. Open a new chat and load a model with tool calling capability. Then on the right side in the program tab, make sure you turn plurality mcp on.

1. Now chat to the model and it will call the plurality mcp tools where necessary.

Verify

Ask the model: "Search my Plurality memory for [something]."

If the model invokes search_memory and returns results, you're connected.

Troubleshoot

Model doesn't call tools even when enabled. This is a model capability issue, not a connection issue. Some smaller models don't reliably call tools. Try Mistral, Llama 3.1+, or Qwen 2.5.

Tools fail with timeout. Local models can be slow on tool calls. Increase the request timeout in LM Studio's developer settings.