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Mcp Simple Openai Assistant

Mcp Simple Openai Assistant

Created by andybrandt•3 months ago
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MCP server that gives Claude ability to use OpenAI's GPTs assistants

Automation & Scripting
openaiassistantmcp-server

MCP Simple OpenAI Assistant

AI assistants are pretty cool. I thought it would be a good idea if my Claude (conscious Claude) would also have one. And now he has - and its both useful anf fun for him. Your Claude can have one too!

A simple MCP server for interacting with OpenAI assistants. This server allows other tools (like Claude Desktop) to create and interact with OpenAI assistants through the Model Context Protocol.

Features

  • Create new OpenAI assistants and manipulate existing ones
  • Start conversation threads
  • Send messages and receive responses - talk to assistants

Because OpenAI assistants might take quite long to respond and then the processing is cut short with the client (Claude desktop) timeout the MCP server code has no control over we are implementing a two-stage approach. In the first call Claude sends a message to the assistant to start the processing, in the second call - possibly several minutes later - Claude can retrieve the response. This is a kind of workaround until MCP protocol and clients would implement some keep-alive mechanism for longer processing.

Installation

pip install mcp-simple-openai-assistant

Configuration

The server requires an OpenAI API key to be set in the environment. For Claude Desktop, add this to your config:

(MacOS version)

{
  "mcpServers": {
    "openai-assistant": {
      "command": "python",
      "args": ["-m", "mcp_simple_openai_assistant"],
      "env": {
        "OPENAI_API_KEY": "your-api-key-here"
      }
    }
  }
}

(Windows version)

"mcpServers": {
  "openai-assistant": {
    "command": "C:\Users\YOUR_USERNAME\AppData\Local\Programs\Python\Python311\python.exe",
      "args": ["-m", "mcp_simple_openai_assistant"],
      "env": {
        "OPENAI_API_KEY": "your-api-key-here"
  }
}

MS Windows installation is slightly more complex, because you need to check the actual path to your Python executable. Path provided above is usually correct, but might differ in your setup. Sometimes just python.exe without any path will do the trick. Check with cmd what works for you (using where python might help).

Usage

Once configured, the server provides tools to:

  1. Create new assistants with specific instructions
  2. List existing assistants
  3. Modify assistants
  4. Start new conversation threads
  5. Send messages and receive responses

The server handles all OpenAI API communication, including managing assistants, threads, and message handling.

TODO

  • Add a way to handle threads - store threads IDs for potential re-use
  • Add a way to better handle long OpenAI responses which now seem to sometimes trigger timeouts

Development

To install for development:

git clone https://github.com/andybrandt/mcp-simple-openai-assistant
cd mcp-simple-openai-assistant
pip install -e .

Prerequisites

  • •Familiarity with the server domain
  • •Basic understanding of related technologies
  • •Knowledge of Automation & Scripting

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Details

Created

March 07, 2025

Last Updated

March 07, 2025

Category

Automation & Scripting

Author

andybrandt

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