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MCP Gemini Server

by amitsh06
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GitHub
Python
  • Linux
  • Apple
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hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

Integrations

  • Supports environment variables through .env file for storing sensitive information like API keys securely.

  • Provides repository access through GitHub for cloning and installing the server.

  • Enables interaction with Google's Gemini API, allowing text generation, text analysis, and chat conversations through the Gemini models.

MCP Gemini Server

A server implementation of the Model Context Protocol (MCP) to enable AI assistants like Claude to interact with Google's Gemini API.

Project Overview

This project implements a server that follows the Model Context Protocol, allowing AI assistants to communicate with Google's Gemini models. With this MCP server, AI assistants can request text generation, text analysis, and maintain chat conversations through the Gemini API.

Features

  • Client-Server Communication: Implements MCP protocol for secure message exchange between client and server.
  • Message Processing: Handles and processes client requests, sending appropriate responses.
  • Error Handling & Logging: Logs server activities and ensures smooth error recovery.
  • Environment Variables Support: Uses .env file for storing sensitive information securely.
  • API Testing & Debugging: Supports manual and automated testing using Postman and test scripts.

Installation

Prerequisites

  • Python 3.7 or higher
  • Google AI API key

Setup

  1. Clone this repository:
git clone https://github.com/yourusername/mcp-gemini-server.git cd mcp-gemini-server
  1. Create a virtual environment:
python -m venv venv
  1. Activate the virtual environment:
    • Windows: venv\Scripts\activate
    • macOS/Linux: source venv/bin/activate
  2. Install dependencies:
pip install -r requirements.txt
  1. Create a .env file in the root directory with your Gemini API key:
GEMINI_API_KEY=your_api_key_here

Usage

  1. Start the server:
python server.py
  1. The server will run on http://localhost:5000/ by default
  2. Send MCP requests to the /mcp endpoint using POST method

Example Request

import requests url = 'http://localhost:5000/mcp' payload = { 'action': 'generate_text', 'parameters': { 'prompt': 'Write a short poem about AI', 'temperature': 0.7 } } response = requests.post(url, json=payload) print(response.json())

API Reference

Endpoints

  • GET /health: Check if the server is running
  • GET /list-models: List available Gemini models
  • POST /mcp: Main endpoint for MCP requests

MCP Actions

1. generate_text

Generate text content with Gemini.

Parameters:

  • prompt (required): The text prompt for generation
  • temperature (optional): Controls randomness (0.0 to 1.0)
  • max_tokens (optional): Maximum tokens to generate

Example:

{ "action": "generate_text", "parameters": { "prompt": "Write a short story about a robot", "temperature": 0.8, "max_tokens": 500 } }

2. analyze_text

Analyze text content.

Parameters:

  • text (required): The text to analyze
  • analysis_type (optional): Type of analysis ('sentiment', 'summary', 'keywords', or 'general')

Example:

{ "action": "analyze_text", "parameters": { "text": "The weather today is wonderful! I love how the sun is shining.", "analysis_type": "sentiment" } }

3. chat

Have a conversation with Gemini.

Parameters:

  • messages (required): Array of message objects with 'role' and 'content'
  • temperature (optional): Controls randomness (0.0 to 1.0)

Example:

{ "action": "chat", "parameters": { "messages": [ {"role": "user", "content": "Hello, how are you?"}, {"role": "assistant", "content": "I'm doing well! How can I help?"}, {"role": "user", "content": "Tell me about quantum computing"} ], "temperature": 0.7 } }

Error Handling

The server returns appropriate HTTP status codes and error messages:

  • 200: Successful request
  • 400: Bad request (missing or invalid parameters)
  • 500: Server error (API issues, etc.)

Testing

Use the included test script to test various functionalities:

# Test all functionalities python test_client.py # Test specific functionality python test_client.py text # Test text generation python test_client.py analyze # Test text analysis python test_client.py chat # Test chat functionality

MCP Protocol Specification

The Model Context Protocol implemented here follows these specifications:

  1. Request Format:
    • action: String specifying the operation
    • parameters: Object containing action-specific parameters
  2. Response Format:
    • result: Object containing the operation result
    • error: String explaining any error (when applicable)

License

MIT License

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A server implementing the Model Context Protocol that enables AI assistants like Claude to interact with Google's Gemini API for text generation, text analysis, and chat conversations.

  1. Project Overview
    1. Features
      1. Installation
        1. Prerequisites
        2. Setup
      2. Usage
        1. Example Request
      3. API Reference
        1. Endpoints
        2. MCP Actions
      4. Error Handling
        1. Testing
          1. MCP Protocol Specification
            1. License