Puch-AI-WhatsApp-Integration-MCP-Server

alok-ahirrao/Puch-AI-WhatsApp-Integration-MCP-Server

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The MCP Server is a backend service that connects Puch AI with external services like WhatsApp, web content fetching, and product searching.

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Puch AI - WhatsApp Integration MCP Server 🚀

This repository contains the source code for the MCP (Multi-Capability Provider) Server, a powerful backend service designed to bridge Puch AI with external services like WhatsApp, web content fetching, and product searching. It acts as a tool hub, allowing the AI to perform complex tasks in the real world.

Image Result

Output 1

Output WhatsApp

Output 2

Output WhatsApp

✨ Overview

Puch AI is an intelligent assistant capable of automating tasks and retrieving information. This MCP server extends its capabilities by providing a secure, authenticated API endpoint that Puch AI can call to execute specific "tools."

This server enables Puch AI to:

  • 🌐 Fetch Web Content: Scrape and process information from any URL on the internet.
  • 🛒 Search for Products: Perform real-time product searches using Google Shopping to provide users with up-to-date recommendations.
  • 📱 Integrate with WhatsApp: The server is architected to be the backbone of a full-fledged WhatsApp integration.

🏗️ How It Works

The server provides a single, powerful API endpoint that accepts requests to run a specific tool with given arguments. The process flow is as follows:

  1. Puch AI receives a user prompt (e.g., "Find me a good laptop for under $1000").
  2. Puch AI determines a tool is needed (e.g., search_for_products).
  3. Puch AI sends a POST request to this MCP server's /mcp/ endpoint, specifying the tool_name and arguments.
  4. The MCP Server authenticates the request using the Bearer Token.
  5. The server executes the requested tool (e.g., calls the SerpApi for product results).
  6. The server formats and returns the result to Puch AI in a structured JSON format.
  7. Puch AI uses this information to formulate a natural language response for the user.

🔧 Installation & Setup

Follow these steps to get the MCP server running on your local machine.

Prerequisites

  • Python 3.11+
  • pip (Python package installer)
  • Git

Step-by-Step Guide

  1. Clone the Repository Open your terminal and clone the repository to your local machine.

    git clone https://github.com/alok-ahirrao/Puch-AI-WhatsApp-Integration-MCP-Server.git
cd Puch-AI-WhatsApp-Integration-MCP-Server

  2. Create a Virtual Environment (Recommended) It's best practice to create a virtual environment to manage project dependencies.

    # For macOS/Linux
python3 -m venv venv
source venv/bin/activate

# For Windows
python -m venv venv
.\venv\Scripts\activate

  3. Install Dependencies Install all the required Python packages from the requirements.txt file.

    pip install -r requirements.txt

  4. Create and Configure the .env File Create a file named .env in the root directory of the project. This file will store your secret keys and configuration variables. Copy the following and replace the placeholder values.

    # Get your API key from https://serpapi.com/
SERPAPI_API_KEY=YOUR_SERPAPI_API_KEY

# Your WhatsApp phone number (e.g., 919876543210)
MY_NUMBER=YOUR_PHONE_NUMBER

# A strong, secret token for authenticating API requests
TOKEN=YOUR_SECURE_BEARER_TOKEN

  5. Run the Server Start the FastAPI server using Uvicorn.

    python main.py

    The server should now be running at http://127.0.0.1:8085.

MCP Server Setup Instructions

Follow the instructions below to set up your MCP server and complete the application process.

  1. Obtain an application key:

    Use the provided starter code to spin up a local MCP server. After running /apply <TWITTER/LINKEDIN REPLY URL>, you will get an application key.

  2. Create an MCP server:

    Now you need to create an MCP server using the starter code given in this gist to submit your resume.

  3. Connect Puch to your MCP server:

    Use this command to connect Puch with your MCP server: /mcp connect <SERVER URL (should be publicly accesible)>/mcp <AUTH TOKEN>

  4. Validate the auth token and phone number:

    Puch will run a validation check against your Auth token (application key) and phone number. Validation requires both the key and your phone number, formatted as {country_code}{number} — without the + symbol. Example: 919876543210 for an Indian number.

  5. Create a resume tool:

    Feed your resume to Puch: Create a tool that sends your resume in a format fit for an LLM.

    • Resume Tool Requirement: Your server must include a resume tool that:
      • Accepts a local file (your resume).
      • Converts it to markdown text
      • Submits the data to the Puch AI MCP endpoint as a string.

  6. Set up an ngrok server:

    To make your local server publicly accessible, you can use ngrok. Run the following command: ngrok http 8085

🔑 Authentication

All requests to the /mcp/ endpoint must be authenticated using a Bearer Token. Include the token in the Authorization header of your request.

Authorization: Bearer YOUR_SECURE_BEARER_TOKEN

Replace YOUR_SECURE_BEARER_TOKEN with the value you set for TOKEN in your .env file. A request with a missing or invalid token will result in a 401 Unauthorized error.

🛠️ Available Tools

The server exposes its capabilities through a set of tools. You can invoke a tool by sending a POST request to the /mcp/ endpoint.

fetch

Fetches and parses the textual content of a given URL. This is useful for summarizing articles, extracting data, or reading documentation.

Parameters:

ParameterTypeRequiredDefaultDescription
urlstringYesN/AThe full URL of the webpage to fetch.
max_lengthintegerNo5000The maximum number of characters to return.
start_indexintegerNo0The character index from which to start extracting content. Useful for pagination.
rawbooleanNoFalseIf true, returns raw HTML. If false, returns cleaned text content.

Example Request (curl):

curl -X POST http://127.0.0.1:8085/mcp/ \
-H "Authorization: Bearer YOUR_SECURE_BEARER_TOKEN" \
-H "Content-Type: application/json" \
-d '{
    "tool_name": "fetch",
    "arguments": {
        "url": "https://en.wikipedia.org/wiki/Artificial_intelligence",
        "max_length": 250
    }
}'

Example Response:

{
  "content": "Artificial intelligence (AI) is the intelligence of machines or software, as opposed to the intelligence of living beings, primarily of humans. It is a field of computer science that develops and studies intelligent machines. Such machines may be called AIs."
}

search_for_products

Searches Google Shopping for products based on a query, using the SerpApi service.

Parameters:

ParameterTypeRequiredDefaultDescription
querystringYesN/AA descriptive search query for the product.

Example Request (curl):

curl -X POST http://127.0.0.1:8085/mcp/ \
-H "Authorization: Bearer YOUR_SECURE_BEARER_TOKEN" \
-H "Content-Type: application/json" \
-d '{
    "tool_name": "search_for_products",
    "arguments": {
        "query": "wireless noise cancelling headphones"
    }
}'

Example Response:

{
  "search_results": [
    {
      "position": 1,
      "title": "Sony WH-1000XM5 Wireless Noise-Canceling Over-the-Ear Headphones",
      "price": "$399.99",
      "extracted_price": 399.99,
      "link": "https://www.bestbuy.com/...",
      "source": "Best Buy",
      "rating": 4.7,
      "reviews": 1250,
      "thumbnail": "https://i5.walmartimages.com/..."
    },
    {
      "position": 2,
      "title": "Bose QuietComfort 45 headphones",
      "price": "$329.00",
      "extracted_price": 329,
      "link": "https://www.bose.com/...",
      "source": "Bose",
      "rating": 4.6,
      "reviews": 890,
      "thumbnail": "https://assets.bose.com/..."
    }
  ]
}

🗺️ Roadmap & Future Development

This server is designed for expansion. Future plans include:

  • Full Two-Way WhatsApp Integration: Implement webhook endpoints to receive messages from users on WhatsApp and a mechanism to send replies back through the WhatsApp Business API.
  • Support for More Tools: Add new tools for capabilities like:
    • Sending emails.
    • Managing calendar events.
    • Interacting with other third-party APIs (e.g., Spotify, Google Maps).
  • Interactive Messages: Utilize WhatsApp's interactive message components like buttons and lists for a richer user experience.
  • Enhanced Error Handling: Provide more descriptive error messages to the calling AI.

🤝 Contributing

Contributions are what make the open-source community such an amazing place to learn, inspire, and create. Any contributions you make are greatly appreciated.

  1. Fork the Project
  2. Create your Feature Branch (git checkout -b feature/AmazingFeature)
  3. Commit your Changes (git commit -m 'Add some AmazingFeature')
  4. Push to the Branch (git push origin feature/AmazingFeature)
  5. Open a Pull Request

Please feel free to open an issue if you find a bug or have a suggestion.

📜 License

Copyright © 2025, Alok Ahirrao

Licensed under the Creative Commons Attribution-NonCommercial 4.0 International License. You may use or modify this project for personal or educational purposes only. Commercial usage requires explicit permission.

For inquiries, please contact alokahirrao.ai@gmail.com.