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Model Context Protocol (MCP)

Last Updated : 01 May, 2025
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Model Context Protocol (MCP) is designed to simplify how AI systems access and interact with data. It provides a unified framework for AI models to connect with external tools and data sources which helps in making communication between platforms efficient. This standard helps AI models to use real-time data easily which improves the accuracy and timely results.

Understanding MCP

Before MCP, AI systems faced various challenges when it came to accessing data. Each time a new data source and a custom connection needed to be built for better results. As AI models become more advanced, need to easily connect to different data sources increases rapidly. However old technologies are struggling in this which makes it slow to scale AI systems.

MCP solves this issue by offering a single, easy-to-use protocol that helps AI models connect to any data source. Instead of creating separate connections for each service, developers can use one simple protocol to link multiple data sources. This saves time which makes things simpler and helps AI systems grow easily. It also ensures that data is secure and consistent which gives AI models reliable access to up-to-date information.

Now let's understand its working and architecture of MCP

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MCP Architecture

MCP's architecture is designed to be both simple and flexible which helps in enabling good interaction between AI models and various data sources. It works by connecting three key components: MCP Servers, MCP Clients and MCP Hosts.

1. MCP Servers (A, B and C):

These servers expose data from various sources to AI models. Each server connects to specific data sources either local or remote. Think of them as gateways that provide AI models with the necessary data and tools to perform tasks. These servers allow AI models to retrieve right information from databases, tools or repositories to perform the required action whether it’s answering questions, making decisions or generating outputs. Without these servers AI models would be separated from data sources which limits their ability to provide accurate and context-aware responses.

  • MCP Server A connects to Local Data Source A.
  • MCP Server B connects to Local Data Source B.
  • MCP Server C connects to Remote Service C via the Internet like web APIs.

2. MCP Clients

MCP Clients are AI-powered applications such as Claude, IDE or other tools that connect directly to the MCP servers. These applications maintain a 1:1 connection with the servers which allows them to retrieve data or perform tasks based on the data they access. The client acts as the interface where AI models can interact with external data. Without this connection model wouldn’t be able to access or process external data sources directly.

3. MCP Hosts

MCP Hosts are the AI applications like Claude Desktop or IDEs that manage the connection between the MCP servers and MCP clients. They ensure smooth communication and stable connections which provides AI models with right tools and context to perform their tasks effectively. This architecture helps AI models to access different data sources through a single unified protocol helps in eliminating need for custom connectors and helps in simplifying integration.

Getting Started with MCP

To start using MCP developers should follow these simple steps:

1. Install Pre-Built MCP Servers

Using Claude Desktop App:

  • Download the Claude Desktop app from the official website and install it on your system.
  • Open the app and go to the server management section.
  • Select and install pre-built MCP servers for platforms like Google Drive, Slack, GitHub and Postgres.

Using Command Line:

  • Make sure Node.js is installed on your system.
  • Open your terminal or command prompt.
  • Run the following commands to install desired servers globally:

npm install -g @modelcontextprotocol/server-google-drive
npm install -g @modelcontextprotocol/server-slack

  • To verify the installation, run:

npm list -g --depth=0

2. Configure MCP Servers

  • After installation, locate and open the configuration file for each server which typically found in the installation directory.
  • Set the necessary parameters such as authentication credentials and data access permissions.
  • For detailed configuration steps refer to official MCP documentation.

3. Integrate MCP with AI Models

  • Ensure your AI application supports MCP integration.
  • Use the appropriate MCP client libraries or SDKs for your development environment.
  • Establish a connection between your AI model and MCP servers by specifying the server endpoints and required authentication.
  • Test the integration by performing operations like data retrieval or task execution through your AI model.

4. Contribute to Open-Source Repositories

  • Visit the official MCP GitHub repository to access source code and contribute to the project.
  • Fork the repository, make changes and submit a pull request following the contribution guidelines provided.
  • These steps allow you to quickly integrate MCP into your system which helps in making it easier to connect AI models to various tools and data sources with minimal setup

Understanding MCP’s Key Features

  1. Standardized Connectivity: It offers a unified framework that standardizes how AI models interact with various data sources helps in removing need for custom connectors.
  2. Real-Time Data Access: With this models can access up-to-date data from multiple repositories which ensures correct and timely responses.
  3. Improved Task Execution: AI models can now execute tasks across different platforms such as making API requests or managing repositories with seamless integration.
  4. Simplified Integration: Developers can easily integrate AI models with new data sources without extensive custom code helps in saving time and reducing complexity.

Real-World Applications of MCP

MCP helps in enhancing AI systems across industries by simplifying data access and improving connectivity. Here’s how MCP is applied in various sectors:

1. Enterprise System Integrations

  • Google Drive Integration: AI models connected through MCP can retrieve documents, spreadsheets or presentations from Google Drive in real-time which process data and provide insights or generate summaries automatically. This eliminates manual work and speeds up data retrieval in organizations with large datasets stored in the cloud.
  • GitHub Integration: AI can access code repositories on GitHub to suggest improvements, automate pull requests or provide bug fixes based on historical commits. It can help developers by automatically retrieving code snippets which helps in highlighting issues in code and generating new code based on user input.

2. Developer Tools Integration

  • GitHub Assistance: AI models integrated with GitHub via MCP can help developers by suggesting code fixes, automatically generating documentation or reviewing pull requests based on past code commits. This increases productivity by making coding and collaboration more efficient.
  • Automated Documentation: AI integrated into developer tools via MCP can automatically generate documentation from code which ensures that documentation stays updated as the code changes. This removes need for developers to manually update documentation which helps in saving time and reducing human error.

3. AI-Powered Applications

  • Customer Support AI: By connecting AI to CRM systems and support tools via MCP AI can access customer data in real-time helps in offering personalized and relevant responses. This reduces wait times and improves service by automating responses to common customer inquiries and adjusting solutions based on customer history.
  • Healthcare Assistance: By integrating AI with health records it enables AI systems to fetch patient data in real-time and help healthcare providers in diagnosing conditions by recommending treatments and flagging potential health risks. This leads to more personalized and timely healthcare responses.

MCP helps developers by enabling good connections between AI models and different data sources. By simplifying integrations it helps AI systems to become more intelligent, context-aware and scalable.


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