Skip to main content
Glama

๐Ÿ”Œ Your Own MCP Server

A Custom Model Context Protocol Server for AI Tool Integration


๐Ÿ“Œ Overview

Your Own MCP Server is a custom implementation of the Model Context Protocol (MCP) that exposes application capabilities and data as structured tools that AI clients can discover and call.

The project demonstrates how an AI application can interact with external functionality through well-defined MCP tools instead of directly accessing application internals.

The server is designed with:

  • Structured tool definitions

  • Input validation

  • Error handling

  • Modular architecture

  • AI client interoperability

  • Extensible tool support


๐ŸŽฏ Project Objective

The main objective of this project is to demonstrate how developers can build and expose their own application functionality through MCP.

AI Client
    โ”‚
    โ–ผ
MCP Protocol
    โ”‚
    โ–ผ
Custom MCP Server
    โ”‚
    โ”œโ”€โ”€ Tool 1
    โ”œโ”€โ”€ Tool 2
    โ”œโ”€โ”€ Tool 3
    โ””โ”€โ”€ Tool 4
    โ”‚
    โ–ผ
Application / Data
๐Ÿง  What is MCP?

Model Context Protocol (MCP) is a protocol that allows AI applications to interact with external tools, resources, and data through a standardized interface.

Instead of building a separate integration for every AI client, an MCP server can expose capabilities through structured tools.

Example
User
  โ”‚
  โ–ผ
AI Assistant
  โ”‚
  โ–ผ
MCP Client
  โ”‚
  โ–ผ
MCP Server
  โ”‚
  โ”œโ”€โ”€ Search Data
  โ”œโ”€โ”€ Read File
  โ”œโ”€โ”€ Query Database
  โ”œโ”€โ”€ Process Information
  โ””โ”€โ”€ Execute Application Function
  โ”‚
  โ–ผ
Result
  โ”‚
  โ–ผ
AI Assistant
โœจ Key Features
Feature	Description
๐Ÿ”ง Custom Tools	Expose application functions as MCP tools
๐Ÿ“‹ Tool Schemas	Clearly defined input and output structures
โœ… Validation	Validate tool arguments before execution
โš ๏ธ Error Handling	Handle invalid requests and execution failures
๐Ÿ”„ Extensible	Easily add new MCP tools
๐Ÿค– AI Compatible	Designed for MCP-enabled AI clients
๐Ÿงฉ Modular	Separate tools and application logic
๐Ÿ“ Documentation	Includes examples for using the server
๐Ÿ—๏ธ System Architecture
                 โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
                 โ”‚      AI Client       โ”‚
                 โ”‚                      โ”‚
                 โ”‚  Claude / MCP Host   โ”‚
                 โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
                            โ”‚
                            โ”‚ MCP
                            โ–ผ
                 โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
                 โ”‚    MCP Server        โ”‚
                 โ”‚                      โ”‚
                 โ”‚  Tool Discovery      โ”‚
                 โ”‚  Tool Validation     โ”‚
                 โ”‚  Request Handling    โ”‚
                 โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
                            โ”‚
             โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
             โ–ผ              โ–ผ              โ–ผ
       โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”  โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”  โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
       โ”‚ Tool 1    โ”‚  โ”‚ Tool 2    โ”‚  โ”‚ Tool 3    โ”‚
       โ”‚ Search    โ”‚  โ”‚ Database  โ”‚  โ”‚ Files     โ”‚
       โ””โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”˜  โ””โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”˜  โ””โ”€โ”€โ”€โ”€โ”€โ”ฌโ”€โ”€โ”€โ”€โ”€โ”˜
             โ”‚              โ”‚              โ”‚
             โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”ผโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
                            โ–ผ
                 โ”Œโ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”
                 โ”‚ Application / Data   โ”‚
                 โ””โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ”˜
๐Ÿ”ง MCP Tools

The server can expose custom tools based on the application's requirements.

Example Tool Structure
Tool
โ”œโ”€โ”€ Name
โ”œโ”€โ”€ Description
โ”œโ”€โ”€ Input Schema
โ”œโ”€โ”€ Validation
โ”œโ”€โ”€ Execution
โ””โ”€โ”€ Response
Example
{
  "name": "search_data",
  "description": "Search application data using a query",
  "inputSchema": {
    "type": "object",
    "properties": {
      "query": {
        "type": "string"
      }
    },
    "required": ["query"]
  }
}
๐Ÿ”„ Request Flow
1. AI Client discovers MCP Server
             โ†“
2. Server exposes available tools
             โ†“
3. AI selects an appropriate tool
             โ†“
4. Tool arguments are received
             โ†“
5. Input is validated
             โ†“
6. Application logic is executed
             โ†“
7. Result is returned to AI Client
๐Ÿ›ก๏ธ Validation & Error Handling

The server is designed to validate incoming tool requests before execution.

Example:

Valid Request
     โ”‚
     โ–ผ
Input Validation
     โ”‚
     โ”œโ”€โ”€ Valid โ”€โ”€โ”€โ”€โ”€โ”€โ”€โ–บ Execute Tool
     โ”‚
     โ””โ”€โ”€ Invalid โ”€โ”€โ”€โ”€โ”€โ–บ Return Error

The implementation should avoid exposing sensitive internal information through error messages.

๐Ÿ–ฅ๏ธ Example Use Cases

This MCP architecture can be adapted for:

๐Ÿ“ File management
๐Ÿ—„๏ธ Database access
๐Ÿ“Š Data analytics
๐Ÿ”Ž Search systems
๐Ÿ’ผ Job data
๐ŸŒ Internal APIs
๐Ÿ“ˆ Business intelligence
๐Ÿง  Knowledge systems
โš™๏ธ Developer tools
๐Ÿ“ธ Project Screenshots
MCP Server
<div align="center"> <img src="assets/screenshots/server.png" width="90%" alt="MCP Server"> </div>
Available Tools
<div align="center"> <img src="assets/screenshots/tools.png" width="90%" alt="MCP Tools"> </div>
AI Client Interaction
<div align="center"> <img src="assets/screenshots/client.png" width="90%" alt="AI Client MCP Interaction"> </div>
๐Ÿ› ๏ธ Technology Stack

Use only the technologies actually implemented in your project.

MCP
Python / TypeScript
JSON
Git
GitHub
MCP SDK
๐Ÿ“‚ Project Structure
your-mcp-server/
โ”‚
โ”œโ”€โ”€ assets/
โ”‚   โ”œโ”€โ”€ mcp-banner.png
โ”‚   โ””โ”€โ”€ screenshots/
โ”‚       โ”œโ”€โ”€ server.png
โ”‚       โ”œโ”€โ”€ tools.png
โ”‚       โ””โ”€โ”€ client.png
โ”‚
โ”œโ”€โ”€ src/
โ”‚   โ”œโ”€โ”€ server
โ”‚   โ”œโ”€โ”€ tools
โ”‚   โ””โ”€โ”€ ...
โ”‚
โ”œโ”€โ”€ tests/
โ”‚
โ”œโ”€โ”€ README.md
โ”œโ”€โ”€ package.json
โ”œโ”€โ”€ .gitignore
โ””โ”€โ”€ ...
๐Ÿš€ Getting Started
1. Clone the Repository
git clone https://github.com/Naveenkumar210225/YOUR-REPOSITORY.git
2. Navigate to the Project
cd YOUR-REPOSITORY
3. Install Dependencies

For a Node.js project:

npm install

For a Python project:

pip install -r requirements.txt

Use the command matching your actual implementation.

โ–ถ๏ธ Running the Server

Start the MCP server using the project's configured entry point.

Example:

npm start

or:

python server.py
๐Ÿงช Testing

The project can be tested by verifying:

MCP server startup
Tool discovery
Input validation
Tool execution
Error handling
AI client communication
Response formatting
๐Ÿ”ฎ Future Enhancements
๐Ÿ” Authentication and authorization
๐Ÿ—„๏ธ Database integrations
๐Ÿ“Š Analytics tools
๐ŸŒ External API integrations
๐Ÿ”Ž Advanced search
๐Ÿง  Knowledge-base integration
๐Ÿ“ Request logging
๐Ÿ“ˆ Monitoring dashboard
๐Ÿณ Docker deployment
โ˜๏ธ Cloud deployment
๐Ÿงช Automated integration tests
๐Ÿ’ผ Portfolio Value

This project demonstrates practical experience with:

Model Context Protocol
AI tool integration
API and application integration
Tool schema design
Input validation
Error handling
Modular software architecture
AI agent interoperability
๐Ÿ‘จโ€๐Ÿ’ป Author
<div align="center">
Naveen Kumar V

BE Computer Science and Engineering

<a href="https://github.com/Naveenkumar210225"> <img src="https://img.shields.io/badge/GitHub-Naveenkumar210225-black?logo=github"> </a> </div>
๐Ÿ“„ License

This project is available for educational and portfolio purposes.

Related MCP Connectors

Related MCP Servers

  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables building agent-ready APIs that expose tools as both HTTP and MCP endpoints from a single server definition, with automatic OpenAPI, discovery docs, and interactive API reference.
    5
    Apache 2.0
  • A
    license
    Not graded
    quality
    D
    maintenance
    Enables AI agents to access a unified catalog of tools from various APIs (OpenAPI, GraphQL, MCP, Google Discovery) through the MCP protocol.
    173 npm
    MIT
  • A
    license
    Not graded
    quality
    C
    maintenance
    Enables AI agents to securely discover, invoke, and manage tools through a hardened MCP endpoint with protections like injection detection, circuit breakers, retry backoff, response caching, context-window limiting, and state snapshots.
    1 npm
    MIT