What is Leave Manager Mcp

leave_manager_mcp is a minimal Model Context Protocol (MCP) server designed for managing employee leave requests, balances, and history through a structured API.

Use cases

Use cases for leave_manager_mcp include checking remaining leave days for employees, applying for single or multiple days of leave, and retrieving the leave history for auditing and tracking purposes.

How to use

To use leave_manager_mcp, send HTTP POST requests to the server with the appropriate method and parameters in JSON format. For example, you can check leave balances, apply for leave, or retrieve leave history.

Key features

Key features of leave_manager_mcp include leave balance management, leave application submission, viewing complete leave history, support for date ranges, and real-time balance updates after leave applications.

Where to use

leave_manager_mcp can be used in various fields such as human resources, employee management systems, and any organization that needs to manage employee leave efficiently.

LeaveManager MCP Server

A Model Context Protocol (MCP) server for managing employee leave requests, balances, and history. This server provides a simple and efficient way to handle leave management operations through standardized API endpoints.

Features

• Leave Balance Management: Check remaining leave days for employees
• Leave Application: Apply for leave on specific dates
• Leave History: View complete leave history for employees
• Date Range Support: Apply for multiple consecutive or non-consecutive leave dates
• Real-time Balance Updates: Automatic balance updates after leave applications

Available Functions

1. Get Leave Balance

Check the remaining leave days for a specific employee.

{
  "function": "get_leave_balance",
  "parameters": {
    "employee_id": "string"
  }
}

Response: Returns the number of leave days remaining for the employee.

2. Apply Leave

Submit a leave application for specific dates.

{
  "function": "apply_leave",
  "parameters": {
    "employee_id": "string",
    "leave_dates": [
      "2025-06-03",
      "2025-06-04"
    ]
  }
}

Response: Confirms leave application and returns updated balance.

3. Get Leave History

Retrieve the complete leave history for an employee.

{
  "function": "get_leave_history",
  "parameters": {
    "employee_id": "string"
  }
}

Response: Returns chronological list of all leave applications and their status.

Usage Examples

Check Leave Balance

curl -X POST http://localhost:3000/mcp \
  -H "Content-Type: application/json" \
  -d '{
    "method": "get_leave_balance",
    "params": {
      "employee_id": "E001"
    }
  }'

Apply for Single Day Leave

curl -X POST http://localhost:3000/mcp \
  -H "Content-Type: application/json" \
  -d '{
    "method": "apply_leave",
    "params": {
      "employee_id": "E001",
      "leave_dates": ["2025-06-03"]
    }
  }'

Apply for Multiple Days Leave

curl -X POST http://localhost:3000/mcp \
  -H "Content-Type: application/json" \
  -d '{
    "method": "apply_leave",
    "params": {
      "employee_id": "E001",
      "leave_dates": ["2025-06-03", "2025-06-04", "2025-06-05"]
    }
  }'

Date Format

All dates should be provided in ISO 8601 format: YYYY-MM-DD

Examples:

• 2025-06-03 (June 3rd, 2025)
• 2025-12-25 (December 25th, 2025)

Error Handling

The server provides detailed error responses for common scenarios:

• Invalid Employee ID: Returns error if employee doesn’t exist
• Insufficient Leave Balance: Prevents leave application if insufficient days remaining
• Invalid Date Format: Returns error for malformed dates
• Past Date Application: Prevents application for dates in the past
• Duplicate Leave Application: Prevents applying for already approved dates

API Response Format

Success Response

{
  "success": true,
  "data": {
    "message": "Leave applied for 1 day(s). Remaining balance: 17."
  }
}

Error Response

{
  "success": false,
  "error": {
    "code": "INSUFFICIENT_BALANCE",
    "message": "Insufficient leave balance. Required: 3, Available: 2"
  }
}

License

This project is licensed under the MIT License - see the LICENSE file for details.

Changelog

v1.0.0

• Initial release
• Basic leave management functionality
• Employee balance tracking
• Leave application system
• Leave history retrieval

Note: This is an MCP (Model Context Protocol) server designed to work with AI assistants and automation tools.