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gabrielrojasnyc

HR MCP Server

by gabrielrojasnyc
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JavaScript

request_global_leave

Submit global leave requests by providing employee ID, start and end dates, reason, countries, and contact details for HR approval and tracking.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
contact_infoNoContact information during leave
countriesYesCountries for which leave is being requested (e.g., ["USA", "UK"])
employee_idYesThe ID of the employee requesting leave
end_dateYesEnd date of the leave (YYYY-MM-DD)
reasonYesReason for the leave request
start_dateYesStart date of the leave (YYYY-MM-DD)

Implementation Reference

  • src/tools/requestGlobalLeave.ts:21-127 (handler)
    The main exported handler function implementing the request_global_leave tool logic, including input validation and delegation to response generator.
    export const requestGlobalLeave = async (
  { 
    employee_id, 
    start_date, 
    end_date, 
    reason, 
    countries, 
    contact_info 
  }: { 
    employee_id: string, 
    start_date: string, 
    end_date: string, 
    reason: string, 
    countries: string[], 
    contact_info?: { 
      email?: string, 
      phone?: string, 
      emergency_contact?: string 
    } 
  },
  extra: any
) => {
  logMessage(`Processing global leave request for employee: ${employee_id}`);
  
  // Check if employee exists
  const employee = employeesData[employee_id];
  if (!employee) {
    return {
      content: [{ type: "text", text: `No employee found with ID ${employee_id}.` }],
      isError: true
    };
  }
  
  // Validate dates
  const startDate = new Date(start_date);
  const endDate = new Date(end_date);
  
  if (isNaN(startDate.getTime()) || isNaN(endDate.getTime())) {
    return {
      content: [{ type: "text", text: "Invalid date format. Please use YYYY-MM-DD format." }],
      isError: true
    };
  }
  
  if (startDate > endDate) {
    return {
      content: [{ type: "text", text: "Start date cannot be after end date." }],
      isError: true
    };
  }
  
  // Calculate number of days
  const diffTime = Math.abs(endDate.getTime() - startDate.getTime());
  const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24)) + 1;
  
  // Check for weekend days (simple approach)
  let weekendDays = 0;
  let currentDate = new Date(startDate);
  while (currentDate <= endDate) {
    const dayOfWeek = currentDate.getDay();
    if (dayOfWeek === 0 || dayOfWeek === 6) { // 0 = Sunday, 6 = Saturday
      weekendDays++;
    }
    currentDate.setDate(currentDate.getDate() + 1);
  }
  
  const workDays = diffDays - weekendDays;
  
  // Validate if employee has enough vacation days
  if (workDays > employee.vacationDays.remaining) {
    return {
      content: [{ 
        type: "text", 
        text: `Insufficient vacation days. Request requires ${workDays} work days, but employee only has ${employee.vacationDays.remaining} remaining.` 
      }],
      isError: true
    };
  }
  
  // Validate countries
  const validCountries = countries.filter(country => 
    ["USA", "US", "United States", "UK", "United Kingdom", "Britain", "Great Britain"].includes(country)
  );
  
  if (validCountries.length === 0) {
    return {
      content: [{ 
        type: "text", 
        text: "Invalid countries specified. This tool supports leave requests for USA and UK only." 
      }],
      isError: true
    };
  }
  
  // Generate leave request response
  return generateLeaveResponse(
    employee,
    employee_id,
    start_date,
    end_date,
    reason,
    validCountries,
    contact_info,
    diffDays,
    workDays
  );
};
  • src/tools/requestGlobalLeave.ts:7-18 (schema)
    Zod schema defining input parameters for the request_global_leave tool.
    export const requestGlobalLeaveSchema = {
  employee_id: z.string().describe("The ID of the employee requesting leave"),
  start_date: z.string().describe("Start date of the leave (YYYY-MM-DD)"),
  end_date: z.string().describe("End date of the leave (YYYY-MM-DD)"),
  reason: z.string().describe("Reason for the leave request"),
  countries: z.array(z.string()).describe("Countries for which leave is being requested (e.g., [\"USA\", \"UK\"])"),
  contact_info: z.object({
    email: z.string().optional().describe("Contact email during leave"),
    phone: z.string().optional().describe("Contact phone during leave"),
    emergency_contact: z.string().optional().describe("Emergency contact during leave")
  }).optional().describe("Contact information during leave")
};
  • src/tools/requestGlobalLeave.ts:132-223 (helper)
    Supporting function that generates the formatted Markdown response for approved leave requests.
    function generateLeaveResponse(
  employee: any, 
  employee_id: string, 
  start_date: string, 
  end_date: string, 
  reason: string, 
  countries: string[], 
  contact_info?: any,
  diffDays?: number,
  workDays?: number
) {
  // Format countries for display
  const formattedCountries = countries.map(country => {
    if (["USA", "US", "United States"].includes(country)) return "United States";
    if (["UK", "United Kingdom", "Britain", "Great Britain"].includes(country)) return "United Kingdom";
    return country;
  });
  
  // Generate unique request ID
  const requestId = `GLR-${Math.floor(Math.random() * 10000)}-${new Date().getFullYear()}`;
  
  // Determine manager approvals needed
  let managerName = "None (Executive Level)";
  if (employee.manager) {
    const manager = employeesData[employee.manager];
    managerName = manager ? manager.name : "Unknown";
  }
  
  // Generate response
  let response = `# Global Leave Request Submitted\n\n`;
  response += `## Request Details\n`;
  response += `* **Request ID:** ${requestId}\n`;
  response += `* **Status:** Pending Approval\n`;
  response += `* **Employee:** ${employee.name} (${employee_id})\n`;
  response += `* **Department:** ${employee.department}\n`;
  response += `* **Leave Period:** ${start_date} to ${end_date}\n`;
  response += `* **Duration:** ${diffDays} total days (${workDays} work days)\n`;
  response += `* **Countries:** ${formattedCountries.join(", ")}\n`;
  response += `* **Reason:** ${reason}\n\n`;
  
  response += `## Approval Chain\n`;
  response += `1. **Direct Manager:** ${managerName} - Pending\n`;
  
  // Add regional approvers based on countries
  let approvalStep = 2;
  if (formattedCountries.includes("United States")) {
    response += `${approvalStep}. **US Regional Compliance:** Amanda Hughes (CFO) - Pending\n`;
    approvalStep++;
  }
  
  if (formattedCountries.includes("United Kingdom")) {
    response += `${approvalStep}. **UK Regional Compliance:** Benjamin Wright (General Counsel) - Pending\n`;
    approvalStep++;
  }
  
  response += `${approvalStep}. **Global HR Director:** Alice Smith - Pending\n\n`;
  
  // Add contact information section
  response += `## Contact Information During Leave\n`;
  if (contact_info) {
    response += `* **Email:** ${contact_info.email || employee.email}\n`;
    response += `* **Phone:** ${contact_info.phone || employee.phoneNumber}\n`;
    if (contact_info.emergency_contact) {
      response += `* **Emergency Contact:** ${contact_info.emergency_contact}\n`;
    } else {
      response += `* **Emergency Contact:** ${employee.emergencyContact.name} (${employee.emergencyContact.relationship}): ${employee.emergencyContact.phoneNumber}\n`;
    }
  } else {
    response += `* **Email:** ${employee.email}\n`;
    response += `* **Phone:** ${employee.phoneNumber}\n`;
    response += `* **Emergency Contact:** ${employee.emergencyContact.name} (${employee.emergencyContact.relationship}): ${employee.emergencyContact.phoneNumber}\n`;
  }
  
  response += `\n## Next Steps\n`;
  response += `1. Your request has been submitted and is awaiting approval from your management chain.\n`;
  response += `2. You will receive notifications as your request progresses through the approval process.\n`;
  response += `3. Please allow 2-3 business days for all approvals to be processed.\n`;
  response += `4. For international travel compliance questions, contact Global Mobility at global.mobility@example.com.\n\n`;
  
  response += `## Compliance Reminders\n`;
  if (formattedCountries.includes("United States")) {
    response += `* **United States:** Ensure you have completed the US tax declaration form if you'll be working during your stay.\n`;
  }
  if (formattedCountries.includes("United Kingdom")) {
    response += `* **United Kingdom:** A temporary work notification is required for stays over 14 days. HR will assist with this process.\n`;
  }
  
  return {
    content: [{ type: "text", text: response }],
    isError: false
  };
}
  • src/index.ts:471-639 (registration)
    Registration of the request_global_leave tool on the MCP server using inline schema and handler implementation (duplicates modular version).
    server.tool(
  "request_global_leave",
  {
    employee_id: z.string().describe("The ID of the employee requesting leave"),
    start_date: z.string().describe("Start date of the leave (YYYY-MM-DD)"),
    end_date: z.string().describe("End date of the leave (YYYY-MM-DD)"),
    reason: z.string().describe("Reason for the leave request"),
    countries: z.array(z.string()).describe("Countries for which leave is being requested (e.g., [\"USA\", \"UK\"])"),
    contact_info: z.object({
      email: z.string().optional().describe("Contact email during leave"),
      phone: z.string().optional().describe("Contact phone during leave"),
      emergency_contact: z.string().optional().describe("Emergency contact during leave")
    }).optional().describe("Contact information during leave")
  },
  async ({ employee_id, start_date, end_date, reason, countries, contact_info }) => {
    logMessage(`Processing global leave request for employee: ${employee_id}`);
    
    // Check if employee exists
    const employee = employeesData[employee_id];
    if (!employee) {
      return {
        content: [{ type: "text", text: `No employee found with ID ${employee_id}.` }],
        isError: true
      };
    }
    
    // Validate dates
    const startDate = new Date(start_date);
    const endDate = new Date(end_date);
    
    if (isNaN(startDate.getTime()) || isNaN(endDate.getTime())) {
      return {
        content: [{ type: "text", text: "Invalid date format. Please use YYYY-MM-DD format." }],
        isError: true
      };
    }
    
    if (startDate > endDate) {
      return {
        content: [{ type: "text", text: "Start date cannot be after end date." }],
        isError: true
      };
    }
    
    // Calculate number of days
    const diffTime = Math.abs(endDate.getTime() - startDate.getTime());
    const diffDays = Math.ceil(diffTime / (1000 * 60 * 60 * 24)) + 1;
    
    // Check for weekend days (simple approach)
    let weekendDays = 0;
    let currentDate = new Date(startDate);
    while (currentDate <= endDate) {
      const dayOfWeek = currentDate.getDay();
      if (dayOfWeek === 0 || dayOfWeek === 6) { // 0 = Sunday, 6 = Saturday
        weekendDays++;
      }
      currentDate.setDate(currentDate.getDate() + 1);
    }
    
    const workDays = diffDays - weekendDays;
    
    // Validate if employee has enough vacation days
    if (workDays > employee.vacationDays.remaining) {
      return {
        content: [{ 
          type: "text", 
          text: `Insufficient vacation days. Request requires ${workDays} work days, but employee only has ${employee.vacationDays.remaining} remaining.` 
        }],
        isError: true
      };
    }
    
    // Validate countries
    const validCountries = countries.filter(country => 
      ["USA", "US", "United States", "UK", "United Kingdom", "Britain", "Great Britain"].includes(country)
    );
    
    if (validCountries.length === 0) {
      return {
        content: [{ 
          type: "text", 
          text: "Invalid countries specified. This tool supports leave requests for USA and UK only." 
        }],
        isError: true
      };
    }
    
    // Format countries for display
    const formattedCountries = validCountries.map(country => {
      if (["USA", "US", "United States"].includes(country)) return "United States";
      if (["UK", "United Kingdom", "Britain", "Great Britain"].includes(country)) return "United Kingdom";
      return country;
    });
    
    // Generate unique request ID
    const requestId = `GLR-${Math.floor(Math.random() * 10000)}-${new Date().getFullYear()}`;
    
    // Determine manager approvals needed
    let managerName = "None (Executive Level)";
    if (employee.manager) {
      const manager = employeesData[employee.manager];
      managerName = manager ? manager.name : "Unknown";
    }
    
    // Generate response
    let response = `# Global Leave Request Submitted\n\n`;
    response += `## Request Details\n`;
    response += `* **Request ID:** ${requestId}\n`;
    response += `* **Status:** Pending Approval\n`;
    response += `* **Employee:** ${employee.name} (${employee_id})\n`;
    response += `* **Department:** ${employee.department}\n`;
    response += `* **Leave Period:** ${start_date} to ${end_date}\n`;
    response += `* **Duration:** ${diffDays} total days (${workDays} work days)\n`;
    response += `* **Countries:** ${formattedCountries.join(", ")}\n`;
    response += `* **Reason:** ${reason}\n\n`;
    
    response += `## Approval Chain\n`;
    response += `1. **Direct Manager:** ${managerName} - Pending\n`;
    
    // Add regional approvers based on countries
    let approvalStep = 2;
    if (formattedCountries.includes("United States")) {
      response += `${approvalStep}. **US Regional Compliance:** Amanda Hughes (CFO) - Pending\n`;
      approvalStep++;
    }
    
    if (formattedCountries.includes("United Kingdom")) {
      response += `${approvalStep}. **UK Regional Compliance:** Benjamin Wright (General Counsel) - Pending\n`;
      approvalStep++;
    }
    
    response += `${approvalStep}. **Global HR Director:** Alice Smith - Pending\n\n`;
    
    // Add contact information section
    response += `## Contact Information During Leave\n`;
    if (contact_info) {
      response += `* **Email:** ${contact_info.email || employee.email}\n`;
      response += `* **Phone:** ${contact_info.phone || employee.phoneNumber}\n`;
      if (contact_info.emergency_contact) {
        response += `* **Emergency Contact:** ${contact_info.emergency_contact}\n`;
      } else {
        response += `* **Emergency Contact:** ${employee.emergencyContact.name} (${employee.emergencyContact.relationship}): ${employee.emergencyContact.phoneNumber}\n`;
      }
    } else {
      response += `* **Email:** ${employee.email}\n`;
      response += `* **Phone:** ${employee.phoneNumber}\n`;
      response += `* **Emergency Contact:** ${employee.emergencyContact.name} (${employee.emergencyContact.relationship}): ${employee.emergencyContact.phoneNumber}\n`;
    }
    
    response += `\n## Next Steps\n`;
    response += `1. Your request has been submitted and is awaiting approval from your management chain.\n`;
    response += `2. You will receive notifications as your request progresses through the approval process.\n`;
    response += `3. Please allow 2-3 business days for all approvals to be processed.\n`;
    response += `4. For international travel compliance questions, contact Global Mobility at global.mobility@example.com.\n\n`;
    
    response += `## Compliance Reminders\n`;
    if (formattedCountries.includes("United States")) {
      response += `* **United States:** Ensure you have completed the US tax declaration form if you'll be working during your stay.\n`;
    }
    if (formattedCountries.includes("United Kingdom")) {
      response += `* **United Kingdom:** A temporary work notification is required for stays over 14 days. HR will assist with this process.\n`;
    }
    
    return {
      content: [{ type: "text", text: response }],
      isError: false
    };
  }
);

Tool Definition Quality

D1/5.0
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Tool has no description.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

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Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness1/5

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Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters1/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Tool has no description.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

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Tool has no description.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

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