Employee Leave Management MCP Server
Enables managing employee leave through natural language, including applying, approving, rejecting, and canceling leave, checking balances, and listing requests, using an in-memory data model.
README
Employee Leave Management MCP Server
A FastMCP server that lets Claude Desktop manage employee leave through natural language. Uses an in-memory data model seeded with sample employees, so it runs with no external database.
Features
Tools: apply_for_leave, approve_leave, reject_leave, cancel_leave, list_pending_requests, check_leave_balance
Resources: employee://{id}/balance, employee://{id}/requests, policy://leave
Prompts: draft_leave_request, draft_decision
Leave is counted in working days (Mon–Fri). Balances deduct on approval and are credited back on cancellation.
Setup
Requires Python 3.10+ and uv.
uv add "mcp[cli]"
Run
uv run main.py # run the server
uv run mcp install main.py # register with Claude Desktop
After installing, fully restart Claude Desktop. The server appears under Settings → Developer → Local MCP servers.
Example prompts
- "What's the leave balance for employee E001?"
- "Apply for annual leave for E001 from 2026-08-03 to 2026-08-07, reason vacation."
- "Show pending leave requests for manager M001."
- "Approve request 1 as M001."
- "Apply for 30 days of annual leave for E001"
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