LeaveSheet: WH-347 payroll and PTO accrual

MCP server (stdio, npm package leavesheet-mcp) for U.S. certified payroll and leave: WH-347 (Rev. January 2025) columns 5-9 for a crew week, fringe paid to each plan and the column 6B reconciliation, plus PTO accrual balances (tenure tiers, caps, carryover, half days, U.S. federal holidays). 3 tools: wh347_payroll_lines, wh347_fringe_reconcile, pto_accrual. No network access, no data stored. Calculator output only, not legal or payroll advice. Source: https://github.com/tresor4k/leavesheet-mcp.