# Work Anniversary Calculator — MCP tool `findutils:work_anniversary_calculator`

Calculate job tenure between a start date and a target date: years/months/days, totals in days, weeks, months, and hours, approximate working days (5 of 7) and working hours (8 per working day), the weekday the job started, the next work anniversary, and passed/upcoming milestones (1 month to 10 years).

- Category: datetime
- MCP server: https://mcp.findutils.com/ (Streamable HTTP, no API keys, 120 req/min per IP)
- REST endpoint: POST https://api.findutils.com/api/tools/work-anniversary-calculator/execute (no API keys, 60 req/min per IP)
- Reference page: https://findutils.com/mcp/work-anniversary-calculator/
- Same tool on the other surface: https://findutils.com/api/work-anniversary-calculator/

## Connect

```bash
claude mcp add findutils --transport http https://mcp.findutils.com/
```

Claude Desktop (`claude_desktop_config.json`):

```json
{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}
```

## Call the tool (verified example)

```bash
curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "work_anniversary_calculator",
      "arguments": {
        "start_date": "2023-09-01",
        "target_date": "2026-04-18"
      }
    }
  }'
```

## Input schema

| Argument | Type | Required | Description |
|---|---|---|---|
| `start_date` | string | yes | First day at the job (YYYY-MM-DD). |
| `target_date` | string | no | Date to measure against (YYYY-MM-DD). Default: today (UTC). |

Example arguments (verified):

```json
{
  "start_date": "2023-09-01",
  "target_date": "2026-04-18"
}
```

## Also a REST endpoint

```bash
curl -X POST https://api.findutils.com/api/tools/work-anniversary-calculator/execute \
  -H "Content-Type: application/json" \
  -d '{
    "start_date": "2023-09-01",
    "target_date": "2026-04-18"
  }'

# Parameter schema
curl https://api.findutils.com/api/tools/work-anniversary-calculator
```

Full REST reference: https://findutils.com/api/work-anniversary-calculator/ · OpenAPI 3.1 spec: https://findutils.com/api/openapi.json

---
Full catalog: POST https://mcp.findutils.com/ with method `tools/list` · https://findutils.com/mcp/ · https://findutils.com/llms.txt