# Cron To Systemd — MCP tool `findutils:cron_to_systemd`

Convert a 5-field cron expression into a systemd timer plus service unit and a Kubernetes CronJob YAML file. Six-field cron (with seconds) is rejected.

- 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/cron-to-systemd/execute (no API keys, 60 req/min per IP)
- Reference page: https://findutils.com/mcp/cron-to-systemd/
- Same tool on the other surface: https://findutils.com/api/cron-to-systemd/

## 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": "cron_to_systemd",
      "arguments": {
        "expression": "*/5 * * * *",
        "unit_name": "pulse",
        "command": "/bin/true"
      }
    }
  }'
```

## Input schema

| Argument | Type | Required | Description |
|---|---|---|---|
| `expression` | string | yes | 5-field cron expression, e.g. "*/5 * * * *". |
| `unit_name` | string | no | systemd unit / CronJob name. Default: converted. |
| `command` | string | no | ExecStart / container command. Default: /usr/local/bin/your-command. |

Example arguments (verified):

```json
{
  "expression": "*/5 * * * *",
  "unit_name": "pulse",
  "command": "/bin/true"
}
```

## Also a REST endpoint

```bash
curl -X POST https://api.findutils.com/api/tools/cron-to-systemd/execute \
  -H "Content-Type: application/json" \
  -d '{
    "expression": "*/5 * * * *",
    "unit_name": "pulse",
    "command": "/bin/true"
  }'

# Parameter schema
curl https://api.findutils.com/api/tools/cron-to-systemd
```

Full REST reference: https://findutils.com/api/cron-to-systemd/ · 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