Uptime Monitor Agent

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name: uptime-monitor description: Monitor uptime of websites/services and alert when down. Use when checking if a website is reachable, monitoring service health, or getting alerted on downtime. metadata: { "openclaw": { "requires": { "bins": ["curl"] }, "install": [], }, }

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Uptime Monitor

Monitor HTTP endpoints and alert when services go down.

Environment Variables

| Variable | Required | Default | Description | |----------|----------|---------|-------------| | MONITOR_URLS | Yes | — | Comma-separated list of URLs to monitor | | ALERT_WEBHOOK_URL | No | — | Webhook URL to send alerts (Discord, Slack, etc.) | | CHECK_INTERVAL | No | 60 | Interval in seconds between checks | | ALERT_EMAIL | No | — | Email address for alert notifications |

Scripts

check.sh — HTTP Health Check

Performs HTTP check with response time measurement.

./scripts/check.sh 

Output:

OK|https://example.com|200|245ms
FAIL|https://example.com|000|timeout

Exit code: 0 = up, 1 = down

alert.sh — Send Alert

Sends alert via webhook or email when a service is down.

./scripts/alert.sh    

report.sh — Uptime Report

Generates a daily uptime summary from the log file.

./scripts/report.sh

Output: Markdown-formatted report with uptime % per URL.

Usage Example

export MONITOR_URLS="https://example.com,https://api.example.com"
export ALERT_WEBHOOK_URL="https://discord.com/api/webhooks/..."
export CHECK_INTERVAL=60
Run a single check
./scripts/check.sh https://example.com
Generate report
./scripts/report.sh

Notes

Uses curl with a 10-second timeout for checks

Logs results to ~/.openclaw/workspace/skills/uptime-monitor/logs/status.log

Alert webhook expects a JSON payload (compatible with Discord/Slack/PagerDuty)

Uses curl with a 10-second timeout for checks

Logs results to ~/.openclaw/workspace/skills/uptime-monitor/logs/status.log

Alert webhook expects a JSON payload (compatible with Discord/Slack/PagerDuty)