# HostTracker > Website uptime monitoring service that checks availability, SSL certificates, domains, blacklists, page speed, and API endpoints from 300+ global locations. Trusted by 500,000+ websites since 2004. HostTracker supports 13 monitoring types (HTTP/S, ping, TCP port, transaction, web content, API, page speed, database, server load, Web Risk, blacklist/DNSBL, domain and SSL certificate expiry) and alerts within 60 seconds via SMS, email, voice call, Telegram, Slack, Viber, Discord, web push, or webhook. Checks run from 300+ worldwide checkpoints and confirm an outage from multiple locations before alerting, to avoid false alarms. ## Product - [Homepage](https://www.host-tracker.com/en/): overview, live status demo, FAQ - [Pricing](https://www.host-tracker.com/en/payment/packages): plans and features - [Instant checks](https://www.host-tracker.com/en/ic): free one-off HTTP, ping, port, DNS, whois, blacklist and other checks ## For agents - [MCP server](https://www.host-tracker.com/en/mcp-server): connect an AI assistant (Claude Code, Cursor, …) to run instant website checks from 300+ locations in-chat. Endpoint https://mcp.host-tracker.com/mcp, Bearer API token (`ic` scope). Tools: run_instant_check, get_check_result, list_check_types. - [auth.md](https://www.host-tracker.com/auth.md): how to authenticate (per-user API token, `ic` scope) - [Agent skills](https://www.host-tracker.com/.well-known/agent-skills/index.json): markdown access, instant checks, content search - [MCP server card](https://www.host-tracker.com/.well-known/mcp/server-card.json): the MCP server's machine-readable discovery card ## Content - [Blog](https://www.host-tracker.com/en/blog): monitoring guides and how-tos - [Glossary](https://www.host-tracker.com/en/glossary): monitoring and networking term definitions - [FAQ](https://www.host-tracker.com/en/faq): frequently asked questions