FrontierMCP
Independent MCP checks

Will this MCP work — and keep working?

Check any public remote MCP. See its live protocol, tools and client fit. Get alerted when a change may break your agent.

Public HTTPS endpoints only · no credentials · no tool calls
Live check

Know whether the endpoint answers a real MCP protocol request right now.

Client fit

See configuration evidence for Claude, Cursor, ChatGPT, VS Code and Generic MCP.

Breaking-change alerts

Contract history makes removed tools and required fields explainable.

Try a public endpoint

Examples

These are starting points only. Each check is run live when you submit it.

Coming next: monitoring for €9/month. The free check shows facts first. Paid monitoring will watch up to five MCPs and alert only on relevant changes.