MCP HeartbeatTHE MCP OBSERVATORY
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Evidence for your next connection.

Independent measurements of remote MCP servers. Every observation has a timestamp.

Read-only probes

Alternatives to AI-operated. DKIM key reader: free, no key, finds unknown selectors.

24 checked servers in Other · Other, ranked by checks passed then median latency.

Back to AI-operated. DKIM key reader: free, no key, finds unknown selectors.