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

Best Data access / search MCP servers

4876 checked Data access / search servers, ranked by checks passed then median latency. Excession Labs: site search and security test requests leads with 16 of 22 checks passed. Median latency for the leader is 71 ms. These are measurements, not a rating.

All Data access / search servers