28,784 servers. Updated 2026-10-09 10:50

"Oh Dear" matching MCP connectors:

GET /v1/connectors – MCP directory API reference

Matching Connector Tools:

Heartbeat — dead-man switch for cron jobs & AI agents A
io.github.aniripsaretro-max
Dead-man switch monitors for cron & AI agents with dependency-cascade alerts. No account needed.
Monitoring Observability
51
State of Web Vitals A
io.github.corewebvitals
Core Web Vitals metrics by CMS, CDN, and framework — free remote MCP, no auth.
Monitoring Observability
32
Hydra operation count, body discarded C
io.github.sadri-dridi
Hydra operation count, body discarded
Monitoring Observability Developer Tools
311
NetFlow version nibble, bytes discarded C
io.github.sadri-dridi
NetFlow version nibble, bytes discarded
Networking & Infrastructure Monitoring Observability
311
journald cursor shape, value discarded C
io.github.sadri-dridi
journald cursor shape, value discarded
Observability Command Line Developer Tools
311
LEEF attr count, line discarded C
io.github.sadri-dridi
LEEF attr count, line discarded
Observability Monitoring
311
Age seconds band, value discarded C
io.github.sadri-dridi
Age seconds band, value discarded
Monitoring Observability
311
syslog PRI band, line discarded C
io.github.sadri-dridi
syslog PRI band, line discarded
Observability Monitoring Networking & Infrastructure
311
NEL JSON key count, body discarded C
io.github.sadri-dridi
NEL JSON key count, body discarded
Monitoring Observability Networking & Infrastructure
311
GraphQL operation count, query discarded C
io.github.sadri-dridi
GraphQL operation count, query discarded
Developer Tools Observability Monitoring
311
Forwarded pair count, value discarded C
io.github.sadri-dridi
Forwarded pair count, value discarded
Monitoring Observability
311
MeasureOAuth
sh.measure
Get to the root cause of mobile app crashes, errors & slow traces with Measure MCP
Monitoring Observability
11,387