MCP Observatory
feeds

Live polling status for every upstream source the observatory polls — discovery, enrichment, and security. Updated every 60 seconds.

A healthy heartbeat here means the live event stream is current; stale or erroring feeds can mean stale CVE data on the security page. Learn how the pollers work on the methodology page.

tracked servers
17,407
github 16,749 · npm 536 · pypi 122
releases · 24h + 433
2,251
1,818 in the prior 24h
active maintainers · 24h
709
13,238 tracked all-time
code analyzed
37%
6,022 current · 300 re-due · 9,486 queued
CVEs tracked
337
182 critical/high · 41 new · 30d
build provenance
27%
178 of 660 npm/PyPI attested
live stream
1
SSE subscribers · 338 events · 338 cap lookups since 2h ago
subscribesecurity feed
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clients ●
last fetched 23m ago
next due in 6m
code ●
last fetched 4m ago
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cve ●
last fetched 1h ago
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github ●
last fetched 3m ago
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mcpso ✕
last fetched 45m ago
status err
next due in 14m
error mcpso upstream returned 403 for https://mcp.so/sitemap.xml
npm ●
last fetched 2m ago
next due due now
official ●
last fetched 1h ago
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pypi ●
last fetched 1m ago
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smithery ●
last fetched 5m ago
next due in 9m
static ●
last fetched 23m ago
next due in 6m
worker ●
last fetched 1m ago
next due due now