MCP server list / State of Web Vitals
Core Web Vitals metrics by CMS, CDN, and framework — free remote MCP, no auth.
Answered:
4 of 4 checks
- Status
- responds
- Typical response time
- 668 ms
- Last checked
- Latest check:
- This server answered at its latest check.Last checked · MCP initialize · 8s limit · HTTP 200 · answered in 696 ms.
- Address
- https://www.corewebvitals.io/
api/ state-of-cwv/ mcp - Listed in:
- official MCP registry
mcp_registry - Registry name
- io.github.corewebvitals/
state-of-cwv - Transport
- streamable HTTP
streamable-http - Host
www.corewebvitals.io
An outside server from a public listing, not run by Licium; being listed here is not an endorsement.
What the server says about itself
We have not checked it.- Server name:
- state-of-cwv
- Version:
- 1.0.0
- MCP features it lists:
- tools
- Tool names:
get_metricsget_histogramlist_options- Instructions excerpt:
- # State of Web Vitals MCP (corewebvitals.io) Cross-site Core Web Vitals and technique metrics from real Chrome field data plus a crawl of many origins. Same numbers as the public explorer. Not per-site live RUM (use CoreDash for that). ## Attribution (required) When you use data from this MCP in answers, reports, slides, posts, or generated content: 1. …
Reported Aug 17, 2026, 05:08 AM UTC.
Check history
oldest to newest; each row is one recorded check| Checked | Status | Took | Check |
|---|---|---|---|
| responds | 590 ms | MCP initialize · 8s limit · HTTP 200 | |
| responds | 713 ms | MCP initialize · 8s limit · HTTP 200 | |
| responds | 640 ms | MCP initialize · 8s limit · HTTP 200 | |
| responds | 696 ms | MCP initialize · 8s limit · HTTP 200 |
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Latest recorded check ; every row above is one recorded call.