State of Web VitalsVerified🛡 No advisories
Provenancewhere it came from, and what was verified
Published to the official MCP registry by github.com/corewebvitals, which proved it owns this namespace.
🛡 Permissions & trustwhat this server can touch before you run it
About
Core Web Vitals metrics by CMS, CDN, and framework — free remote MCP, no auth.
Packages & transports
Computed from the server's own data, not a hidden formula. This measures how much you can depend on it, not how popular it is. Stars are shown separately, on purpose. How it's scored →
▸get_metrics89A
▸get_histogram100A
▸list_options93A
Structural, not an LLM's opinion: each check is a fact about the tool's schema, so it's reproducible. One weak tool drags the score (60% average, 40% worst). How it's scored →
Raise this grade
up to +9 on qualityOwn this server? Here's exactly what to change, biggest wins first. Every number below is a fixed point value, so you can see what each edit is worth before you make it.
With no reviews this sits at a neutral 11. Reviews reporting it works push it toward the full 20.
- 1 of 6 params have no type: `metrics`. Add a JSON Schema type to each.
- No `required` array. Declare which params are mandatory so an agent knows what it must provide.
- No `required` array. Declare which params are mandatory so an agent knows what it must provide.
Already earned (5) ▾Already earned (5) ▴
These are structural checks, so the fixes are exact. See the full formula →
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[](https://socketcat.com/servers/io.github.corewebvitals/state-of-cwv)Shows your live quality grade and links back here. It updates itself as the grade changes.
Reviews
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{
"mcpServers": {
"state_of_cwv": {
"command": "npx",
"args": [
"-y",
"state-of-cwv"
]
}
}
}▶ Try itlive against www.corewebvitals.io
This server has a hosted endpoint, so we can connect and list its actual tools right here. Nothing runs on your machine.