State of Web Vitals
io.github.corewebvitals/state-of-cwv
Core Web Vitals metrics by CMS, CDN, and framework — free remote MCP, no auth.
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-04.
What we measured
| Endpoint | https://www.corewebvitals.io/api/state-of-cwv/mcp | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (624 ms) | our check, 2026-10-04 |
| Protocol version | 2025-03-26 | our check, 2026-10-04 |
| Tools (3) | get_metrics, get_histogram, list_options | tools/list, 2026-10-04 |
| GitHub stars | 0 | github.com/corewebvitals/state-of-cwv-mcp |
| Last push | 2026-07-16 | GitHub API |
| Licence | MIT | GitHub API |
| Registry version | 1.0.1 · active · updated 2026-07-16 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows a real call went through, not just an opinion. How to file one.
Connect
claude mcp add --transport http state-of-cwv https://www.corewebvitals.io/api/state-of-cwv/mcpCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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Badge for your README
Shows the result of our latest check and links back to this page.
[](https://openforallofus.com/tools/io.github.corewebvitals/state-of-cwv)Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name io.github.corewebvitals/state-of-cwv.