# corewebvitals/State of Web Vitals MCP

Source: https://glimind.com/server/glama%2Fcorewebvitals%2Fstate-of-web-vitals-mcp
Registry id: `glama/corewebvitals/state-of-web-vitals-mcp`
Status: live (checked 2026-10-26T20:53:20.795Z)

## Measurements (30 days)

- Uptime: 99.24%
- Checks: 4768
- Outages (90 days): 19

## Install

```json
{
  "mcpServers": {
    "corewebvitals-state-of-web-vitals-mcp": {
      "type": "http",
      "url": "https://www.corewebvitals.io/api/state-of-cwv/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http corewebvitals-state-of-web-vitals-mcp https://www.corewebvitals.io/api/state-of-cwv/mcp
```

## Tools (3)

- `get_histogram`: What is the shape of one metric? Returns histogram buckets (count + share) plus summary stats. Metric: one of lcp, inp, cls, fcp, ttfb (field CWV), or a scalar 
- `get_metrics`: What are the numbers? Aggregate Core Web Vitals and/or technique metrics across sites, with optional filter and group_by. Responses include attribution — credit
- `list_options`: Discover what you can pass to get_metrics / get_histogram: filter keys, group_by values, built-in metrics, and contract metric paths (optional kind filter). Cal

Measured by Glimind (https://glimind.com): MCP handshake + tool list only, no tool is ever called. CC BY 4.0.