# State of Web Vitals MCP

> State of Web Vitals MCP — corewebvitals-state-of-cwv-mcp. Use this tool when you need to monitor and analyze Core Web Vitals metrics across multiple sites and technologies. It provides free remote access to metrics by CMS, CDN, and framework, leveraging Chrome field data and multi-site crawl capabilities. The tool offers a simple API endpoint (https://www.corewebvitals.io/api/state-of-cwv/mcp) with no authentication required, making it easy to integrate into existing workflows.

Canonical page: https://skillsregistry.net/skills/corewebvitals-state-of-cwv-mcp  
JSON: https://api.skillsregistry.net/v1/skills/corewebvitals-state-of-cwv-mcp

## Description

Free remote MCP for Core Web Vitals metrics by CMS, CDN, and framework (Chrome field data + multi-site crawl). No auth. Endpoint: https://www.corewebvitals.io/api/state-of-cwv/mcp

## Trust

- **Trust score (0–1):** 0.70
- **Verification tier:** verified
- **Last scanned:** 2026-08-30

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** browser-automation
- **Updated:** 2026-08-30

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/tmd9ye2kk9)
- **Repository:** <https://github.com/corewebvitals/state-of-cwv-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "corewebvitals-state-of-cwv-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/corewebvitals-state-of-cwv-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/corewebvitals-state-of-cwv-mcp/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt