Lumen MCP

Lumen is a local-first, agent-first SEO audit toolkit that runs on free data sources. It provides five MCP tools for site audits, page reports, keyword ideas, rank checks, and authority analysis. It supports BYOK for data providers and ensures provenance on every metric.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by nitishagar

Vendor documentation

What you can do with it

Run local site audits with 36 built-in rules
Generate keyword ideas using free data sources
Check search engine rankings
Analyze Core Web Vitals and page authority

Source and maintenance

Community listingRegistry 0.3.0

mcp-registry: io.github.nitishagar/lumen@0.3.0 Source repository

Maintenance checked: Oct 31, 2026, 10:27 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

@lumen-seo/cli 0.3.0

npm

@lumen-seo/cli package definition

{
  "version": "0.3.0",
  "transport": "stdio",
  "identifier": "@lumen-seo/cli",
  "registryType": "npm",
  "environmentVariables": [
    {
      "name": "LUMEN_PSI_KEY",
      "format": "string",
      "description": "Google PageSpeed Insights API key — enables the CWV lab leg of page reports. Optional; without it that leg reports not-configured."
    },
    {
      "name": "LUMEN_CRUX_KEY",
      "format": "string",
      "description": "Chrome UX Report API key — enables field CWV data. Optional; without it that leg reports not-configured."
    },
    {
      "name": "LUMEN_OPR_KEY",
      "format": "string",
      "description": "Open PageRank API key — enables the OPR authority signal. Optional; without it that signal reports not-configured."
    }
  ]
}

Tools

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No tool definitions available.

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "lumen-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@lumen-seo/cli@0.3.0"
      ],
      "env": {
        "LUMEN_PSI_KEY": "<YOUR_LUMEN_PSI_KEY>",
        "LUMEN_CRUX_KEY": "<YOUR_LUMEN_CRUX_KEY>",
        "LUMEN_OPR_KEY": "<YOUR_LUMEN_OPR_KEY>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "lumen-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@lumen-seo/cli@0.3.0"
      ],
      "env": {
        "LUMEN_PSI_KEY": "<YOUR_LUMEN_PSI_KEY>",
        "LUMEN_CRUX_KEY": "<YOUR_LUMEN_CRUX_KEY>",
        "LUMEN_OPR_KEY": "<YOUR_LUMEN_OPR_KEY>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "lumen-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@lumen-seo/cli@0.3.0"
      ],
      "env": {
        "LUMEN_PSI_KEY": "<YOUR_LUMEN_PSI_KEY>",
        "LUMEN_CRUX_KEY": "<YOUR_LUMEN_CRUX_KEY>",
        "LUMEN_OPR_KEY": "<YOUR_LUMEN_OPR_KEY>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "lumen-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@lumen-seo/cli@0.3.0"
      ],
      "env": {
        "LUMEN_PSI_KEY": "<YOUR_LUMEN_PSI_KEY>",
        "LUMEN_CRUX_KEY": "<YOUR_LUMEN_CRUX_KEY>",
        "LUMEN_OPR_KEY": "<YOUR_LUMEN_OPR_KEY>"
      }
    }
  }
}

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