Keyword Density Checker

SEO REST API MCP

Analyze keyword density in text and return word/sentence/paragraph counts, the top 1-gram, 2-gram, and 3-gram phrases with counts and density percentages, and (optionally) the count, density, and over/good/low status of a target keyword. Densities are percentages rounded to 2 decimals.

This page documents the MCP tool findutils:keyword_density_checker. See the REST reference →

Use in the browser View as Markdown

Call it over MCP

Tool name findutils:keyword_density_checker · no API keys · 120 requests/min per IP

Claude Code

claude mcp add findutils --transport http https://mcp.findutils.com/

Claude Desktop — claude_desktop_config.json

{
  "mcpServers": {
    "findutils": {
      "url": "https://mcp.findutils.com/"
    }
  }
}

Raw JSON-RPC (any MCP client) — verified example

curl -X POST https://mcp.findutils.com/ \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "id": 1,
    "method": "tools/call",
    "params": {
      "name": "keyword_density_checker",
      "arguments": {
        "content": "SEO tools help. SEO tools rank pages.",
        "target_keyword": "seo tools"
      }
    }
  }'

Input schema

Argument	Type	Required	Description
content	string	yes	The text (or HTML, with strip_html) to analyze.
target_keyword	string	no	Optional keyword or phrase to measure. Good density is 0.5% to 3%.
strip_html	boolean	no	Remove HTML tags before analysis. Default false. Default: false.
exclude_stop_words	boolean	no	Skip n-grams made only of common stop words. Default true. Default: true.
limit	integer	no	Maximum phrases per n-gram table. Default 20. Default: 20.

Example arguments (verified)

{
  "content": "SEO tools help. SEO tools rank pages.",
  "target_keyword": "seo tools"
}

Also a REST endpoint

The same tool answers plain HTTP at POST /api/tools/keyword-density-checker/execute — no key, 60 requests/min.

Open the REST reference for Keyword Density Checker →

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