Analyze the H1-H6 heading hierarchy of an HTML document and return every heading, SEO warnings (missing or multiple H1, skipped levels, empty or overly long headings), and per-level counts.
This page documents the MCP tool findutils:heading_structure_analyzer. See the REST reference →
Call it over MCP
Tool name findutils:heading_structure_analyzer
· 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": "heading_structure_analyzer",
"arguments": {
"html": "<h1>SEO Guide</h1><h2>Keyword research</h2><h3>Long-tail keywords</h3>",
"keyword": "seo"
}
}
}' Input schema
| Argument | Type | Required | Description |
|---|---|---|---|
| html | string | yes | The HTML source to analyze (a full page or a fragment). |
| keyword | string | no | Optional target keyword. Each heading reports whether it contains this keyword (case-insensitive). |
Example arguments (verified)
{
"html": "<h1>SEO Guide</h1><h2>Keyword research</h2><h3>Long-tail keywords</h3>",
"keyword": "seo"
} Also a REST endpoint
The same tool answers plain HTTP at
POST /api/tools/heading-structure-analyzer/execute — no key, 60 requests/min.
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