Free SEO toolkit — analyze meta tags, sitemaps, readability, keywords, and more
About
A free, open-source MCP server with 6 SEO analysis tools. Audit any webpage's on-page SEO directly from your AI assistant — check meta tags, robots.txt, sitemaps, keyword density, readability scores, and heading structure. Zero API keys required, works out of the box.
Security Report
Valid MCP server (2 strong, 4 medium validity signals). No known CVEs in dependencies. Package registry verified. Imported from the Official MCP Registry.
11 files analyzed · 1 issue found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"seo-toolkit-mcp": {
"args": [
"-y",
"seo-toolkit-mcp"
],
"command": "npx"
}
}
}Getting Started
Once installed, try these example prompts and explore these capabilities:
- 1"Analyze the SEO meta tags on https://example.com"
- 2"Check the robots.txt for https://example.com"
- 3"Validate the sitemap at https://example.com/sitemap.xml"
- 4"What's the keyword density of this text for the keyword 'machine learning'?"
- 5"Score the readability of this article text"
- 6"Check the heading structure on https://example.com"
- 7Tool: meta_tags — Fetch a URL and analyze title, description, OG, Twitter, canonical
- 8Tool: robots_txt — Parse robots.txt rules, allowed/disallowed paths, sitemaps
- 9Tool: sitemap_check — Validate sitemap.xml format, URL count, duplicates
- 10Tool: keyword_density — Analyze keyword frequency and n-gram density
- 11Tool: readability — Flesch-Kincaid scoring, grade level, reading time
- 12Tool: heading_structure — H1-H6 hierarchy analysis with issue detection
Documentation
View on GitHubFrom the project's GitHub README.
SEO toolkit as an MCP server. Analyze meta tags, robots.txt, sitemaps, keyword density, readability, and heading structure from any AI assistant that supports MCP.
Install
Add to your MCP client config (Claude, Cursor, etc.):
{
"mcpServers": {
"seo-toolkit-mcp": {
"command": "npx",
"args": ["-y", "seo-toolkit-mcp"]
}
}
}
Tools
| Tool | Description |
|---|---|
meta_tags | Analyze a page's SEO meta tags (title, description, OG, Twitter, canonical) |
robots_txt | Parse robots.txt rules, sitemaps, and crawl directives |
sitemap_check | Validate sitemap.xml format, URL count, and common issues |
keyword_density | Keyword frequency analysis with single words, bigrams, and trigrams |
readability | Flesch-Kincaid readability scoring with actionable tips |
heading_structure | Heading hierarchy (H1-H6) analysis with structure validation |
Example Prompts
- "Analyze the meta tags on https://example.com"
- "Check the robots.txt for example.com"
- "Validate the sitemap at https://example.com/sitemap.xml"
- "What's the keyword density of this text for 'machine learning'?"
- "Score this blog post for readability"
- "Check the heading structure of https://example.com/blog/post"
Network safety
The URL-fetching tools only fetch public web addresses (localhost, private-network and link-local addresses are refused, including through redirects); to analyze a site running on your own machine during local development, set the environment variable SEO_TOOLKIT_ALLOW_PRIVATE=1 in the server's env block.
License
MIT
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Version History
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