An open-source MCP server (npm cygnix-seo-mcp, MIT) with 5 deterministic SEO tools that run locally on your own data. No API keys and no accounts. Listed in the official MCP Registry as io.github.cygnixlabs-cmd/cygnix-seo-mcp.
| Tool | What it does |
|---|---|
cluster_keywords | Groups a keyword list into topical clusters and picks a pillar keyword per cluster (one cluster ≈ one page) |
classify_search_intent | Labels keywords informational / commercial / transactional / navigational, with the matching signal |
find_keyword_cannibalization | Reads GSC CSV (Query + Page) and flags queries where your own pages compete, ranked HIGH/MEDIUM/LOW, with a fix |
check_title_meta | Scores title tags and meta descriptions (0–100): char + pixel truncation, keyword placement, CTR hooks |
content_brief_outline | Builds a brief from your keyword: intent, title options, meta draft, slug, H2 outline, questions to answer, on-page checklist |
Claude Code:
claude mcp add cygnix-seo -- npx -y cygnix-seo-mcp
Claude Desktop, Cursor and other stdio clients:
{"mcpServers": {"cygnix-seo": {"command": "npx", "args": ["-y", "cygnix-seo-mcp"]}}}
Source on GitHub · npm package
Updated 23 October 2026. Built by Cygnix Labs. Prices and free tiers are read from the public Apify Store API on the date above; check the listing for the current price. llms.txt