Open-source SEO tools you can run yourself, read every line of, and hand to your AI agent
SEO and design expert inside your AI agent
Stage
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Founded
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Based in
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Pricing model
Open source
Freemium
Pricing
Hosted app: free, all features unlimited. Self-hosted: free, open source under MIT licence. Search data from YepAPI: paid per lookup. Examples: keyword overview $0.47–$0.57, keyword ideas $0.07–$0.25, SERP checker $0.25–$0.26, rank check $0.02–$0.10, backlink checker $0.30–$0.34. New YepAPI accounts
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Key features
Keyword research with difficulty, volume and top 10 results
SERP checker for any location with desktop and mobile options
Rank tracking to top 20, 50 or 100 by country, city or coordinates
Backlink checker with monthly link history
AI visibility tracking across 120+ AI models with web search
Local rank checker with geo-grid maps
MCP server with 76 tools for AI agents
Google Search Console integration
Self-hosting with Docker on your own server
Scan pages for SEO, AI search and design problems
Get ready-to-paste fixes for each issue found
Rescan after deployment to verify fixes worked
Get design review with homepage rewrite and headline options
Homepage redesign as HTML to build from (Pro)
Weekly task list for whole site (Pro)
Draft generation for missing pages (Pro)
Sign in via OAuth with no API key needed
Works with Cursor, Claude Code, ChatGPT and any MCP client
What makes it different
MIT licensed open-source code you can read and modify completely
Self-hosted option keeps all your data on your own server
Pay per lookup with spending limits controlled by you
AI agents have spending ceilings to prevent overspending
Sees what Google, AI crawlers and real phones see, not just your code
No API keys to manage, sign in once and stay in control
OpenSEO
OptimizeBear