Open-source SEO tools you can run yourself, read every line of, and hand to your AI agent
Website audit for SEO, AI visibility, and security with agent integration
Stage
Not given
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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
Free: quick preview and one free full audit. Single: $9 for one full audit. Pro: $49 per month for ten audits.
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
Markdown reports with fix prompts for agents
MCP server integration with multiple AI coding clients
Local CLI for auditing localhost and private networks
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
Agent-native design: reports and fix prompts formatted for AI to turn into code patches
No passwords or credentials required; OAuth sign-in with browser verification
Local-only checks for private sites and localhost
Three audit types in one scan: SEO, AI visibility, and security
Evidence-based findings with fix instructions for each issue
OpenSEO
Siteory