OpenSEO
OpenSEO is an open-source SEO platform that offers keyword research, backlink querying, ranking tracking, and site auditing. Its official website states that it charges by usage and supports self-hosting, and can integrate various coding agents through MCP.
Updated: 2026-10-26
What is OpenSEO?
The official website of OpenSEO positions itself as an open-source alternative to Ahrefs and Semrush, offering keyword research, backlink checking, rank tracking, and site audits. Its billing model is usage-based rather than a subscription costing over $100 per month. Another core focus of OpenSEO is for AI agents: the official provides MCP services that can integrate platforms like Claude, Codex, OpenClaw, OpenCode, and Gemini, and the official website claims that the connection can be completed in two minutes.
Who is it for?
- Independent developers and small teams who find the monthly fees of traditional SEO tools too high and only want to pay for actual usage.
- People who already use coding agents in their daily work and want to conduct keyword research in the same conversation.
- Content teams that need to track the growth of their brand mentions in AI-generated responses.
- Technical teams that have self-hosting capabilities and wish to keep their data in their own environment.
Key features
6Keyword Workflow
The official website lists keyword research (finding keywords and result pages), saved keywords, and rank tracking.
Domain Research
Provides domain overview, backlink query and page-level SEO audits.
AI Visibility
The official website features an AI Visibility section, which is used to research prompts, track mentions and citations of the brand, and compare responses from different models using a prompt comparator.
MCP Integration
The official offering includes OpenSEO MCP and Search Console MCP, with multiple slash commands covering SEO coaching, site audits, keyword research, and competitive analysis.
Project Context
The official website mentions Project Context and agent reports, enabling agents to generate conclusions based on the project background.
Fully open source
The official website marks it as 100% open source, which can be self-hosted or directly use the hosted version.
How to use OpenSEO
- 1First, clarify whether you need a "human-facing interface" or "agent-facing use case". For the former, start with the web interface; for the latter, begin with MCP configuration, as the preparation steps differ.
- 2When connecting to the MCP, follow the setup prompt on the official website; after completing the configuration, first use small commands such as "keyword research" to verify connectivity.
- 3Keyword results should be viewed in conjunction with the actual conversion data of your own site; the signals provided by the tool are search-side and do not equate to topic value.
- 4Before self-hosting, confirm the compliance requirements for data crawling and storage, especially regarding the authorization scope of Search Console.
- 5The official pricing and features are subject to change; please recheck the official billing instructions before commercial use.
Traffic & popularity
Data month Sep 2026
OpenSEO receives about 1.5M visits per month and ranks #26,708 worldwide.
Monthly visits
10 monthsTraffic sources
- Direct42.6%
- Search30.5%
- Referrals14.7%
- Social8.0%
- Mail2.0%
- Other2.1%
Top countries
- United States22.9%
- India17.0%
- Indonesia6.3%
- Vietnam5.9%
- Germany4.0%
Estimated from third-party traffic data.
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