GitBook
Documentation platform with automatic llms.txt, Markdown pages and an MCP server on every plan
UnverifiedAgent experienceFreemium, from $65/mo per sitegitbook.com
Schema App
Enterprise schema markup and content knowledge graph platform for search and AI systems
Schema App builds and maintains schema markup and entity linking across large websites and connects it into what it calls a Content Knowledge Graph, which it also exposes to AI search and agent systems (including through MCP). Pricing is a custom quote with a 12-month minimum term, a setup fee and included support hours; there is no free trial and the platform is no longer sold standalone to new customers.
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