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Discoverability surfaces
A vendor-extension property added to OpenAPI operations that names the corresponding MCP tool, so a single OpenAPI fetch maps every REST endpoint to its agent-callable equivalent. VC Deal Flow Signal uses x-mcp-tool on five OpenAPI operations (get_signals_summary, get_startup_signal, get_methodology, get_deep_signal, share_result) plus a top-level x-mcp-server enumerating 8 tools, 3 resources, 2 templates, and 5 prompts in one document.
Programmatic SEO, AEO, GEO, AIO, and the schemas behind them.
A content strategy that generates hundreds or thousands of search-optimized pages from structured data using templates.
The practice of structuring website content so that AI assistants and large language models (LLMs) can accurately cite it when answering user questions.
An open protocol that allows websites to notify search engines (Bing, Yandex, Seznam, Naver, and others) about new or updated content in real time.
Structuring content so that answer engines — Google's People-Also-Ask, Reddit pull-quotes, Quora top answers, ChatGPT search results, Perplexity citations — can extract a complete, self-contained answer in 40–80 words.
The subset of GEO/AEO targeted specifically at Google's AI Overviews (formerly SGE).
A Schema.
JavaScript Object Notation for Linked Data — the W3C-standard syntax for embedding structured data in web pages.
A Schema.
This definition is published under CC BY 4.0. Cite as:
The Data Nerd. "x-mcp-tool Vendor Extension." VC Deal Flow Signal Glossary, https://signals.gitdealflow.com/define/x-mcp-tool.
The free Acceleration Watch turns terms like x-mcp-tool Vendor Extension into five named, accelerating startups every Sunday — translated into plain English, 21 to 47 days before the deck circulates. No code-reading, no card.