"IP address geolocation lookup service" matching MCP connectors:

Canonical vocabulary server for autonomous business design. Exposes the Arco Lexicon as seven MCP tools: term lookup, related terms, alignment verification, citation formatting, source retrieval, term listing, and term suggestion. No authentication required. Streamable HTTP transport.

Search SORACOM documentation: service guides, FAQ, API references, IoT recipes, etc.

IC datasheet search: parametric part finding, spec lookup, price comparison — grounded in real PDFs.

VibeMarketing (https://vibemarketing.ninja/mcp) is a directory service that catalogs and provides information about various MCP (Model Context Protocol) servers. It serves as a centralized resource where users can discover different MCP servers and their capabilities. Examples of servers listed in the directory include Sequential Thinking MCP (for dynamic problem-solving through structured thought sequences) and Memory MCP (a knowledge graph-based persistent memory system).

ICH guideline lookup, CTD/eCTD module mapping, submission checklists, and FDA/EMA deficiency guidance for regulatory affairs teams.