"Understanding Integrated Knowledge Graphs" matching MCP connectors:

Field-tested Spanish immigration gotchas, procedure guides, and live Madrid padrón availability.

Urban intelligence knowledge graph. Structured locality data for civic problem-solving.

Machine-first, web-sourced knowledge base of current SK/CZ/AT/EU civic, tax & legal facts — each with source, date & confidence.

World Bank Climate Change Knowledge Portal (CCKP) MCP.

UK air quality MCP: live readings, historical trends, LAQM stats, WHO checks, knowledge base.

Australian tax knowledge base for agents: 34,500+ ATO documents, cited answers to any tax question.

Drop El Salvador into your context window: ~280 official ES/EN docs, hybrid search. Free PAT.