"knowledge" matching MCP connectors:

KYP Agentic Trading with the Capital Markets Knowledge Graph — eleven markets, in-country.

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

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

World Bank Climate Change Knowledge Portal (CCKP) MCP.

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

Expatriator Immigration KnowledgeA

com.expatriator

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

MCP.SV — El Salvador Knowledge Server

sv.mcp

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