In-depth architectural comparison of the Country State City and Castlemap MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Country State City
Location Services · Remote HTTP/SSE
Quality: 51/100 (Good) | Auth: No auth required
Castlemap MCP
Location Services · Remote HTTP/SSE
Quality: 59/100 (Good) | Auth: No auth required
Verdict Summary: Choose Country State City if you need specialized Location Services tools running via a hosted cloud SSE transport. Choose Castlemap MCP if your workspace requires Location Services integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Country State City when:
You need dedicated capabilities in the Location Services domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
CountryStateCity MCP — wraps CountryStateCity API (api.countrystatecity.in/v1)
Query 2,400 castles, fortresses and palaces across 131 countries (coordinates, founding dates, fame ranking, Wikipedia summaries) from the open CC0 Castlemap dataset built on Wikidata. Hosted endpoint needs no API key; the zero-dependency server can also be self-hosted.
List all countries with ISO codes, capitals, phone codes, currencies, and regions. Returns ~250 countries. Useful for building dropdowns or validating country data.
get_states
Get all states or provinces for a country by ISO2 code (e.g., "US", "IN", "BR"). Returns state names, codes, and types.
get_cities
Get cities for a country, optionally filtered by state. Pass country_code (e.g., "US") and optionally state_code (e.g., "CA") to narrow results.
Castlemap MCP Tools (7)
search_castles
Find castles by name, country or category
get_castle
Full record for one castle
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Country State City is categorized under Location Services and uses a remote streaming HTTP/SSE transport. In contrast, Castlemap MCP belongs to Location Services using remote streaming HTTP/SSE transport. Select Country State City when you need capabilities focused on location services and Castlemap MCP when you require tools for location services.