In-depth architectural comparison of the Cnb and Hnb Hr 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
Cnb
Finance & Fintech · Local stdio
Quality: 57/100 (Good) | Auth: No auth required
Hnb Hr
Finance & Fintech · Local stdio
Quality: 44/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Cnb if you need specialized Finance & Fintech tools running via a local process. Choose Hnb Hr if your workspace requires Finance & Fintech integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Cnb when:
You need dedicated capabilities in the Finance & Fintech domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Fetches full daily ČNB FX sheets, Retrieves individual currency rates, Converts currencies through CZK.
Czech National Bank (ČNB) daily FX rates: fetch official CZK exchange rates, convert between currencies, fetch historical rates. Cached 10 min to ease upstream load. npm @czagents/cnb or HTTP at cnb.cz-agents.dev/mcp.
Croatian National Bank (Hrvatska narodna banka, HNB) exchange-rate MCP. Keyless.
HNB (Croatian National Bank) official exchange rates for ALL foreign currencies on a given date. Croatia is in the eurozone, so every rate is quoted AGAINST THE EURO (units of foreign currency per 1 EUR). Returns rows with valuta (3-letter ISO code), srednji_tecaj (middle/reference rate), kupovni_t…
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).
Cnb is categorized under Finance & Fintech and uses a local stdio subprocess. In contrast, Hnb Hr belongs to Finance & Fintech using local stdio subprocess. Select Cnb when you need capabilities focused on finance & fintech and Hnb Hr when you require tools for finance & fintech.
HNB exchange rate for ONE foreign currency vs EUR (Croatia is in the eurozone). Pass the 3-letter ISO currency code (e.g. "USD", "GBP", "CHF"). Three modes: omit dates for the latest rate; pass `date` for a single historical date; pass `start_date`+`end_date` for a daily time series over that windo…