In-depth architectural comparison of the Catalog and Hledger 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
Catalog
Finance & Fintech · Remote HTTP/SSE
Quality: 45/100 (Fair) | Auth: No auth required
Hledger MCP
Finance & Fintech · Local stdio
Quality: 59/100 (Good) | Auth: No auth required
Verdict Summary: Choose Catalog if you need specialized Finance & Fintech tools running via a hosted cloud SSE transport. Choose Hledger MCP 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 Catalog when:
You need dedicated capabilities in the Finance & Fintech domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Read-only catalog of Russian MFOs: loan terms, Bank of Russia registry data, ratings, reviews.
Double entry plain text accounting, right in your LLM! This MCP enables comprehensive read, and (optional) write access to your local HLedger accounting journals.
All MFOs with borrower rating, quick terms and canonical card URLs, ordered by rating position.
get_mfo
Full MFO card: terms for new/repeat clients (amount, term, rate, full cost of credit), borrower requirements, fees, legal entity, OGRN, Bank of Russia registry number, 4-criteria rating, record update date. Empty fields are omitted.
Catalog is categorized under Finance & Fintech and uses a remote streaming HTTP/SSE transport. In contrast, Hledger MCP belongs to Finance & Fintech using local stdio subprocess. Select Catalog when you need capabilities focused on finance & fintech and Hledger MCP when you require tools for finance & fintech.
Latest borrower reviews for an MFO: rating, date, text.
get_market_rules
Legal context of microlending in Russia (0.8%/day rate cap under Art. 6.1 of Law 353-FZ, 100% total-cost cap since 2026-04-01, self-ban via Gosuslugi, cooling-off periods, debt collection rules under Law 230-FZ) with last-review date.