In-depth architectural comparison of the Stillos Notary and Hera Agent Unity 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
Stillos Notary
Finance & Fintech · Local stdio
Quality: 52/100 (Good) | Auth: No auth required
Hera Agent Unity
Finance & Fintech · Local stdio
Quality: 47/100 (Fair) | Auth: No auth required
Verdict Summary: Choose Stillos Notary if you need specialized Finance & Fintech tools running via a local process. Choose Hera Agent Unity 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?
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Choose Stillos Notary 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).
commit any claim string to a tamper-evident, Ed25519-signed receipt. $0.10 USDC on Base.
notary_claim_verdict
signed verdict on a claim, resolved against a named external ground-truth source. Launch price $0.05 USDC on Base through 2026-10-13.
notary_screen_entity
OFAC SDN sanctions name screen, signed receipt, freshness timestamp. $0.001 USDC on Base.
notary_distress_score
validated corporate distress-foresight score (Altman Z-score from live SEC XBRL). Backtested 71% sensitivity / 100% specificity / ~109-day median lead on real Chapter 11 filings. $0.15 USDC on Base.
Hera Agent Unity Tools (0)
No explicit tool names declared in metadata yet. Check project README on main listing page.
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).
Stillos Notary is categorized under Finance & Fintech and uses a local stdio subprocess. In contrast, Hera Agent Unity belongs to Finance & Fintech using local stdio subprocess. Select Stillos Notary when you need capabilities focused on finance & fintech and Hera Agent Unity when you require tools for finance & fintech.