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OSINTMCP serverFirst audited Nov 13, 2026

Ariadne Nexus OFAC Sanctions & Escrow Safe-Harbor Oracle

OFAC SDN sanctions screening with SHA-256 Merkle proofs and 31 CFR 501 escrow closing certificates.The vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026
  • Warning: The server only speaks the first MCP version (2024-11-05).

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 198 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
No, read-onlyAll 6 tools say they only read.
Endpointhttps://ariadnenexus.com/mcp/ofac-sanctions-escrow

Source code Website Streamable HTTP · protocol 2024-11-05 · server version 1.3.2

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Passed: Every tool says whether it only reads or can change things.

Tools

  • Passed: 6 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Warning: The server only speaks the first MCP version (2024-11-05).

    Newer versions (latest 2025-11-25) add tool safety labels, structured output and a safer authorization model.

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (6)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • screen_ofac_entityScreens a corporate entity or individual counterparty against the U.S. Treasury OFAC Specially Designated Nationals (SDN) and consolidated sanctions registries using exact identifier matching (LEI/CI…Read-only
  • calculate_clearing_feeCalculates institutional RWA clearing house take-rates (in basis points and USD), cross-chain settlement bridge tolls, platform SaaS subscription fees, and net annual clearing cost projections across…Read-only
  • get_sovereign_policy_briefGenerates the Weekly Sovereign Macro-Prudential & Sanctions Monitor for Federal Reserve (FOMC / Financial Stability), U.S. Treasury (OFR / OFAC / FinCEN), and SEC DERA policy desks, combining Dual-Tr…Read-only
  • provision_agent_keyReturns pricing specifications, monthly query quotas, rate limits (RPM), 1-click Stripe Checkout links (starting at $10/mo MCP Builder Pass up to $9,500/yr FAR 13.2 GPC & Unlimited Closing Blanket li…Read-only
  • redeem_checkout_sessionVerifies a completed Stripe Checkout session (`cs_...`) directly against Ariadne Nexus billing and deterministically returns the buyer’s live HMAC-signed `nexus_live_...` API key, monthly quota, and…Read-only
  • issue_safe_harbor_certificateIssues a KMS-attested Statutory Closing Safe-Harbor Certificate combining OFAC SDN Jaro-Winkler/LEI Merkle proof screening, multi-factor hedonic collateral fair-value attestation, and HUD-1 Line 1109…Read-only

Audit history

  1. Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200198 ms
initializedHTTP 20265 ms
tools/listHTTP 200295 ms
resources/listHTTP 20051 ms
prompts/listHTTP 20033 ms
unknown-methodHTTP 200100 ms

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