Ariadne Nexus — Quantitative Fixed-Income, OFAC Sanctions & SEC Forensic MCP Server

Institutional Model Context Protocol (MCP) server for 9-digit CUSIP corporate & Treasury bond valuation, FINRA TRACE secondary debt spreads, multi-bond portfolio VaR/CVaR stress testing, OFAC SDN & 31 CFR Part 501 safe-harbor closing certificates, and SEC XBRL forensic accounting & Form TCR whistleblower workpapers.

• Interactive Conversion Hub & 1-Click Cursor / VS Code Install: https://ariadnenexus.com/docs/mcp
• Flagship Remote Streamable HTTP (11 tools): https://ariadnenexus.com/mcp —
• Persona-Focused Sub-Servers (6 tools each):
  • Fixed-Income & TRACE (#1 on cusip globally): https://ariadnenexus.com/mcp/cusip-bond-trace-finance —
  • OFAC Sanctions & Escrow (#1 on ofac & escrow globally): https://ariadnenexus.com/mcp/ofac-sanctions-escrow —
  • SEC XBRL Forensics & Whistleblower (#1 on whistleblower globally): https://ariadnenexus.com/mcp/sec-forensics-whistleblower —

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Quick Connect

Option 1: Direct Remote Streamable HTTP (Recommended — Zero Install)

claude mcp add --transport http ariadne-nexus https://ariadnenexus.com/mcp

Or add to .cursor/mcp.json / claude_desktop_config.json:

{
  "mcpServers": {
    "ariadne-nexus": {
      "url": "https://ariadnenexus.com/mcp",
      "headers": {
        "X-Nexus-API-Key": "nexus_live_..."
      }
    }
  }
}

Option 2: Local Stdio Bridge (npx or Docker)

{
  "mcpServers": {
    "ariadne-nexus": {
      "command": "npx",
      "args": ["-y", "github:dotlink-ops/ariadne-nexus-mcp"],
      "env": {
        "NEXUS_API_KEY": "nexus_live_..."
      }
    }
  }
}

To bind a specific vertical sub-server over stdio, pass --vertical=cusip-bond-trace-finance, --vertical=ofac-sanctions-escrow, or --vertical=sec-forensics-whistleblower.

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Available Tools (11 Total)

Tool	Cost	Summary
calculate_clearing_fee	Free	Institutional RWA & sovereign debt clearing fee calculator
provision_agent_key	Free	Mints live Stripe Checkout links ($10/mo EVAL_PASS or persona SKUs) in chat
redeem_checkout_session	Free	Redeems a paid cs_... session ID into a live nexus_live_... API key in chat
get_cusip_valuation	$0.50 / API key	9-digit CUSIP YTM, modified/Macaulay duration, convexity, DV01, Treasury OAS
get_debt_radar	$0.50 / API key	FINRA TRACE secondary bond spreads, Altman Z-Score, zero-cost equity collars
run_portfolio_stress_test	$0.50 / API key	Multi-bond parallel/steepener/credit-widening shock VaR & CVaR studio
screen_ofac_entity	$0.50 / API key	Zero-trust OFAC SDN & Consolidated counterparty fuzzy/LEI screening + Merkle proof
issue_safe_harbor_certificate	$95 / API key	31 CFR Part 501 Cloud KMS-signed closing safe-harbor certificate (HUD-1 Line 1109 pass-through)
generate_sec_tcr_bounty_dossier	$295 / API key	Beneish M-Score & SEC Form TCR whistleblower forensic XBRL workpaper
synthesize_regulatory_docket	$0.50 / API key	APA 5 U.S.C. § 553 federal rulemaking economic impact & comment letter
get_sovereign_policy_brief	$0.50 / API key	Weekly Fed, U.S. Treasury, FinCEN & SEC policy shock brief

Zero Cold-Start Friction: Unauthenticated calls to paid tools return a Redacted Proof-of-Value Teaser plus a 1-click $10/mo Builder Pass (EVAL_PASS, 250 calls/mo) checkout link. After payment, call redeem_checkout_session directly inside chat to claim your live nexus_live_... key immediately.

License

MIT © Ariadne Nexus