MCP 服务器

Nexus Finance

AI workbench for financial contract analysis, risk analytics (VaR/CVaR, RWA Basel III), regulatory compliance (EMIR, REMIT, MiFID II, CBAM, EUDR) and counterparty due diligence (KYB/UBO, OFAC, IMO). Zero Retention. 8 MCP tools.

README

@nexus-finance/mcp

MCP server for the Nexus Finance API v1 — connect Claude Desktop, Claude Code, Cursor or any MCP-compatible client to financial contract analysis, risk analytics, market quotes and compliance case management.

What is this? Connect your Claude to Nexus Finance in 30 seconds. From that point, Claude can invoke contract audits, VaR/CVaR calculations, Basel III RWA, live market quotes, OFAC screening and compliance case management without leaving the conversation.

Quick install

1. Get an API key

2. Configure your client

Claude Desktop (macOS / Windows)

Edit ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):

{
  "mcpServers": {
    "nexus-finance": {
      "command": "npx",
      "args": ["-y", "@nexus-finance/mcp"],
      "env": {
        "NEXUS_FINANCE_API_KEY": "nf_YOUR_KEY_HERE"
      }
    }
  }
}

Restart Claude Desktop. You'll see a 🔌 icon in the chat with the 8 Nexus Finance tools available.

Claude Code (CLI)

claude mcp add nexus-finance -- npx -y @nexus-finance/mcp
# Then set your key:
export NEXUS_FINANCE_API_KEY=nf_YOUR_KEY_HERE

Cursor

Edit ~/.cursor/mcp.json:

{
  "mcpServers": {
    "nexus-finance": {
      "command": "npx",
      "args": ["-y", "@nexus-finance/mcp"],
      "env": {
        "NEXUS_FINANCE_API_KEY": "nf_YOUR_KEY_HERE"
      }
    }
  }
}

3. Try it

In Claude Desktop, type:

Audit this contract with Nexus Finance and flag any high-risk clauses: «[paste contract text here]»

Claude will automatically call nexus_analyze and return a full risk assessment with severity-rated findings.

The 8 tools

Tool	Description	Typical cost
`nexus_analyze`	Contract audit, commodity briefing, playbook or CCC compliance review. Zero Retention.	1–3 credits
`nexus_var_calculator`	Parametric VaR / CVaR at 90/95/99% confidence + 5-scenario stress test + VaR matrix	1 credit
`nexus_rwa_calculator`	Basel III Standardized Approach RWA across all asset classes + capital adequacy check	1 credit
`nexus_market_quote`	Real-time equity, FX or commodity quote (Alpha Vantage, 15-min cache)	Free
`nexus_bulk_quotes`	Up to 10 quotes in one call	Free
`nexus_list_cases`	List compliance cases (paginated, filterable by status)	Free
`nexus_get_case`	Full case detail with findings and counterparties	Free
`nexus_create_case`	Create a new compliance case	Free

Environment variables

Variable	Required	Description
`NEXUS_FINANCE_API_KEY`	✅ Yes	API key starting with `nf_`
`NEXUS_FINANCE_BASE_URL`	❌ No	Override API base URL (default: `https://app.nexusquantum.finance`)

What Nexus Finance covers

Contract Intelligence — audit, redlining, AI drafting, obligation extraction, clause benchmark, RAG chat
Regulatory Compliance — EMIR/REMIT XML, CBAM, EUDR, CSDDD, MiFID II alerts, CCC v4.2
Risk Analytics — VaR/CVaR, RWA Basel III, stress tests, TBML watchdog, dynamic risk matrix
Counterparty Due Diligence — KYB/UBO graph (GLEIF + OpenCorporates), OFAC screening, vessel IMO screening
Case Management — 4-eyes workflow, multi-tenancy, audit export, rules engine

All analysis is Zero Retention — document text is never stored, logged or persisted.