feat: add DPX institutional cross-border settlement MCP server

[untitledfinancial]

Summary

Adds DPX to the official MCP registry — an institutional cross-border settlement rail for any currency pair, running on Base mainnet.

Server: io.github.untitledfinancial/dpx
Remote endpoint: https://mcp.untitledfinancial.com/mcp (HTTP transport)
npm package: @untitledfinancial/dpx-mcp v2.2.0

11 tools

• get_manifest — protocol capabilities and contract addresses
• • get_quote — binding fee quote with 300s TTL
• • get_esg_score — live ESG score for a wallet address
• • get_reliability — oracle stability signal
• • get_oracle_status — full 9-layer oracle output
• • get_fee_schedule — complete fee table with volume tiers
• • verify_fees — confirm off-chain quote matches on-chain router
• • compare_to_competitors — DPX vs SWIFT/Stripe/Wise/PayPal
• • get_analytics — live protocol health metrics
• • settle — execute cross-border settlement (sandbox=true by default)
• • get_settlement_status — look up settlement audit record

Checklist

• Remote HTTP endpoint responding at https://mcp.untitledfinancial.com/mcp
• - [x] npm package published: @untitledfinancial/dpx-mcp
• - [x] server.json validates against the registry schema
• - [x] Namespace matches GitHub org: github.com/untitledfinancial