"Nexus Mods" matching MCP connectors:

Ariadne Nexus Quantitative EngineB

com.ariadnenexus

Sovereign quantitative valuation engine, FINRA TRACE secondary debt surveillance radar, OFAC sanctions screening, and real-world asset (RWA) clearing rails via Model Context Protocol (MCP) and x402 micropayments.

Query 38 empirical AI market charts, evaluate distribution defensibility, and search 3,650+ VCs.

Which US states must a remote seller register in for sales tax? Every state's nexus rule. Sourced.

VAT registration, US sales-tax nexus and filing calendars for cross-border sellers

Audits NEXUS's own x402 payment logs against its own delivery logs and issues a signed proof-of-deli

Bulk US sales tax economic nexus checks every state's rule, billed per check via Apify.

taxlocusOAuth

com.taxlocus

US sales tax for AI agents: rates, economic nexus, taxability, filing. Citation-backed.

Access Avalara AvaTax API for tax calculation, transactions, nexus management, and compliance

Finance research agent for thesis, trade note, and market-state review.