Finance & Commerce MCP Servers for Grok Build

Provides access to Avalara Global Returns API for tax returns, filing calendars, and compliance data

Working capital for autonomous AI agents — USDC advances against verified job receivables on Arc.

Commission/slippage sensitivity sweep, breakeven cost finder, and lookahead-bias checklist.

Balance sheets and income statements of Brazilian companies by CNPJ (Brazilian tax ID).

Brazilian Open Finance MCP — 30+ banks (Itaú, Nubank, etc.) to Claude/Cursor. Read-only.

Bank Code Lookup: the site's own MCP server — dataset, enquiry (enquiry = a human handoff, not a...

Bank Convert: the site's own MCP server — compare, enquiry (enquiry = a human handoff, not a...

Read-only access to your bank balances and transactions in Germany and the EU. Free trial.

Read-only on-chain intelligence for AI agents on Base: balances, tokens, gas, tx status.

Base mainnet analysis: contract audits, transfer simulation, token pricing. Paid via x402.

Decode any Base tx: plain English, strict JSON, risk flags, no LLM. 50 free/day per IP, then $0.02.

Source-verified crypto news, live prices, whale transfers, token safety checks and the Daily Brief.

Crypto market data, 200 indicators, order flow and a chart link. No account, no API key.

Read and update hosted Beancount books over OAuth. No CLI access token.

Polymarket market data, live CLOB books, replay, simulation, and opt-in trading in Rust.

Accounting for Austria: Reading and suggesting entries, receipts, invoices, bank statements and VAT returns.

Live Kalshi + Polymarket prediction-market data and cross-venue arbitrage spreads, one schema.

Identifies the ultimate beneficial owner of a company or person from the CNPJ or CPF, for compliance.

Live Robinhood Chain tape, copy desks, and a target book. Talon never signs.

Paid token risk and security intelligence for AI agents over MCP with x402 payments.

Household finance planner: cash flow, net worth, bills, debts, goals, retirement.