Finance & Commerce MCP Servers for Claude Desktop

SEFAZ PE: Active Debt, official-source lookup. Platform-hosted, pay per query with prepaid credit.

SEFAZ PI: request Negative Certificate of Active Debt (CNDA), official-source lookup. Platform-hosted, pay per query.

SEFAZ PR: CADIN, official-source lookup. Platform-hosted, pay per query with prepaid credit.

SEFAZ PR DEC: Caixa Postal, official-source lookup. Platform-hosted, pay per query with prepaid cred

SEFAZ RO: Clearance Certificate (Debts), official-source lookup. Platform-hosted, pay per query with prepaid credit.

SEFAZ RS: CADIN e CFIL, official-source lookup. Platform-hosted, pay per query with prepaid credit.

SEFAZ SPU issues federal property certificates from official sources; platform-hosted, pay per query with prepaid credit.

SEFAZ TO: NFC-e, official-source lookup. Platform-hosted, pay per query with prepaid credit.

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

Consult State Registration by CNPJ in SINTEGRA, with registration status and address.

Verify Polish companies by NIP/KRS/REGON + EU VAT (VIES). 14 MCP tools (9 no-key).

Solana MCP developer toolkit: wallets, trades, markets, PnL, transfers, onchain, swaps & API tools.

Solana RPC (keyless)

Solana token due-diligence: 3-source fused risk verdict incl. LP-lock depth. $0.01 via x402.

Sperax Protocol MCP – USDs stablecoin, SPA, veSPA governance & Demeter DeFi on Arbitrum

Audit a pasted SaaS subscription list for redundant-category overlap and overspend.

Real-time stock quotes, company info, historical prices, and market movers.

Percentile fingerprints, curated peers, theme clusters & market-stress context for US stocks.

US stocks and options data via SQL: bars, ticks, greeks, fundamentals, filings. No key.

French tax calculation (IR, IFI, PER, capital gains) and retirement — 32 schemes, sourced and dated.

Data-economy news: markets, alt data, AI training data, licensing, deals. Agents can contribute.