Finance & Commerce MCP Servers for DeepSeek Harness

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.

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.

Convert currencies on the daily European Central Bank reference rates. No API key, no signup.

Live fees on five chains

Plan a Solana token launch

Wallets, tokens, rug checks

Free TRON utilities: validate addresses, check balances, assess risk, estimate fees.

Browse, verify and buy Twelve Permissions NFTs on XRP Ledger. Every claim is checkable.

UK Integrated Online Tariff from HMRC's trade-tariff service: look up a UK commodity code, its…

Verify Umbra bridge accountability proofs (signed receipts, checkpoints, Merkle inclusion).