Finance & Commerce MCP Servers for Grok Build

Finds the tax years, statutory limits, filing thresholds, rates and deadlines hardcoded in payroll a

Policy-checked Solana wallet actions with user-set limits, unsigned transactions, and receipts.

MCP server for the Xahau network — offline Hook WASM VM + static analyzer, read-only ledger tools.

XRPL data tools for AI agents: wallet classifier, signals, RWA tracker, ETF flows. Pay via x402.

US sales/use tax, nexus thresholds, capital gains and 1099-DA tools for AI agent transactions.

Base token safety checks (honeypot test, liquidity, new launches), paid per call in USDC via x402.

Free proof-of-existence attestation for digital files, MCP tools for the imgauth service.

DATEV & Fortnox export for German invoices - Bauhaus, OBI, receipts to DATEV CSV

Safety-first EVM and Bitcoin RPC tools for balances, contracts, blocks, and transactions

Mint and trade ClawPhunks NFTs - 10k pixel punks for AI agents. x402 payment, ethscriptions on L1.

AI agent access to Asian crypto markets. Korean exchange routing and x402 paid APIs.

MCP server for Etherscan — Ethereum blockchain explorer API for AI assistants

Get stock data, screen stocks, track crypto prices, and monitor exchange rates

Financial reasoning infrastructure for AI agents: typed models, deterministic compilation, receipts

Stablecoin payments, swaps, stock orders, market data, travel booking, yield and card controls.

Validates and normalizes Japanese corporate numbers and invoice registration numbers (format only).

Research tokenized real-world assets on Solana: issuer controls, supply, liquidity, premiums

Operate a self-hosted Solana whale tracker and copy-trading deck: positions, rules, token checks.

UK mortgage calculators: stamp duty, MCOB 3A HNW qualification, and bridging loan cost.

11 tools: crypto signals, sentiment, macro regime, arena, search, exec. x402 pay-per-call.

Free keyless dealer gamma, OI change, market calendar, 13F, congress and CFTC data, dated, cited.