3827 Model Context Protocol servers — searchable, rated, ready to install.
Test any x402 paid URL without paying: 402, PAYMENT-REQUIRED, USDC, amounts, payTo, EIP-712, CORS.
x402 pay-per-call Solana data + crypto market + JWT/unit utils for AI agents.
Query, edit, and reconcile a hosted Beancount ledger: BQL, reports, files, and bank imports.
UPI ID OSINT - Phone to VPAs + Bank Names India | Bulk
Validate, generate and read German e-invoices (XRechnung, ZUGFeRD) against the official KoSIT rules.
Pay OpenRouter and Coinbase payment links with USDC, USDT, ETH, BNB, POL, SOL or BTC Lightning.
Search Japanese corporations and verify invoice numbers using official National Tax Agency data.
Free reports, EVM/Solana token payment links and capped zero-fee EVM USDC escrow. Wallet signatures.
Polish registers: KRS, VAT, bank checks, parcels, geocoding, property prices (RCN), optional REGON.
Plan swaps of Coinbase tokenized stocks and TokenizedBlock blocks on Base; your wallet signs.
Compliance, risk, tax and audit checks for AI trading agents: pre-trade, sizing, wash sales, Reg BI.
Bitcoin blockchain data: latest block height, block info, address info, and mempool fee...
Crypto prices from WhiteBIT. No key required.
Manage GoCardless payments, mandates, subscriptions, refunds and payouts via AI assistants.
World Bank indicators, countries, and EIA energy series.
Russian central bank daily rates. No key required.
Publish approved free listings and preview optional bids. No payments.
x402-paid data for agents: tokenized stocks on Base, Solana token verdicts, AI-progress readings
AgentBadge MCP — agent-readiness scan, passport, discovery, marketplace and circle-payments tools
271 x402 agent APIs: research, law, medicine, science, finance, public data, security and crypto.
Look up protein structures and search the RCSB Protein Data Bank. No key required.
Look up ISO 20022 messages, bank transaction codes, legacy MT replacements, schemes and code sets.
Text-to-speech API: neural voices, pay-per-credit in Bitcoin sats via BTCPay.
Crypto market state, 44 assets: 4 states x 10 timeframes. Recorded, never recomputed, verifiable.
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