MCP Servers
Model Context Protocol servers that connect Claude to tools, APIs, and data.
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Satring MCP
Discover and compare L402 + x402 paid API services from satring.com
Wallet Doctor
Solana wallet forensics SDK, x402 pay-per-call, AI agents.
Sentinel Payment Boundary Tools
Read-only payment-boundary preflights plus an unsubmitted public quote-request draft tool.
devdrops-property
UK property MCP: Land Registry prices, company charges, House Price Index. x402 USDC on Base.
agirails-mcp-server
Payment rails for AI agents — escrow, settlement, discovery, and disputes from any context window.
RillCoin
AI agent wallets, Proof of Conduct reputation, and concentration decay on L1
sygnldata — market intelligence for trading agents
Market regime, execution-cost, bar-QC and backtest-audit tools for agents. Pay per call via x402.
mcp-mercado-pago
Mercado Pago — payments, checkout, PIX, refunds for LATAM
Unit Converter API
Unit conversion — length, weight, temperature, volume, speed, data. x402 micropayment.
SEO Page Analyzer
SEO audit any URL: meta tags, headings, links, images, Schema.org, score 0-100. x402.
run.pay
Stripe-native marketplace where AI agents discover and pay per call for API services.
GASTOR-Motherboard
Showcase validator orchestrating multi-agent swarm governance and payments.
ALT eSIM
Search & buy travel data eSIMs for 70+ destinations — pay by Stripe link, get the eSIM QR. USD.
Research Report API
Multi-source research report generator with web fetching. x402 micropayment.
predictionguard
Polymarket integrity MCP — 28 tools for wallet risk, whales, UMA scans, SAR/STR reports.
scry-mcp
Keyless MCP bridge to Scry Solana wallet intel: free coverage check, catalog, x402 paid endpoints.
braintree
Search Braintree transactions, customers and payment methods, and refund or void charges.
stablecoin-yield
Barker: real-time stablecoin yield index + AI advisor + non-custodial deposit/redeem (x402 paid).
Chairman Sovereign's 14-Floor Data Hotel
113 MCP tools: oracle, escrow, compliance, remittance, AI. 12 free tools, PAYG $0.001/call.
three.ws Intel
Coin smart-money scores, wallet reputation, signal feeds, and KOL leaderboards.
Guatemala Payments (Recurrente — cards (Recurrente))
Guatemala payments for AI agents — cards (Recurrente) via Recurrente. Never holds funds.
debtfree
Debt payoff calculator: snowball vs avalanche, minimum payment trap, extra-payment impact.
SOMA Brewing Company
India's first non-alcoholic craft brewery: catalog, nutrition, wallet, checkout links for AI agents.
Latvia Payments (Stripe — cards / Apple Pay)
Latvia payments for AI agents — cards / Apple Pay via Stripe. Never holds funds.