Payments

U.CASH Pay merchant MCP: create checkouts, verify webhooks, read settings. Non-custodial.

MCP server for Xero accounting — contacts, invoices, payments, accounts, and financial reports.

MCP server for Alternative Payments — customers, invoices, payment requests, payouts, webhooks.

Non-custodial HTTP-402 crypto payments for AI agents. 84-tool MCP server.

Your agent opens a real merchant account (go_live) and takes payments the same day. 3.9% flat.

Give any AI agent instant payment capabilities via x402 protocol on Solana

Read-only payment-boundary preflights plus an unsubmitted public quote-request draft tool.

AI image upscaling — upscale any image to 2x or 4x resolution with x402 payments

MCP server for no-payment x402 surface triage, 402 Index health checks, and paid review handoff.

Wraps the fpp CLI as a single generic MCP tool for freelancer client payment-risk checks.

Discover, quote, verify & self-check 56 x402 pay-per-call finance/tax calculators for AI agents.

Crypto market intelligence MCP — pay-per-tool-call in USDC on Base via the x402 protocol.

MCP server for Ryvo Gateway x402, Helius Wallet, and Tokens API market data.

Security guardrails for AI agent payments

Agent wallet and budget management for AI agents

Crypto signals, Kalshi prediction markets, wallet AML. x402 USDC on Base.

Verifiable, hash-chained event provenance for autonomous systems. Local-first, MIT. 5 MCP tools.

8,000+ pay-per-call APIs via x402 USDC micropayments on Base. No API keys needed.

Human-curated crypto market intelligence with x402 payments. Weekly signals and analysis.

Open-source EIP-2612 Permit-based wallet sessions for AI agents using MCP.