Payments & Billing MCP Servers for Windsurf (legacy)

MCP server for the Askell payment and subscription API (Bun + stdio)

Xona Wallet: agent wallet for AI agents. x402 payments, AgenC hires, 20k+ services

Settlement rail native to AI agents — 76 MCP tools for payments, AML screening, FATF R16 compliance, x402 intelligence, ESG scoring, FX

The official MCP Server for the Modern Treasury API

Lets an agent pay for x402 APIs in USDC on Arc, under a spending policy it cannot change.

Check invoice mandatory fields, validate a draft before issuing, and look up EN 16931 code lists.

Meter usage and manage usage-based billing from AI tools via the ClockNext API.

MCP server for PincerPay — on-chain USDC payment gateway for AI agents

Read-only x402 payment diagnostics: diagnose, evidence, explain, recover, resolve, status. Zero deps

Pay-per-call x402 tools on Base: web extract/render, burn-once secret vault, chart, GeoTIFF

MCP server for Interswitch APIs: payments, transfers, Verve cards, airtime, and paycodes.

MCP server that pays x402-gated HTTP endpoints — fetch, and on a 402 authorize, sign, retry

x402 USDC paywall bridge for MCP — pay per tool call on Solana.

> MCP server exposing the Yuno API as Model Context Protocol (MCP) tools

Pay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.

Risk-check counterparties before an AI agent pays; pay x402 resources only after a verified allow

MCP bridge for autonomous x402 payments in HPP USDC.e — discover and pay for services per call.

Fidacy action firewall for AI agents. Mandate-gated payment authorization as an MCP server.

EN 16931: validate invoice data, UBL/CII or PDF; emit XRechnung/Peppol XML, never a PDF.

x402 directory for AI agents: 1,700 pay-per-call APIs, USDC on Base, 5 free trials per wallet.

Generate + XSD-validate ISO 20022 E&I camt messages (camt.056 cancellation, camt.029 resolution).