Payments & Billing
Integration with payment processing and billing platforms. Enables managing transactions, subscriptions, invoices, and payouts through services like Stripe, PayPal, and Square.
MCP ServersBrowse all →
AlicenseAqualityBmaintenanceA locally runnable stdio MCP server for Fortrip hotel search, live room rates, hotel details, trip planning and booking payment links. Uses a Fortrip CLI token or saved CLI login; payments are completed by the user on Fortrip and Stripe.25MIT
PARANOID MCPofficial
AlicenseAqualityBmaintenanceEnables Claude Code, Cursor, or any MCP client to ask open and uncensored AI models questions privately, attaching a fresh zero-knowledge proof to each one so the gateway can verify it was paid for without learning who asked. Also lists models and costs, reports remaining questions, and buys new questions with USDC on Solana via x402.124MIT- AlicenseAqualityBmaintenancealalanet-agent is the open local client of alalanet.com, the free service an AI agent asks before it installs, connects or pays. A stdio MCP server whose key stays on your machine: it signs agent passports, receipts, skill and package releases, mail and memory locally (16 tools) and checks files and agents against alalanet's public transparency log. Hosted checks: https://alalanet.com/mcp.216Apache 2.0

stablevoy-mcpofficial
AlicenseAqualityBmaintenanceEnables AI assistants to create USDT and USDC invoices, retrieve payment links, and check invoice and store payment status across connected payment-gateway stores via the Model Context Protocol.2102,030 npmMIT- AlicenseAqualityBmaintenanceMerchant of record MCP server: create products, payment links, checkouts, subscriptions, invoices and discount codes, with VAT and sales tax handled in 135+ jurisdictions.43112 npm8Apache 2.0
- AlicenseAqualityBmaintenanceEnables MCP clients to discover and call pay-per-call hub agents as individual tools, with per-call USDC spending caps on Base, automatic x402 payment signing, and provenance verification.415816 npmApache 2.0

RevClamp MCP Serverofficial
AlicenseBqualityBmaintenanceConnects MCP-compatible clients and CI pipelines to a hosted endpoint exposing tools for SaaS revenue-leak audits, ghost-usage evaluation, EU VAT validation, B2B net-terms reconciliation, webhook signature verification and replay simulation, dispute-evidence staging/linting, and ROI calculation.29MIT- AlicenseAqualityBmaintenanceEnables coding assistants to install ProAbono in-site by generating integration code prefilled with the user's real configuration, searching documentation, querying the live API, and managing customers and subscriptions.4376 npmMIT

P2Flux MCPofficial
AlicenseAqualityBmaintenanceLet your AI assistant pay for web content in USDC (x402 on Base) within a budget you set. Inside the budget it pays on its own; above it you are asked to confirm. The wallet key stays on your computer. For claude.ai and ChatGPT there is a remote server (https://agent.p2flux.com/mcp) where you approve each payment in your own browser wallet.7103 npmMIT
Fairplug (sandbox)official
AlicenseAqualityCmaintenanceEarly-pilot MCP server. search_offers returns sponsored offers with terms; get_tracked_link returns a tracked link plus a disclosure text the agent must show. Public sandbox uses fictional data: no signup, nothing tracked or paid. Open-book pricing: 10% of validated commissions.2MIT
@referalli/mcpofficial
AlicenseBqualityCmaintenanceEnables MCP clients like Claude and Cursor to read referral and affiliate program data—programs, partners, referrals, fraud cases, and ROI—and, after a two-step preview-and-confirm flow, create partners, links, and coupons, approve or void referrals, and draft payout runs. It runs locally over stdio and connects to Referalli using an API key whose scopes limit what the server can do.2173 npmMIT
Cork MCP Serverofficial
AlicenseAqualityCmaintenanceEnables AI assistants to query Cork's cyber-insurance API for MSPs, including client warranty status, cyber scores, risk/compliance events, software vulnerabilities, integrations, invoices, and installer metadata via MCP tools.23Apache 2.0
BeeL MCP serverofficial
AlicenseAqualityBmaintenanceEnables AI agents to issue, correct, and register legally compliant Spanish electronic invoices with AEAT VeriFactu, supporting F1/F2 types, R1–R5 correctives, and NIF validation from Claude, ChatGPT, Cursor, or VS Code.136504 npm2MIT- AlicenseBqualityBmaintenanceFree, open-source (MIT), local-first Swiss accounting MCP server: an AI agent posts double-entry journal entries, categorises and chases invoices, and prepares the MWST-Abrechnung (the Swiss VAT return), with a minimalist Studio for human oversight. Posted entries are append-only and immutable, corrections are reversing entries, and every query is tenant-scoped.500510 npm2MIT

PayAgents MCP Serverofficial
AlicenseAqualityDmaintenanceEnables AI agents to autonomously make policy-controlled payments for APIs and tools via Bitcoin Lightning (L402) and Base USDC (x402), including paying paywalled endpoints, checking balances, and reviewing transactions.312 npm1MIT- AlicenseAqualityBmaintenanceEnables AI agents to discover and pay for x402-gated HTTP APIs, handling 402 Payment Required flows with local signing. Supports EVM and Solana with non-custodial wallet management.3337 npmMIT

Agoreum MCPofficial
AlicenseAqualityCmaintenanceEnables agents to discover services, place orders and pay for them in USDC held in non-custodial escrow on Base, plus post requests, quote, deliver and settle as a provider. Also verifies signed receipts and keeps the paying key local, enforcing per-order and daily spend limits before anything is signed.1834 npm4Apache 2.0
XPayr MCP Serverofficial
AlicenseAqualityBmaintenanceEnables merchants and AI agents to create and manage non-custodial multi-chain crypto payment sessions, configure webhook endpoints, and enforce spending policies for autonomous agent payments across EVM, TRON, Solana, and Arc networks.21MIT- AlicenseAqualityBmaintenanceEnables AI agents to discover social-media growth services, request quotes, create and pay for orders, track execution, cancel orders, and request refills through MCP tools backed by a provider-neutral gateway.11MIT
- AlicenseAqualityBmaintenanceEnables AI agents to post tasks, manage escrow, approve work, and pay human gig workers on the GetterDone physical-task marketplace.16490 npmMIT

Pletopay MCP Serverofficial
AlicenseBqualityCmaintenanceEnables AI agents to manage payments, virtual accounts, customers, transfers, refunds, settlements, checkout, payment links, invoices, subscriptions, reports, webhooks, and sandbox operations through the API, with built-in safeguards for live money movement.8576 npmMIT
layerone-mcpofficial
AlicenseAqualityDmaintenanceEnables AI agents to generate documents (PDF/DOCX/Factur-X) and manage electronic signatures (eIDAS/PAdES) via natural language using LayerOne's DocX and Sign APIs.2037 npmMIT
Pebbler MCPofficial
AlicenseAqualityCmaintenanceEnables agents to run image A/B preference tests with human participants, retrieve live pricing and availability, create and purchase studies within configured USDC spending limits, and check vote results.750 npmMIT
brasil-mcp-essentialsofficial
AlicenseAqualityCmaintenanceA privacy-first MCP server providing 14 offline Brazilian utilities including document validation, boleto parsing, PIX BR Code generation/parsing, and calendar tools.221MIT
MercanPay MCP Serverofficial
AlicenseAqualityCmaintenanceEnables AI assistants to create, look up, list, and cancel crypto invoices, manage reusable payment links, check USDT and TRX rates, and simulate test payments through a secure API.7MIT
NexaLayer Agentofficial
AlicenseAqualityBmaintenanceNexaLayer MCP Server — a Model Context Protocol server that lets AI agents create and manage dynamic and static proxy sessions with budget guardrails.161MIT
Peer Cash MCPofficial
AlicenseAqualityFmaintenancePrepare custody-separated Base USDC cash-out plans, list supported fiat rails, and track settlement state through Peer Cash.978 npmMIT
tabula-mcpofficial
AlicenseAqualityCmaintenanceEnables AI agents on Robinhood Chain and Base to pay x402 sellers from a credit line, inspect credit status, list sellers, repay loans, raise limits, and manage sub-agent budgets through MCP tools.31,333 npmMIT
SignalEDI MCP Serverofficial
AlicenseAqualityBmaintenanceEnables AI assistants to parse, validate, send, and inspect X12 EDI documents via the SignalEDI Core API, with optional QuickBooks integration and a demo mode for keyless local testing.762 npmMIT- AlicenseAqualityBmaintenanceLets MCP-capable AI assistants interact with the Clockbook freelance marketplace through GraphQL, covering talent search, job postings, proposals, contracts, milestones and escrow, wallet, messaging, and notifications.2320 npmMIT
MCP ConnectorsBrowse all →
Ask Deal.ai's shopping agent, compare every US store's price, check a deal and watch prices.
Review AurasPay merchant payments and prepare payment links with scoped OAuth and human approval.
Search hotels worldwide, compare live room rates and cancellation terms, and create unpaid booking payment links. Requires a Fortrip account with OAuth sign-in; users complete payment on Fortrip, and the connector never collects card details.
Spend USDC in the real world: prepaid cards, gift cards, push-to-card, and bank payouts.
360 pay-per-call APIs for AI agents over x402 and MPP, settled in USDC on Base ($0.001-$0.25 a call, no account or API key). DeFi yields and market data, 10-chain wallet reads, wallet and token risk signals, sanctions screening, SEC financials, email/domain and web intelligence, AI text extraction, and signed proofs. Every answer names its sources and carries an evidence hash; a paid call that is not delivered is credited back. Built and run by UnyKorn LLC.
Search, negotiate and buy resource access with x402 test USDC on Ethereum Sepolia.
Check before your agent installs, connects or pays. install_check: before installing an npm or PyPI package, a GitHub repo, a skill, an editor extension or an MCP server, it answers allow / hold / block (known malicious packages from OSV, typosquats of official MCP servers, names that do not exist, install scripts, maintainer changes). check_repo_config: before opening a repository someone sent you, it reads its agent configuration (MCP servers, hooks, editor tasks, instruction files) and runs nothing. check_service and verify_tools: live status of any MCP server or x402 endpoint, real price and payTo vs the catalogue listing, OFAC and stablecoin-freeze screening, tool-set changes, an open Trust Score. find_service finds working services. preflight_payment decides allow / hold / block right before an x402 payment is signed; payment_status prevents paying twice; report_purchase records what a paid call delivered. Verdicts are signed into a public transparency log. Free, no account. Every other tool (evidence packs, agent identities, boards, mail) is at https://alalanet.com/mcp/full; install and MCP-server checks alone are at https://alalanet.com/mcp/guard. Claude Code plugin: alalanet-guard.
Find, price and license fonts from foundries; agents pay per licence in USDC via x402 on Base.
Pay-per-call AI micro-tasks for agents. 20 tasks - summarize, code review, JSON, media - from $0.003 USDC on Base. x402 v2. Free discovery tools: list_tasks, price_task, check_health.
Processor fees, charge-to-net, invoice totals and proration. 3 of 6 tools free.
Match bank receipts and payments to invoices with confidence, deductions and exceptions.
Lets AI agents buy from physical businesses: find, order, pay, and collect in person with a QR.
Sealgraf checks agent purchases against the owner's limits and seals a receipt anyone can check.
Webhook inbox, memory, wake-up calls, uptime watch and code kits for AI agents. Prepaid balance.
Governed commitment lifecycle and rail-agnostic settlement layer for agent-to-agent commerce.
Periodontal diagnosis (2017 AAP/EFP staging, grading, ICD-10-CM) and sourced dental implant specs. search_implants is free; other tools are paid per call in USDC via x402.
Query web traffic and revenue attribution analytics with Google and Stripe integrations
Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call.
Auto-renewal law checks (ROSCA, click-to-cancel) for Stripe Checkout, cancellation, renewal emails
Swedish bookkeeping for small businesses: ledger, invoices, VAT, payroll. Same tools as REST API.