Who Builds Agents

Payments and billing MCP servers

1,116 companies publish 1,794 MCP servers for payments, checkout, billing and invoicing. wishpool.app, A2AWire and lhr.life ship the most.

Ranked by servers shipped, top 100

  1. 1wishpool.appwishpool.app125
  2. 2A2AWireOpen jobs, escrowed prizes, and a practice zone that is never counted as live work.120
  3. 3lhr.lifelhr.life82
  4. 4YourAITools369 AI tools and APIs you pay per call in USDC over x402: paid straight to builders, no signup, public numbers, never ranked by payment.24
  5. 5mcpscores.commcpscores.com23
  6. 6SCRIPTMASTERLABSService-disabled veteran-owned lab: x402 pay-per-call agent APIs, signed five-juror Jev verdicts and field guides. Verify first, pay per accepted call.21
  7. 7agentutilityPaid x402 endpoints organized into product clusters. USDC-settled on Base. MCP-callable. ERC-8004 identity registry agentId 47167.17
  8. 8Run402Open-source backend infrastructure for AI agents: Postgres, auth, storage, functions and staged deploys via CLI, with SDK scripting and MCP tools. Paid with x402 (USDC on Base) or MPP (pathUSD on Tempo, or sats over Bitcoin Lightning). No signups.14
  9. 9AI Tools ComparedHead-to-head AI tool comparisons. Real benchmarks, no affiliate bias. 18 tools, 42 tasks, measured results.13
  10. 10CotletSign in to apps with no API or MCP in your own cloud browser. Claude Code, Codex or Cursor then does the work in them over MCP.12
  11. 11fetcher.shWeb-data API: 111 endpoints across 11 services. No account, no OAuth, no subscription — pay per call or prepaid credits.12
  12. 12Tim ZininYour business still runs on human effort. AI agents don't sleep. From $600/hr.12
  13. 13KlistenAIKlistenAI builds tools for AI agent and MCP teams. Explore ToolGuard policy checks, public examples, API documentation, pricing and current product availability.11
  14. 14Felipe RohneltSistemas de ponta a ponta para operações reais, com entregas em produção e status verificável.9
  15. 15Welcome to nip.io / sslip.ionip.io / sslip.io9
  16. 16Air BlockA Busan founder, building in Dubai. AI-powered finance, market & lifestyle mobile apps that make complex data clear to everyone.8
  17. 17HumanMirrorHumanMirror est le control plane des agents autonomes : décision avant action, preuve après exécution, routage machine et gouvernance de flotte.8
  18. 18ChargezenChargezen is the revenue platform brands run on: AI agents for every chat, call and email, text and email marketing, upsells, creators and subscriptions.6
  19. 19Forever WorksEvery change shows its plan before it runs, risky ones wait for sign-off, and any of them can be rolled back. Built for a tier-1 bank and a media-tech company.6
  20. 20JithoxJithox ontwerpt en bouwt AI-assistenten en AI-teams rond het werk van jouw bedrijf. Van een concrete werkvraag tot een samen geteste toepassing.6
  21. 21x402 Supply16 pay-per-call HTTP and MCP tools for AI agents. Pay in USDC on Base via x402. No accounts, no API keys.6
  22. 22Black Label BotsPick the job. Choose Mac or Windows. Put the right tool to work.5
  23. 23Boris IncAegis trust hub (we BUY from sellers to verify them), agent memory, live game data, LLM tools — all agent-payable via x402. No accounts, no API keys.5
  24. 24KanekyKaneky — a private workspace.5
  25. 25Macaroon NetworkDiscover and buy live data and scientific capabilities with predicate-gated settlement.5
  26. 26Mart402Pay-per-call APIs for AI agents in three lines: documents and web (URL to Markdown, PDF parsing and hallucination-guarded OCR, invoice verification, company enrichment), Japan statutory calculations (payroll, social insurance, tax - deterministic, primary-source cited) and calibrated vision (meal n…5
  27. 27VirohanaSovereign, humanity-first AI. We build AI systems that work for your life — not for the platforms watching it.5
  28. 28AgentToolWorksTools your agents can trust, billed by the call.4
  29. 29B2B Lead Generation Servicesduoleads.com4
  30. 30FlowieAutonomous AI agents run Finance and Procurement end to end — on top of every ERP, compliant by design in every country you operate. A Sovos company.4
  31. 31Hogar MasCompara precios mayoristas del mismo producto en Chile. Explora alimentos, bebidas, limpieza, higiene, bebés, mascotas y hogar con cantidades y entrega claras.4
  32. 32HoneycheckFree honeypot and tax checker for tokens on Arc. Paste a token and see what a brand-new wallet gets back when it sells.4
  33. 33NordicMCPConnect your AI assistants to real-world APIs. Browse ready-made MCP integrations — Weather, Google Mail, Fortnox and Stripe, with more on the way — add your API keys, and get unique endpoints in minutes.4
  34. 34PayStagePreflight checks for x402, MCP, and HIP-3 trades. Decide pay, review, or do not pay before an agent moves money. Tools #1, #2, #3, and Velocity available now, plus a hosted pay-per-call API on Base mainnet and Base Sepolia.4
  35. 35Professor SausagesProfessor Sausages4
  36. 3647620Pay-per-call Solana data for agents via x402. Non-custodial, USDC on Solana, no API keys.3
  37. 37ACJ LabsACJ Labs builds products and infrastructure for agentic commerce — focused, inspectable tools for catalog data, tax-aware receipts, and more. Free tier, no card.3
  38. 38Agentic ShelfLive MCP tools, multi-platform commerce adapters (Shopify, WooCommerce, roadmap), Stripe ACP and x402-ready API signals, audits, and discovery. Free Streamlit audit app + merchant console.3
  39. 39Awsel أوصلأوصل يربط Claude وChatGPT بأنظمة قيود ودفترة ووافق. حوّل صورة الفاتورة إلى مسودة قابلة للمراجعة في نظامك المحاسبي.3
  40. 40BubblioA door on your product for AI agents: discovery, passkey-signed consent, payment on your own Stripe, and exactly-once receipts. ~150 lines to integrate; 1 line to charge money.3
  41. 41byondrSmall, reliable tools for people and AI agents.3
  42. 42CeloCelo is an Ethereum L2 powering fast, low-cost payments, native stablecoins, and DeFi apps — driving real-world adoption and financial inclusion worldwide.3
  43. 43GoCreative AIGoCreative AI builds and runs AI systems for businesses. Lead follow-up, customer responses, and booking handled 24/7. Book a free 15-minute strategy call with founder Colin Hughes.3
  44. 44Inverso LabsAn independent experimental lab. Ideas into experiments. Experiments into possibilities.3
  45. 45DevXSmall frictions. Better possibilities. Discover independent digital products made by DevX.3
  46. 46minia2a.uk1,600+ verified x402 APIs for AI agents. 5 free trial calls per signed wallet. USDC on Base. Pay-per-call x402. Verified — not just listed, tested. .agent-budget support.3
  47. 47OgenalabsOgena Labs builds paid APIs and MCP tools for AI agents: pre-trade token risk checks on Solana and Base, settled per call in USDC via x402. No API keys.3
  48. 48PixHarvestFor printing shops in Singapore and Malaysia. We load your price table once; every WhatsApp enquiry comes back as a finished quotation.3
  49. 49plugrailplugrail は、日本の公共データに接続するMCPサーバー群です。祝日や営業日の確認から、取引先チェックまで、日々の業務で使うデータとAIエージェントをつなぎます。3
  50. 50SofortFaxFax online senden ohne Faxgerät und ohne Abo: PDF, JPG oder PNG hochladen, Nummer eingeben, einmal zahlen. Ab 2,49 €, Sendebericht per E-Mail.3
  51. 51subPAY.aiSubcontractor billing software: every GC's pay app deadline on one calendar, AI that reads G702/G703s and change orders, and retainage tracked to paid.3
  52. 52すぐFAXPDFや写真をアップロードして番号を入力するだけ。会員登録不要、5ページまで400円（税込）。送信完了レポート付き、予約送信・AIからの送信にも対応。3
  53. 53The Aslan GroupFounded in 2001, The Aslan Group operates a growing network of AI-powered intelligence platforms across 70+ consumer and professional categories — rooted in financial services consulting, built for what's next.3
  54. 54x402broker.comUniversal B2A/A2A/MCP Meta-Router & Autonomous Tool Marketplace indexing 7,340+ live capabilities across x402 v2 (5-chain EVM USDC), IETF MPP, and L402 with TDQS quality scoring and zero-fee pass-through execution.3
  55. 55402rates.comTokenized treasury yields and cross-chain USDC settlement costs with the observations, sources and methods behind them.2
  56. 56448c.org448c.org2
  57. 57Agent911fArchitecting Autonomous Futures & AI-Native Infrastructure. Building the orchestration layer for the agentic economy.2
  58. 58arakelproof.spacearakelproof.space2
  59. 59ARCARC (Agentic Report Card) is a free, open benchmark of whether AI shopping agents can find products and reach checkout at online stores.2
  60. 60AtinamosAtinamos supports businesses in Ely, Cambridge and across the UK with website fixes, bespoke software, ecommerce, automation and practical AI solutions.2
  61. 61AvasisAvasis is a small AI research lab. We build AI that runs on your own devices, reads the physical world and works inside limits you set.2
  62. 62Black_WallBlack_Wall reasons about each AI-agent action and catches the risks your policy rules can't — injection, anomalies, PII — gating it before it runs. The judgment layer on top of your rules. Free tier.2
  63. 63comiza.lightingSmall, self-hosted tools for people building with AI agents.2
  64. 64contix.esCrea facturas desde ChatGPT, Claude o el panel. Verifactu, recurrentes, gastos con IA. Todo incluido, 12 €/mes + IVA, sin sorpresas.2
  65. 65Council of AIUK AI measurement infrastructure operated by CSOAI Ltd. Read current measurements, verify signed evidence for free and inspect the public corrections ledger.2
  66. 66CybercentryCybercentry offers innovative, jargon-free and affordable information security, data protection and cyber security services. Cyber Essentials, IASME Cyber Assurance, Cyber Security.2
  67. 67DetritusOne contract, one account manager, and one invoice for site services in all 50 states.2
  68. 68Doing WorkA complete field service platform for home service shops that your AI agent runs: jobs, customers, photos, quotes, invoices and card and bank payments. Every feature and unlimited workers, jobs, quotes and invoices for every shop.2
  69. 69easyrider.oneeasyrider.one2
  70. 70Fakto.appJedyna integracja MCP dla wFirma. Claude i ChatGPT wystawiają faktury, analizują sprzedaż i pilnują płatności - odczyt i zapis, nie tylko podgląd.2
  71. 71fastdb.infastdb.in2
  72. 72FidacyHackers can hijack the AI agent you already gave access to. Fidacy blocks consequential actions outside signed authority before execution.2
  73. 73Final POSBuild the custom POS system your business deserves — for retail, kiosks, and mobile checkout. Your unique workflow, your niche, on your device. Zero coding required.2
  74. 74Finology SoftwareFinology Software is U.S. student loan planning software for financial advisors: RAP, IDR and PSLF modeling, NSLDS import and client-ready reports.2
  75. 75FiscalistoFacture en tres pasos, sin contratar nada más. Cada mañana bajamos del SAT lo que emite y recibe y le avisamos lo que está mal. Todo incluido desde $99 al mes + IVA ($114.84 con IVA).2
  76. 76FLAT ProtocolSAVE Token vs 26 world assets. Real money. No backtests. On-chain proof. Updated live.2
  77. 77GeminaOCR gives you text. Gemina gives you answers. Upload any document, then search it, total it, and chat with it.2
  78. 78Stringer Agentgetstringer.app2
  79. 79haggl.aiYour next customer will send an agent. Make sure it buys from you. Your sales agent makes each customer an offer, inside the budget you cap.2
  80. 80JAIKINAgence IA, automatisation et logiciels sur mesure pour PME et ETI : Odoo, applications métier, agents IA. Partout en France, depuis l'Alsace.2
  81. 81James H. Rosing, MD, FACSBeauty has a geometry — a focused eyelid and facial practice built on proportion, restraint, and honest counsel.2
  82. 82johtodata.comjohtodata.com2
  83. 83Kema StudioKema Studio édite ses propres logiciels de gestion et développe ceux d'autres entreprises. Des outils utilisés tous les jours par les équipes, et que les agents IA peuvent désormais piloter.2
  84. 84Kenwea ProtocolKenwea Protocol is a marketplace where AI agents sell digital products and custom work and people buy them, beside free open-source Kenwea Labs Picks, with sandbox-gated listings and escrow-protected checkout.2
  85. 85Kevin Luke Lewiskevinlukelewis.com2
  86. 86KrimskramsUseful paid APIs for AI agents. Every product accepts x402 and MPP payments.2
  87. 87Latitude 10Latitude 10 is an API platform: one OpenAPI document becomes a versioned registry, a hosted API reference with an API client, docs for people and AI agents, TypeScript and Python SDKs, and a hosted MCP server. It’s built by Jorge Ortega at October Moon LLC.2
  88. 88LordevoLordevo helps businesses everywhere get found on Google and stay safe online. Free SEO scan by Bro, SEO audits from US$25, and website security scanning.2
  89. 89m2m.monsterm2m.monster2
  90. 90marketintelligenceapi.commarketintelligenceapi.com2
  91. 91mayneart.ukmayneart.uk2
  92. 92Meal PlannerDinner sorted for busy families. Get six personalized dinners, one grocery list, Saturday email delivery and Instacart handoff with Plus. $5 CAD/month. #meal-planner2
  93. 93ml-nightworx.ioml-nightworx.io2
  94. 94MnemoPayMemory, payment rails, signed receipts, agent reputation, escrow, HITL approvals, and Article 12 audit trails in one Apache-2.0 SDK.2
  95. 95Neuronto ARD RegistryOne search across every public ARD registry. Find the MCP servers, skills, agents and APIs that can do a task.2
  96. 96Welcome to nip.io / sslip.ionip.io / sslip.io2
  97. 97nsgoodsTwelve x402 pay-per-call APIs for AI agents on Base and Solana. Signed responses, free preview on every service.2
  98. 98NythosXFull-Stack Software Developer building business systems, web applications, AI tools, and automation for real-world problems.2
  99. 99OnChainDiligenceRecord what an AI agent declared before it paid, keep what the wallet or executor reported, independently observe what settled onchain, and keep verifiable evidence when those sources disagree.2
  100. 100PaddleIncrease revenue, reduce risk and reduce cost with Paddle, the payment solution powering global revenue for n8n, Letterboxd & AdGuard. One platform that handles billing, tax and compliance.2

Other categories