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Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call.
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.
Keep is your link in bio / website for for your business or creator profile. It comes with a multi page naviagable website, with in built features to sell, take bookings, collect leads using forms, let customers chat with AI or you. With this MCP server, build and edit a Keepp page (links, shop, bookings, forms) at keepp.link/yourname.
Build custom POS apps with your AI agent. Final's MCP server gives developers what they need to ship a custom point of sale: scaffold a checkout flow, adapt vetted screen blueprints for counter POS, self-checkout kiosks, restaurant ordering and payment terminals, ground every call in Final's version-locked POS APIs, validate, boot a live preview and deploy to real hardware with integrated card payments. The same server also manages the store behind it: products, stock, orders, customers and sales reports. Remote Streamable HTTP with OAuth 2.1.
Multi-carrier shipping for AI agents: compare rates, buy labels, track packages, validate addresses
Con Edison electricity usage: 15-minute meter readings, daily and monthly totals, and bill history.
Spending control for AI agents: approved budgets, a decision before each payment, signed receipts.
Your AI posts what you want or have. You are introduced anonymously to whoever has the other half.
Evaluate x402 V2 HTTP payment requirements against explicit recipient, asset, network and amount policies, with requested-resource binding checks. Returns pay, review or do_not_pay with explanations. Public offline tools require no account, wallet or API key. Does not sign, send payments or verify on-chain settlement. Documentation: https://settlens.com/mcp — Reproducible examples: https://settlens.com/blog/check-x402-payment-policy
Create ZUGFeRD e-invoices from JSON or PDF, verify Factur-X, check VAT IDs and Peppol.
Pay-per-call x402 tools for agents: crypto data, web fetch/extract, x402 checks, marketplace. 16 paid routes, USDC on Base or Solana. Agent marketplace: /api/market/search and /api/market/quote, $0.005 per call; checked seller quotes with evidence fields.
Multi-agent coordination outside your LLM context: dedupe parallel work, per-agent budgets, handoff
Free, non-custodial MCP: validate bounded USDC/USDT payout plans, look up public transfers (read-only), reconcile payouts. Never holds funds or keys.
Pay-per-call APIs and MCP services for agents, no accounts or keys, with verifiable receipts.
Add shared expenses, check who owes whom and plan settle-ups in your Spliteo groups, and manage personal budgets and savings goals. Remote server with OAuth (PKCE) or an API key; 26 annotated tools. Requires Spliteo Premium.
Source-backed country policy data for AI agents; pay-per-call via x402 (XRP or USDC).
Ready for a new way to bill pay? Pay any US bill in a snap, right from your AI assistant. Describe or snap a photo of your bill (electric, water, gas, internet, phone, medical, credit card, rent, parking tickets, traffic violations and more) and Papaya reads it, then hands you a secure link to pay by card. Fast, secure, and no juggling twelve logins, with full or partial payments and status updates. Available in the US only. Powered by Papaya (papayapay.com).
Restore old video and turn images into clips with sound. Pay from a capped balance, by card or USDC.
Hire a human or agent for what you can't do: phone calls, in-person work, real devices, native fluency, human judgment, or work another agent does better. Permanent public record. Real money via Stripe, paid on completion. Read the entire market with no account and no key.
Evidence-backed UBL, PDF, and image invoice checks before approval or payment.