"A tool to evaluate the suitability of semantic search queries" matching MCP connectors:

Give your AI agent a spending limit: approval controls and single-use virtual cards.

Buy a $2 novelty digital rock over x402 (USDC on Base). Serves payment instructions only.

The agentic layer of letters. Agents send real printed mail worldwide, German compliance built in.

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).

Pay any US bill in a snap, right from your chat — utilities, medical, rent, parking tickets & more.

The Apiosk MCP lets AI agents discover, pay for, execute, and publish APIs through the Apiosk gateway. It is a machine endpoint, not a website, so connect it from an MCP client (Claude, Cursor, ChatGPT, and others) rather than browsing it here.

ManaBuy MCP Server is a stdio-based Model Context Protocol server for integrating ManaBuy product and order APIs with MCP clients. It exposes tools for product search, product detail retrieval, SKU and order-field inspection, order quotation, authenticated order creation, order status lookup, and order detail retrieval, with explicit confirmation required before any order-creation workflow.

Feed of x402/L402 services newly listed on 402index.io within a recency window (candidate #8, manual

Pay-per-use tool API for AI agents. Free tier, x402 USDC micropayments, or API key.

The trust layer of the x402 economy: free conformance checks, attestation, corpus, agent store.

Cash out an AI agent's USDC to a real bank account (non-custodial). Plus Base data + a marketplace

Processor fees, charge-to-net, invoice totals and proration. 3 of 6 tools free.

Send real gifts to 190+ countries: search, check delivery, get a secure checkout link.

Trust and payment layer for the agentic economy on the XRP Ledger.

Find the repo to build from: search 100k+ repos by base-fitness, clone free or buy over x402.

Agent-to-business commerce sandbox: intents, offers, bookings. Demo data, ed25519-signed calls.

Issue registered Brazilian bank slips (boleto) and Pix charges on PagHiper with the official API. Cr

Payments and pricing math sellers do weekly, computed deterministically over MCP: processor_fees breaks down payment costs with editable presets, charge_to_net answers what to charge to net a target amount, invoice_total validates and totals line items, with discount_stack, proration, and installment_plan in the premium tier.

Verified merchants accepting agentic payments on Lightning/L402/BOLT12/USDT — search, verify, pay.

Payments and billing on Stripe with the full official REST API (api.stripe.com), covers the entire d