"A search engine that searches multiple other search engines" matching MCP connectors:
GET /v1/connectors – MCP directory API referenceMatching Connector Tools:
Reads and validates any European e-invoice a business receives — XRechnung, UBL, CII, ZUGFeRD/Factur-X PDF, Peppol BIS 3, FatturaPA, KSeF FA(3) — into canonical EN 16931 JSON with plain-language fix hints in EN/DE/PL/IT/FR, plus PDF, CSV and DATEV export. Nothing is stored; works without a key on a small daily quota.
Generate, validate and read Factur-X / EN 16931 e-invoices (France, EU): PDF/A-3, CII, UBL 2.1.
Free professional review of a contractor's equipment rental invoices. Referral and intake only.
Resollo marketplace: search, seller lookup, offers, orders, draft listings. All human-approved.
Give your AI agent a spending limit: approval controls and single-use virtual cards.
A free tool recommender plus eight x402 tools for payments, merchants, wallets, and web evidence.
Buy a $2 novelty digital rock over x402 (USDC on Base). Serves payment instructions only.
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.
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.
Search settlement-verified x402 APIs. Discovery is free. Agents pay the provider in USDC on Base.
Recruitment Agency Fees: the site's own MCP server — enquiry (enquiry = a human handoff, not a...
Data feeds for AI agents: list products, sign up, check balance, get a top-up link, fetch data.
Web search for agents, one x402 payment: real results, provider failover, signed receipt. $0.01.
Open demo shop: search products, place a 0.05 CHF order, create a PostFinance payment link.
Contractor Pay Calculator: the site's own MCP server — calculator, enquiry (enquiry = a human...
Search pwa.directory, submit a progressive web app, and get a payment link a human pays.
PIX payments for Brazil: verify a settlement with no API key, or sell USDT/USDC for BRL over PIX.
Check what a paid x402 endpoint or MCP server delivered, from probes anyone can repeat.
Late Payment Interest: the site's own MCP server — calculator, enquiry (enquiry = a human...