MCP Server Directory

Ontario Protocol com.ontarioprotocol/ontario-protocol

Verify x402 endpoints before payment or publish service profiles for agent discovery.

Quantitative trading strategies, market indices, and live performance data

Generic MCP server for calling x402-protected APIs with automatic payment handling

paycrow io.github.michu5696/paycrow

Escrow protection for agent payments on Base — USDC held in smart contract until job completion.

Norway Invoices (Peppol BIS 3.0 / EHF via Storecove) app.wishpool/norway-invoice-mcp

Norway Peppol/EHF BIS 3.0 e-invoices for AI agents: send, check recipient, get delivery proof.

midasflow-mcp-quickstart io.github.midasflowai-lab/midasflow-mcp-quickstart

Agent-native crypto market-data over MCP+REST: order flow, whales, liquidations, calibrated scores

Daily Data Feeds io.github.Mila-Petrovich/daily-datasets

Daily data: jobs, VC funding, domain drops, patents, gov contracts, crypto. Bitcoin pay-per-month.

Financial data for AI agents: SEC filings, price history, insider trades, and more.

Owl Group Trading — Indicator Code com.owlgrouptrading/indicator-code

Verified cross-platform implementations of Owl Group Trading indicators as queryable code.

QuickBooks Online MCP server: invoices, bills, customers, vendors, employees, and accounts

Human-curated crypto market intelligence with x402 payments. Weekly signals and analysis.

Agent knowledge marketplace. 105 products, 6 MCP tools, x402 payments on Base network.

mcp-merchant ai.shawndurrani/mcp-merchant

Search-only commerce MCP server backed by Stripe (test)

MCP server for Chargebee — global subscription billing, recurring revenue orchestration

Assess UK lease tenant break clauses with grounded citations and a measured hallucination rate.

MCP server for Cielo — credit card, debit, boleto, recurrent payments

MCP server for Circle — USDC payments, wallets, payouts, transfers

Sivut SEC Crypto Filing Radar co.sivut.pay/sec-crypto-filing-radar

SEC EDGAR crypto filing radar MCP with x402-paid Base USDC data URLs.

uk-farm-subsidies io.github.Ansvar-Systems/uk-farm-subsidies

UK farm subsidy schemes — SFI, Countryside Stewardship, payment rates, eligibility

MCP server for Clip (PayClip) — Mexico's leading acquirer: payment links, card charges, refunds

MCP server for Coinbase Developer Platform (CDP) — Trading, Wallets, Payments under one CDP key

uk-livestock io.github.Ansvar-Systems/uk-livestock

UK livestock welfare, feed, health, and movement rules — 8 species, DEFRA codes

MCP server for Coinbase Commerce — crypto merchant payments (BTC/ETH/USDC); settle crypto or fiat

Colppy — Argentine cloud accounting + AFIP invoicing