"Samsung Pay" matching MCP servers:

MCP server that lets AI agents discover and pay for .agent services using USDC over x402, with daily budget controls and payment link creation.

An MCP server that provides real-time web search to AI agents via a pay-per-search USDC microtransaction system.

Pay-per-call MCP server for on-chain blockchain data including wallet profiles, token metrics, protocol TVL, and gas prices.

9 tools, Lightning-gated. Pay per call. For agents that need verifiable signed actions with an audit trail. Nostr event signing via daemon Publish events to relays Create Lightning invoices Action receipts — signed proof of agent actions Identity attestation

Enables fetching NFT metadata such as name, image, attributes, and collection details from a contract address and token ID on Ethereum and Base, with x402 pay-per-call micropayments.

USDC payments for AI agents on Base. Direct transfers, pre-funded tabs, x402 paywall handling, and service discovery.

MCP server with paid_fetch, list_merchants and budget_status tools: AI agents pay x402 APIs in USDC on Base inside an owner-signed, on-chain budget, so a prompt-injected agent can't overspend or pay an attacker.

Get the best swap quotes across Uniswap, SushiSwap, Aerodrome with pay-per-call via x402 (USDC on Base).

Live gas prices with gwei tiers, USD cost estimates, and congestion level. Time your transactions perfectly with pay-per-call via x402.

Provides Solana priority fee estimates at 6 levels for transactions, with pay-per-call micropayments via x402.

Enables agents to resolve ENS names to Ethereum addresses and reverse-resolve addresses to ENS names, including avatar URLs, through a pay-per-call x402 micropayment API.

Resolves prediction market events with confidence scores by aggregating news, price feeds, and web data, using pay-per-call x402 micropayments.

AI agents that hire other AI agents — and pay in SOL. Decentralized agent marketplace via Nostr + Solana.

Enables AI models to interact with the Lightning Network by providing an MCP-compliant API to pay invoices.

Enables AI agents to pay per tool call in USDC via the x402 micropayment protocol, with no API keys or subscriptions required.

Lets agents pay x402-protected endpoints privately on Stellar using zero-knowledge proofs, with tools to create wallets, deposit funds, and pay endpoints while revealing only a nullifier.

MCP server exposing AIMarket's verifiable oracle capabilities (Platon VRF, Chronos VDF, LUMEN reputation) as agent-callable tools with pay-per-call.

Trust infrastructure for AI agents on Base. DEX Spread Oracle (live Uniswap V3 prices), on-chain escrow, insurance pool, and collective knowledge base. 7 smart contracts. Pay-per-query via x402 micropayments in USDC.

MCP server for OrcaTrace, a pay-per-call Polymarket intelligence feed for AI agents. It provides tools to track smart money, whale entries with calibration, market repricings, and digests across 42K prediction markets, with payments settled via x402 on Base.

Provides AI agents with direct access to the Ray Group DeFi UX rubric, named patterns, and cognitive-bias glossary for grounded UX assessments of DeFi protocols.

PayQL is an MCP server that lets any AI agent query The Graph and pay per query in USDC — gasless, keyless, bring-your-own-wallet.

A wallet for AI agents: test funds, payments, paid APIs and escrow on Aether. Give an AI agent its own wallet on Aether, a proof-of-work chain with post-quantum (ML-DSA-44) signatures. The agent gets an address and testnet funds in one step, then sends and receives AETH or USDC under per-payment and daily limits you set. It can pay for APIs that answer HTTP 402, sell its own, rate the services it

MCP server providing on-chain monitoring reads such as ENS expiry, gas prices, token unlocks, and oracle health via the FabTally Chain API. It supports stdio and streamable-http transports, is read-only and keyless, with pay-per-call tools.

Provides a pay-per-query web search tool for AI agents via Lightning Network sats, enabling no-KYC, account-free searches through the MCP protocol.

Trust infrastructure for the machine economy. Gives AI agents non-custodial smart accounts (ERC-4337), x402 payments, on-chain reputation via ERC-8004 trust registry, and service discovery. 8 tools: create accounts, transfer, check balances, pay for x402 services, publish/discover services, manage payment agreements, and send encrypted messages.

Provides pay-per-use tools for AI agents like web screenshots and crypto intelligence using automatic USDC micropayments on the Base network. It simplifies access to premium APIs by handling blockchain transactions automatically when a payment is required.

Enables AI agents to manage DIDs, verifiable credentials, JWTs, and payment requests/receipts through ACK-ID and ACK-Pay operations via the Model Context Protocol.

Let your AI assistant pay for web content in USDC (x402 on Base) within a budget you set. Inside the budget it pays on its own; above it you are asked to confirm. The wallet key stays on your computer. For claude.ai and ChatGPT there is a remote server (https://agent.p2flux.com/mcp) where you approve each payment in your own browser wallet.

Blockchain JSON-RPC on 23 EVM chains for AI agents — Ethereum, Base, Arbitrum, plus young chains like Robinhood Chain, Plasma and Ink. Free reads with no key; heavy methods (eth_getLogs, trace, debug) via a free API key or x402 USDC pay-per-call.

An MCP server for creating, settling, disputing, and refunding escrows on EVM chains.