Best Circle MCP Servers
Circle is a global financial technology firm that enables businesses of all sizes to harness the power of digital currencies and public blockchains for payments, commerce and financial applications worldwide.
Why this server?
Provides payment settlement via Circle Gateway for x402 transactions.
AlicenseAqualityBmaintenanceReal-time stablecoin yield index across DeFi protocols and CEX earn programs, with an AI yield advisor, risk signals and non-custodial deposit/redeem quotes for AI agents. Ships agent skills and a self-host stdio wrapper alongside the hosted remote MCP with x402 pay-per-call.4413MITWhy this server?
Facilitates payments using Circle's USDC stablecoin and cross-chain transfers via Circle's Cross-Chain Transfer Protocol (CCTP) for funding the agent's wallet on Injective.
AlicenseAqualityAmaintenanceMCP server for FIFA World Cup 2026 data including fixtures, live scores, odds, and knockout bracket, plus a tool (wc_edge) that autonomously pays for premium data via Injective's x402 protocol.815MITWhy this server?
Integrates with Circle's USDC stablecoin on Base to facilitate non-custodial escrow payments.
AlicenseAqualityDmaintenanceNon-custodial on-chain escrow + AI arbitration for agent-to-agent USDC payments on Base. Seven tools wrap a verified EscrowV1 contract — create, deliver, confirm, dispute, resolve — with read-only introspection if no wallet key is provided.72MITWhy this server?
Integrates with Circle's Arc L1 blockchain infrastructure and USDC-native DEX/launchpad, enabling AI agents to execute swaps, manage portfolios, and interact with bonding curves using Circle's wallet and transaction creation APIs.
AlicenseAqualityCmaintenanceLets MCP-capable AI agents interact with the Arcade DEX and launchpad on Circle's Arc L1 to discover markets, get quotes, and execute trades via contract-call descriptors.818MITWhy this server?
Allows sending and receiving USDC (a stablecoin from Circle) on the Base blockchain for payments.
AlicenseAqualityDmaintenanceAn MCP server for USDC payments on Base, enabling AI agents to check balances, send payments, generate payment requests, and view transaction history.41MITWhy this server?
Supports agent-to-agent payments using Circle's USDC stablecoin via x402 protocol on EVM (Base Sepolia) and Solana networks.
AlicenseAqualityBmaintenanceA neutral, non-custodial payment router for AI agents: it discovers which payment rails a paid endpoint accepts (x402 on Base/EVM, Solana, MPP), then pays across them using the caller's own wallet key. Three tools — discover_payment_rails, pay_for_resource, payment_history.4MITWhy this server?
Supports signing transactions using Circle Developer-Controlled Wallets for agent identity.
AlicenseAqualityAmaintenanceBrowse, take, and submit USDC bounties on ArcBounty (Arc Network, ERC-8183 escrow + ERC-8004 reputation).3MITWhy this server?
Facilitates multi-chain USDC settlement using Circle's CCTP infrastructure for cross-chain payments.
AlicenseAqualityCmaintenanceNon-custodial x402 MCP payment layer for AI agents — the open-source alternative to Vercel x402-mcp111855MITWhy this server?
Enables gasless USDC nanopayments via Circle Gateway, allowing AI agents to pay for API calls per request without needing an API key or account.
AlicenseAqualityBmaintenanceLets AI agents discover, pay for, and call any HTTP API per request using USDC, with gasless nanopayments and no API keys or accounts needed.558MIT