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.
AlicenseAqualityAmaintenanceReal-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.4363MITWhy this server?
Provides tools for creating wallets, setting spend policies, sending USDC, and paying x402-priced endpoints through Circle's Agent Stack.
AlicenseAqualityAmaintenanceMCP server for Circle's Agent Stack. Create wallets, set spend policies, send USDC, and pay x402-priced endpoints — all from a tool call.6481MITWhy 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?
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.89MITWhy this server?
Tracks Circle's USD Coin (USDC) stability, offering current price information, historical data analysis, and peg deviation reports to assess stablecoin integrity.
MITWhy this server?
Facilitates multi-chain USDC settlement using Circle's CCTP infrastructure for cross-chain payments.
AlicenseAqualityDmaintenanceNon-custodial x402 MCP payment layer for AI agents — the open-source alternative to Vercel x402-mcp11795MITWhy this server?
Enables fetching canonical entity dossiers for Circle, including news and market data.
AlicenseCqualityBmaintenanceAn MCP server offering 99 tools for AI agents to access crypto editorial content, market data, on-chain analytics, sentiment, and proprietary indicators, with citations and time-stamped responses.99621MITWhy 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?
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.4MIT