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.
AlicenseAqualityCmaintenanceReal-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.433 npm3MITWhy this server?
Tracks Circle's USD Coin (USDC) stability, offering current price information, historical data analysis, and peg deviation reports to assess stablecoin integrity.
AlicenseAqualityDmaintenanceAn MCP server that tracks stablecoin peg integrity across multiple blockchains.44MITWhy 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?
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-mcp1141 npm5MITWhy this server?
Monitors whale movements from Circle's stablecoin treasury and related addresses, providing alerts on large transactions.
AlicenseAqualityBmaintenanceBlockchain event sequence anomaly detection MCP server using NASA-derived sequence mining, providing human-readable story labels and anomaly scores for financial event windows.1678 npmMITWhy this server?
Provides tools for creating wallets, setting spend policies, sending USDC, and paying x402-priced endpoints through Circle's Agent Stack.
AlicenseAqualityCmaintenanceMCP server for Circle's Agent Stack. Create wallets, set spend policies, send USDC, and pay x402-priced endpoints — all from a tool call.627 npm1MITWhy 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.
AlicenseAqualityDmaintenanceLets 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.80MITWhy 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?
Enables gasless USDC nanopayments via Circle Gateway, allowing AI agents to pay for API calls per request without needing an API key or account.
AlicenseAqualityCmaintenanceLets AI agents discover, pay for, and call any HTTP API per request using USDC, with gasless nanopayments and no API keys or accounts needed.532 npmMIT