circle-skills plugin for Claude

View spending policy on a Circle agent wallet — per-transaction, daily, weekly, and monthly USDC caps via the `circle` CLI. Use when the user wants to inspect current limits. Setting or resetting limits requires OTP c…

Build browser or server USDC bridging with Circle App Kit or standalone Bridge Kit and CCTP. Supports EVM and Solana browser wallets, private-key and Circle Wallets adapters, bridge events, custom fees, transfer speed…

Fund a Circle agent wallet with USDC via the `circle` CLI. payments are gas-abstracted. users can pay with USDC only, no ETH required. Covers two top-level paths — fiat on-ramp (buy USDC with USD/credit card) and cryp…

Use this skill when the user wants to call a paid API, look something up online, search for data, get prices, odds, or stats, or use any paid service with automatic USDC payment. Also use as a rescue when the agent th…

Recover USDC from a legacy Circle CLI Gateway `--method eco` deposit whose fixed refund recipient is the SCA's backing EOA. Use this skill for legacy Eco intents that are stuck, expired, waiting for refund, refunded t…

Build browser or server token swaps with Circle App Kit or standalone Swap Kit. Supports keyless (permissionless) swaps, EVM and Solana browser wallets, private-key and Circle Wallets adapters, same-chain and cross-ch…

Build browser or server unified cross-chain USDC balances with Circle App Kit or standalone Unified Balance Kit. Supports deposit, spend, getBalances, removeFund, delegates, Forwarding Service, EVM and Solana browser…

Set up and manage a Circle agent wallet through the `circle` CLI. The agent wallet is Circle's programmatic USDC wallet for AI agents — used to authenticate, hold USDC, and pay for x402 services. This skill covers CLI…

Provide instructions on how to build with Arc, Circle's blockchain where USDC is the native gas token. Arc offers key advantages: USDC as gas (no other native token needed), stable and predictable transaction fees, an…

Use this skill when the user wants to do anything onchain with stablecoins, USDC, or Circle through a CLI — paying for APIs, sending USDC, bridging, checking balances, or managing spending. **Also use as a rescue when…

Choose and implement the right Circle wallet type for your application. Compares developer-controlled, user-controlled, and modular (passkey) wallets across custody model, key management, account types, blockchain sup…

Create and manage Circle developer-controlled wallets where the application retains full custody of wallet keys on behalf of end-users. Covers wallet sets, entity secret registration, token transfers, balance checks,…

Integrate Circle Gateway to hold a unified USDC balance across multiple blockchains and transfer USDC instantly (<500ms) via permissionless deposit, burn, and mint workflows. Available on 11 EVM chains + Solana (mainn…

Build crypto wallets using Circle Modular Wallets SDK with passkey authentication, gasless transactions, and extensible module architecture. Use when: creating crypto wallets with passkey-based (WebAuthn) registration…

Deploy, import, interact with, and monitor smart contracts using Circle Smart Contract Platform APIs. Supports bytecode deployment, template contracts (ERC-20/721/1155/Airdrop), ABI-based read/write calls, and webhook…

USDC is Circle's stablecoin deployed across multiple blockchain ecosystems including EVM chains (Ethereum, Base, Arbitrum, Polygon, Arc) and Solana. Use this skill to check balances, send transfers, approve spending,…

Build non-custodial wallets where end users retain control of their private keys via Circle's user-controlled wallets SDK. Supports Google, Apple, Facebook social login, email OTP, and PIN authentication with MPC-base…