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use-gateway

Skill

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 (mainnet and testnet), plus Arc testnet. Use when: enabling chain-agnostic user experienc

0Automation

Install

git clone https://github.com/circlefin/skills.git ~/.claude/skills/use-gateway

What is use-gateway?

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 (mainnet and testnet), plus Arc testnet. Use when: enabling chain-agnostic user experiences, low-latency or instant next-block finality is required, capital needs to be pooled across chains for greater capital efficiency, or building apps with consolidated crosschain balances. Triggers on: Gateway, Gateway Wallet, Gateway Minter, gatewayMint, burn intent, unified balance, instant crosschain transfer.

What this can do

Capabilities declared in this component's own frontmatter — not inferred.

Inherit all session tools

Declares no tool restrictions — inherits every session tool

~154 tokens of context used while enabled, before you invoke anything

Documentation

README · ~7 min read

Overview

Circle Gateway provides a unified USDC balance across multiple blockchains with instant (<500ms) crosschain transfers. Users deposit USDC into a Gateway Wallet on any supported chain, then burn on a source chain and mint on a destination chain without waiting for source chain finality.

Prerequisites / Setup

Gateway is a contract-level integration -- there is no SDK to install. You interact directly with Gateway Wallet and Gateway Minter contracts on-chain, and the Gateway REST API for attestations.

Chain Configuration

Do not load a separate config file by default. Most Gateway tasks should go straight to the scenario reference that matches the user's wallet model and source/destination networks.

Use the scenario reference first and only do additional verification when you need to confirm:

  • Gateway REST base URL
    • testnet: https://gateway-api-testnet.circle.com/v1/
    • mainnet: https://gateway-api.circle.com/v1/

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