From pinion-os
Fetches ETH and USDC balances for Ethereum addresses on Base mainnet via x402-paid API ($0.01 USDC/call). Use to verify wallet funds before sending, trading, or confirming payments.
How this skill is triggered — by the user, by Claude, or both
Slash command
/pinion-os:balanceThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Returns ETH and USDC balances for any address on Base mainnet.
Returns ETH and USDC balances for any address on Base mainnet.
GET https://pinionos.com/skill/balance/:address
Price: $0.01 USDC per call (x402 on Base)
| Parameter | Type | Required | Description |
|---|---|---|---|
| address | string | yes | Ethereum address (0x, 40 hex chars) |
curl https://pinionos.com/skill/balance/0x101Cd32b9bEEE93845Ead7Bc604a5F1873330acf
The first request returns HTTP 402 with payment requirements. Sign a USDC TransferWithAuthorization (EIP-3009) and retry with the X-PAYMENT header.
{
"address": "0x101Cd32b9bEEE93845Ead7Bc604a5F1873330acf",
"network": "base",
"balances": {
"ETH": "0.042100",
"USDC": "12.50"
},
"timestamp": "2026-02-16T12:00:00.000Z"
}
npx claudepluginhub chu2bard/pinion-os --plugin pinion-osQueries ETH/USDC balances on Base for any address and returns funding steps, minimum recommendations, and bridge info. Use to verify agent wallet funds. Costs $0.01 USDC via x402.
Queries multi-chain token balances, portfolio values, and NFT holdings using Bankr SDK via natural language prompts. Supports Base, Ethereum, Polygon, Solana for wallet checks and asset overviews.
Checks USDC balances, sends transfers, approves spending, and verifies transactions on EVM chains and Solana using viem and @solana/kit.