chu2bard/pinion-os/balance

Name: balance
Author: chu2bard

Claude Code and agent skill by chu2bard/pinion-os

Trust tier 2

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Get ETH and USDC balances for any Ethereum address on Base. Costs $0.01 USDC via x402.

Install

npx vskill@latest install chu2bard/pinion-os/balance

SKILL.md

Balance Lookup

Returns ETH and USDC balances for any address on Base mainnet.

Endpoint

GET https://pinionos.com/skill/balance/:address

Price: $0.01 USDC per call (x402 on Base)

Parameters

Parameter	Type	Required	Description
address	string	yes	Ethereum address (0x, 40 hex chars)

Example Request

bash

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.

Example Response

json

{
  "address": "0x101Cd32b9bEEE93845Ead7Bc604a5F1873330acf",
  "network": "base",
  "balances": {
    "ETH": "0.042100",
    "USDC": "12.50"
  },
  "timestamp": "2026-02-16T12:00:00.000Z"
}

When to Use

Check any wallet's ETH and USDC holdings on Base before sending or trading.
Verify an agent's funding level.
Confirm a payment was received.

Security

Security scanPassed, 100 of 100Pattern checks on the skill's files.
Model reviewPassed

See the full security report

Quality evaluation

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Source

SKILL.md in the repositoryCheckingskills/balance/SKILL.md

Popularity

Repository stars: 98
Repository forks: 7
Repository npm downloads, 7 days: 8
7-day trend score: 37

Stars and forks are for the whole GitHub repository, not this skill alone. Downloads are for the repository's npm package. Refreshed 15 Apr 2026, 6 months ago.

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Embed badge

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