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base

Fetch Base chain ETH balances, ERC-20 tokens, and USD valuations.

2|Updated Mar 26, 2026
Search Tags:#analytics#blockchain#wallet#price#base#usd#on-chain-data
One-click install
npx skills add https://github.com/CUexter/hermes-agent --skill base-cuexter
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: base
Source: https://github.com/CUexter/hermes-agent/tree/main/optional-skills/blockchain/base
Command: npx skills add https://github.com/CUexter/hermes-agent --skill base-cuexter

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

Retrieve Base blockchain data including ETH balance, ERC-20 token details, on-chain activity, gas analysis, whale detection, and live USD valuations, all without external API keys.

Core Features & Use Cases

  • ETH balance and ERC-20 token holdings with USD values.
  • Full transaction details, contract inspection, whale detection, and Base network health stats.
  • Quick price lookups for Base tokens and on-demand USD pricing for portfolios.

Quick Start

Query a Base wallet address to retrieve ETH balance, ERC-20 holdings, and USD-valued portfolio metrics.

Frequently Asked Questions about base

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I check the USD value of ERC-20 tokens in a Base wallet?▼

To check Base wallet USD value, query a wallet address to retrieve ETH balance, ERC-20 token holdings, and live USD valuations. It fetches on-chain data via a Base RPC endpoint and retrieves token prices through CoinGecko without requiring external API keys.

Can I detect whale activity and inspect contracts on the Base blockchain?▼

You can detect Base whale activity and inspect contracts by querying specific wallet or contract addresses. The system analyzes on-chain data to identify large token movements and retrieves contract details directly through batched RPC calls.

Do I need an API key to fetch Base on-chain data and transaction details?▼

You do not need an API key to fetch Base on-chain data. The system retrieves transaction details, contract information, and network health stats directly using a Base RPC endpoint and CoinGecko price data.

What is the best way to audit transactions and monitor Base network health?▼

The best way to audit Base transactions and monitor network health is to query the blockchain via batched RPC calls. This approach provides full transaction details, gas analysis, and resilient network health statistics.

How does resilient error handling work during Base RPC data retrieval?▼

Resilient error handling during Base RPC data retrieval works by managing batched RPC calls to prevent failures when fetching ETH balances and ERC-20 token details. It ensures continuous data extraction despite intermittent network issues.

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