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base

Query Base blockchain data with USD pricing via RPC and CoinGecko.

4|Updated May 14, 2026
Search Tags:#data analysis#blockchain#ethereum#crypto#base
One-click install
npx skills add https://github.com/liumeixin/hermes-skills --skill base-liumeixin
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: base
Source: https://github.com/liumeixin/hermes-skills/tree/main/blockchain/base
Command: npx skills add https://github.com/liumeixin/hermes-skills --skill base-liumeixin

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

This Skill enables you to query Base blockchain data with USD pricing, providing insights into wallet balances, token information, transaction details, gas analysis, contract inspection, whale detection, and live network stats.

Core Features & Use Cases

  • Wallet Portfolio: Retrieve ETH balance and ERC-20 token holdings with USD values.
  • Transaction Details: Inspect transactions by hash, including ETH value transferred, gas used, fee in ETH/USD, status, and decoded transfers.
  • Token Info: Obtain ERC-20 token metadata, including name, symbol, decimals, total supply, price, market cap, and contract code size.
  • Gas Analysis: Analyze Base gas costs and L1 data fees, showing current gas price, base fee trends, block utilization, and estimated costs for common operations.
  • Contract Inspection: Determine if an address is an EOA or contract, detect ERC-20/ERC-721/ERC-1155 interfaces, and resolve EIP-1967 proxy implementation addresses.
  • Whale Detector: Scan the most recent block for large ETH transfers with USD values.
  • Network Stats: Monitor live Base network health, including latest block, chain ID, gas price, base fee, block utilization, transaction count, and ETH price.
  • Price Lookup: Quickly check the price of any token by contract address or known symbol.
  • Use Case: Suppose you want to check the balance of a Base wallet and the prices of popular tokens. You would use the wallet and price commands.

Quick Start

Use the base skill to check the ETH balance of the wallet '0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045'.

Frequently Asked Questions about base

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

FAQPage Schema
How do I check a Base blockchain wallet balance with USD pricing?▼

To check a Base blockchain wallet balance with USD pricing, query the wallet address to retrieve its ETH balance and ERC-20 token holdings, automatically converted to USD values using CoinGecko API price data.

Can I analyze Base network gas costs and L1 data fees without an API key?▼

Yes, you can analyze Base gas costs and L1 data fees without an API key by querying current gas prices, base fee trends, block utilization, and estimated costs for common operations directly via the Base RPC.

How do I inspect a transaction on the Base L2 network?▼

To inspect a Base L2 transaction, provide the transaction hash to retrieve ETH value transferred, gas used, fee in ETH and USD, transaction status, and decoded ERC-20 token transfers.

What's the best way to detect large ETH transfers on Base?▼

The best way to detect large ETH transfers on Base is scanning the most recent block for whale transactions, which surfaces large ETH transfers alongside their calculated USD values.

How do I check if a Base address is an EOA or a smart contract?▼

To check if a Base address is an EOA or a smart contract, inspect the address to detect contract code, identify ERC-20, ERC-721, or ERC-1155 interfaces, and resolve EIP-1967 proxy implementation addresses.

How do I get ERC-20 token metadata and market cap on Base?▼

To get ERC-20 token metadata on Base, query the token contract to obtain its name, symbol, decimals, total supply, current price, market cap, and contract code size.

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