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etherscan-mcp-skill

Access Etherscan MCP tools for on-chain data and contract inspection.

111|9|Updated Feb 20, 2026
Search Tags:#api#blockchain#smart contracts#crypto#etherscan#on-chain data
One-click install
npx skills add https://github.com/holon-run/uxc --skill etherscan-mcp-skill
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: etherscan-mcp-skill
Source: https://github.com/holon-run/uxc/tree/main/skills/etherscan-mcp-skill
Command: npx skills add https://github.com/holon-run/uxc --skill etherscan-mcp-skill

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill simplifies interacting with the Etherscan MCP API, allowing for efficient on-chain data retrieval and contract analysis without needing to manually construct complex API requests.

Core Features & Use Cases

  • On-chain Data Access: Retrieve address balances, token holdings, transaction details, and contract information.
  • Contract Analysis: Inspect contract ABIs and source code.
  • Use Case: Investigate the token holders of a specific ERC20 token or check the transaction history of an address.

Quick Start

Use the etherscan-mcp-skill to get the balance for the address 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045.

Frequently Asked Questions about etherscan-mcp-skill

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

FAQPage Schema
How do I check an Ethereum address balance using on-chain data?▼

You can check an Ethereum address balance using on-chain data by querying the Etherscan MCP API endpoint. This allows direct retrieval of address balances without manually constructing complex API requests.

How do I retrieve the transaction history of a blockchain address?▼

You can retrieve the transaction history of a blockchain address by accessing the Etherscan MCP API. This simplifies extracting on-chain transaction details without needing to build complex API queries manually.

What is the best way to look up a smart contract ABI and source code?▼

The best way to look up a smart contract ABI and source code is using Etherscan MCP API tools for contract inspection. This enables direct retrieval of contract ABIs and source code for analysis.

Do I need an API key to access Etherscan on-chain data?▼

Yes, you need an API key to access Etherscan on-chain data. The API key provides bearer token authentication required for secure endpoint interaction and safe operation execution.

Can I analyze ERC20 token holders without manual API requests?▼

You can analyze ERC20 token holders without manual API requests by utilizing Etherscan MCP tools. This provides direct token holder analysis capabilities, simplifying the investigation of specific ERC20 token distributions.

What are the limitations of retrieving on-chain data with Etherscan MCP?▼

A limitation of retrieving on-chain data with Etherscan MCP is the strict requirement for UXC CLI for endpoint interaction and bearer token authentication. Adhering to the help-first schema inspection is mandatory for safe operation execution.

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