Etherscan Mcp

io.github.mrfentmenPublished by GitHub account mrfentmenv1.1.0Updated Oct 26, 2026

Query the Etherscan v2 API: ETH balance, transactions, ERC-20 transfers.

The publisher's own server: Etherscan

VerifiedSTDIODesktop onlyFinance

Overview

AI-generated overview

Local MCP server that lets an assistant query the Etherscan v2 API for Ethereum balances, transactions and ERC-20 transfers.

What you can do
  • Look up ETH balance for an address
  • Retrieve transactions for an address
  • List ERC-20 token transfers
  • All queries go through the Etherscan v2 API
When to use it
Useful when you want an assistant to check Ethereum account activity, balances or token movements without leaving the chat, for example while investigating an address or reviewing wallet history.
Requirements
Runs as a local process over stdio, installed from the npm package @mrfentmen/etherscan-mcp, so Node.js is needed. The manifest declares no authentication, environment variables or headers, but the Etherscan v2 API normally requires an API key; check the package documentation for how it is supplied. Network access to Etherscan is required.
Before you install
Queries are sent to the third-party Etherscan service, so the addresses you look up are disclosed to it. No credentials are declared in the manifest, so confirm how any Etherscan API key is configured and keep it out of shared logs. The listed capabilities are read-only lookups.

Installation

In SourceWeft

  1. Open Etherscan Mcp in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.

Other MCP clients

Follow the launch instructions in the repository.

README

This repository has no README.

Tools

0
SourceWeft has not started this package in its sandbox yet, so its tools are not known.

Version history

1
  1. v1.1.0LatestOct 17, 2026

Score

25% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 days25 pts

    Keep the endpoint answering the MCP handshake; SourceWeft probes it every 30 days.

  • Auth declared10 pts

    Declare the credential headers in the registry entry, or keep the endpoint answering the probe so its auth can be classified.

  • Tools listed15 pts

    Answer tools/list without a credential, or ship a package that starts in a sandbox without one.

  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts

    Declare a GitHub repository with a README, or serve resource_documentation in the OAuth protected-resource metadata.

  • License10 pts

    Declare a license in the repository or the registry entry.

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