Koskamo

etherscan-mcp-server

An MCP server that connects AI assistants to the Etherscan Ethereum blockchain explorer API. It provides tools to query native ETH balances, ERC-20 token balances, transaction history, contract ABIs, and gas prices. It supports optional API keys for higher rate limits and works with clients like Claude Desktop, Cursor, and Windsurf.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

etherscan-mcp-server logo, by friendlygeorgeCommunity listingLocal stdioSource reviewed; not executedPublished by friendlygeorge
You need:get a free API key at etherscan.io/apis
Vendor documentation

What you can do with it

  • Get native ETH balance for an address
  • Get all ERC-20 token balances for an address
  • Get full details for a transaction by hash
  • Get the ABI for a verified smart contract

Source and maintenance

Community listingRegistry 1.0.0MITRepository archived
mcp-registry: io.github.friendlygeorge/etherscan-mcp-server@1.0.0Source repository
Last repository push
Latest release
v1.0.3
Maintenance checked

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

etherscan-mcp-server 1.0.0

npm
etherscan-mcp-server package definition
{
  "version": "1.0.0",
  "transport": "stdio",
  "identifier": "etherscan-mcp-server",
  "registryType": "npm"
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · repository · passed · metadata changed · updated
  • · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.
Cursor configuration
{
  "mcpServers": {
    "etherscan-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "etherscan-mcp-server@1.0.0"
      ]
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.
Cline configuration
{
  "mcpServers": {
    "etherscan-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "etherscan-mcp-server@1.0.0"
      ]
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.
VS Code configuration
{
  "servers": {
    "etherscan-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "etherscan-mcp-server@1.0.0"
      ]
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.
Claude Desktop configuration
{
  "mcpServers": {
    "etherscan-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "etherscan-mcp-server@1.0.0"
      ]
    }
  }
}

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