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MCP verified MIT Self-run

Etherscan Mcp

mcp-xiaok-etherscan-mcp · by xiaok

Model Context Protocol (MCP) Server for Etherscan

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Install

$ agentstack add mcp-xiaok-etherscan-mcp

✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.

Security review

✓ Passed

No issues found. Passed automated security review. · v0.1.0 How review works →

  • ✓ Prompt-injection patterns
  • ✓ Secret / credential exfiltration
  • ✓ Dangerous shell & filesystem operations
  • ✓ Untrusted network calls
  • ✓ Known-malicious package signatures

What it can access

  • ✓ Network access No
  • ✓ Filesystem access No
  • ✓ Shell / process execution No
  • ✓ Environment & secrets No
  • ✓ Dynamic code execution No

From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.

View the full security report →

Verified badge

Passed review? Show it. Paste this badge into your README, it links to the public security report.

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[![AgentStack Verified](https://agentstack.voostack.com/badges/verified.svg)](https://agentstack.voostack.com/security/report/mcp-xiaok-etherscan-mcp)

Reliability & compatibility

✓ Security review passed
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○ stale · 1y ago

Declared compatibility

Claude CodeClaude DesktopCursorWindsurf

Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.

Preview Execution monitoring

We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.

How agent discovery & health will work →
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About

@xiaok/etherscan-mcp

[](https://smithery.ai/server/@xiaok/etherscan-mcp-server)

A dynamic MCP server for interacting with Etherscan's API and services.

Running Your Server

Test with mcp-cli

The fastest way to test and debug your server is with fastmcp dev:

npx fastmcp dev src/index.ts

This will run your server with mcp-cli for testing and debugging your MCP server in the terminal.

Inspect with MCP Inspector

Another way is to use the official MCP Inspector to inspect your server with a Web UI:

npx npx fastmcp inspect src/index.ts

FAQ

How to use with Claude Desktop?

Follow the guide https://modelcontextprotocol.io/quickstart/user and add the following configuration:

{
  "mcpServers": {
    "etherscan_mcp": {
      "command": "npx",
      "args": ["tsx", "/PATH/TO/YOUR_PROJECT/src/index.ts"],
      "env": {
        "ETHERSCAN_API_KEY": "********"
      }
    }
  }
}

API Doc

https://docs.etherscan.io/etherscan-v2

support chain list: https://docs.etherscan.io/etherscan-v2/getting-started/supported-chains

Please note that not all endpoints are supported by all chains. Please find support list here: https://forms.blockscan.com/public/grid/3E9QiN00NLhCQVibiP3Z-Bpqhmd7zGXsgapEKJupxiI

TODO

  1. support pro api

Source & license

This open-source MCP server is cataloged on AgentStack and links to its original source — we do not rehost the code.

Install and usage instructions live in the source repository linked above.

Reviews

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Versions

  • v0.1.0 Imported from the upstream source.

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