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Ethereum Address Validator MCP Server

local only

Ethereum Address Validator runs on your own machine — the client starts it, so there is no endpoint to ping. 95 installs a week from pypi. Last commit 31 Oct 2026.

Validate Ethereum addresses, keys, checksums, keccak256 hashes, function selectors, ENS

Installs per day peak 22 · avg 11 · -6% w/w
a month agotoday
95
Installs / week
pypi · validation-mcp-server
28
Stars
0 open issues
31 Oct 2026
Last commit
from GitHub
—
License
HTML

What the code does

We read the source, 1 d ago · rules 995398eba69f

In the project's build, not in the package

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

Nothing serious here today

Today is the operative word: we check Ethereum Address Validator every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Three servers free · no card

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

run in your terminal
claude mcp add validation-mcp-server -- uvx validation-mcp-server
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "validation-mcp-server": {
      "command": "uvx",
      "args": [
        "validation-mcp-server"
      ]
    }
  }
}
~/.codex/config.toml
[mcp_servers.validation-mcp-server]
command = "uvx"
args = ["validation-mcp-server"]
.cursor/mcp.json
{
  "mcpServers": {
    "validation-mcp-server": {
      "command": "uvx",
      "args": [
        "validation-mcp-server"
      ]
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "validation-mcp-server": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "validation-mcp-server"
      ]
    }
  }
}

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Ethereum Address Validator — questions

Answers built from our own checks of this server.

Why is there no uptime for Ethereum Address Validator?
Ethereum Address Validator runs on your own machine over stdio — there is no network address to reach, so uptime cannot be measured for it by anyone. What can be measured is adoption: the pypi package validation-mcp-server was installed 95 times last week.
How do I connect Ethereum Address Validator?
Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It runs locally, so the command pulls validation-mcp-server straight from pypi; nothing to host, nothing to sign up for.
How many people use Ethereum Address Validator?
The pypi package validation-mcp-server was installed 95 times in the last week. Week over week that is -6%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.
Is Ethereum Address Validator open source?
We cannot say either way: written in HTML and 28 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.