# Ethereum Address Validator

> Use this tool when you need to verify the authenticity and correctness of Ethereum addresses, keys, and related cryptographic components. It solves problems related to transaction errors, wallet integration, and smart contract interactions by validating inputs such as addresses, checksums, and hashes. It takes in strings and hexadecimal values, and outputs validation results, helping ensure secure and accurate Ethereum transactions.

Canonical page: https://skillsregistry.net/skills/io-github-nirholas-validation-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/io-github-nirholas-validation-mcp-server

## Description

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

## Trust

- **Trust score (0–1):** 0.82
- **Verification tier:** unverified

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** finance
- **Updated:** 2026-09-02

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.github.nirholas%2Fvalidation-mcp-server)
- **Repository:** <https://github.com/nirholas/ethereum-wallet-toolkit>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "io-github-nirholas-validation-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/io-github-nirholas-validation-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/io-github-nirholas-validation-mcp-server/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt