# mcp

> mcp — uchecker-net-mcp. Use this tool when you need to validate email addresses, track validation tasks, and export cleaned email lists. It solves problems of email list hygiene and accuracy by verifying addresses through the UChecker API. The tool accepts input via stdio or streamable HTTP and outputs cleaned lists, making it ideal for data cleaning and preprocessing workflows.

Canonical page: https://skillsregistry.net/skills/uchecker-net-mcp  
JSON: https://api.skillsregistry.net/v1/skills/uchecker-net-mcp

## Description

MCP server for the UChecker email validation API — validate addresses, track tasks and export cleaned lists over stdio or streamable HTTP

## Trust

- **Trust score (0–1):** 0.85
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** container
- **Runtime environment:** vm
- **License:** MIT
- **Updated:** 2026-09-28

## Source

- **Source listing:** [GitHub](https://github.com/uChecker-net/mcp)

## 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": "uchecker-net-mcp"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/uchecker-net-mcp` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/uchecker-net-mcp/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