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PhoneCheck

Official registry Other

Offline phone-number validation and formatting (E.164, region, line type). No carrier lookup.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http phonecheck 'https://phonecheck.mike-tusa.workers.dev/mcp' --header 'Authorization: <Optional. '\''Bearer <key>'\'' for higher limits. Works without a key.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "phonecheck": {
            "type": "http",
            "url": "https://phonecheck.mike-tusa.workers.dev/mcp",
            "headers": {
                "Authorization": "<Optional. 'Bearer <key>' for higher limits. Works without a key.>"
            }
        }
    }
}

Frequently asked questions

What is PhoneCheck?

Offline phone-number validation and formatting (E.164, region, line type). No carrier lookup.

How do I install PhoneCheck?

It runs as a remote server. In Claude Code: claude mcp add --transport http phonecheck 'https://phonecheck.mike-tusa.workers.dev/mcp' --header 'Authorization: <Optional. '\''Bearer <key>'\'' for higher limits. Works without a key.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does PhoneCheck need an API key?

Yes. It expects Authorization, which you set in its configuration.

Who maintains PhoneCheck?

It is published by dev.workers.mike-tusa.phonecheck. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.