Username Inspector MCP Server

Install Username Inspector MCP server

claude mcp add --transport http username-inspector https://usernameinspector.com/api/mcp

{
  "mcpServers": {
    "username-inspector": {
      "url": "https://usernameinspector.com/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "username-inspector": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://usernameinspector.com/api/mcp"
      ]
    }
  }
}

{
  "servers": {
    "username-inspector": {
      "type": "http",
      "url": "https://usernameinspector.com/api/mcp"
    }
  }
}

{
  "mcpServers": {
    "username-inspector": {
      "serverUrl": "https://usernameinspector.com/api/mcp"
    }
  }
}

Context tax

Connecting this server adds ~564 tokens of tool definitions to every model turn (lean, 2 tools). Measured 2026-10-19 via its hosted endpoint; o200k tokenizer, worst case for clients that load all tools up front. How we measure

Input prices as of 2026-10-06. Excludes your own prompt and output.

Tools (2)

• compare_fees191 tok

  Compare what a US sale keeps after fees on 7 platforms. Example: price=45, item_cost=12 ranks platforms by profit.

• check_username176 tok

  Check if ONE username is free on 12 resale platforms. Example: username='vintage_finds' returns available, taken, or unverified per platform.

Security signals

100/100 — no known issues found as of 2026-10-19, from the checks below. This is not a guarantee of safety; review what a server can do before connecting it.

Scan it yourself before installing with vectra-guard, the open-source agent security CLI. Scoring rules

Freshness

Active — last maintenance signal 5d ago. The newest of the signals below sets the band.

1. Last commit (default branch)

   2026-10-14 · 5d ago · GitHub

2. Latest release

   no data · GitHub

3. Package published

   no data · npm/PyPI

4. Registry entry updated

   2026-10-10 · 8d ago · official registry · v1.1.0