Circl Vulnerability Lookup MCP Server: Install & Setup

Install Circl Vulnerability Lookup in Claude Code

Remote URL

Claude Code

claude mcp add --transport http circl-vulnerability-lookup https://gateway.pipeworx.io/circl-vulnerability-lookup/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "circl-vulnerability-lookup": {
      "url": "https://gateway.pipeworx.io/circl-vulnerability-lookup/mcp"
    }
  }
}

npm

Claude Code

claude mcp add circl-vulnerability-lookup -- npx -y @pipeworx/mcp-circl-vulnerability-lookup

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "circl-vulnerability-lookup": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-circl-vulnerability-lookup"
      ]
    }
  }
}

Frequently asked questions

What does the Circl Vulnerability Lookup MCP server do?

CIRCL Vulnerability-Lookup — aggregated vulnerability records

Is the Circl Vulnerability Lookup MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Circl Vulnerability Lookup run locally or remotely?

Local + Remote. Can run locally or be used as a hosted remote server.

How do I add Circl Vulnerability Lookup to Claude Code?

Run: claude mcp add --transport http circl-vulnerability-lookup https://gateway.pipeworx.io/circl-vulnerability-lookup/mcp

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