Local + RemoteFree

Crtsh MCP server

pipeworx-io/mcp-crtsh

crt.sh — Certificate Transparency log search

0 GitHub stars

Install Crtsh in Claude Code

Remote URL

Claude Code
claude mcp add --transport http crtsh https://gateway.pipeworx.io/crtsh/mcp
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "crtsh": {
      "url": "https://gateway.pipeworx.io/crtsh/mcp"
    }
  }
}

npm

Claude Code
claude mcp add crtsh -- npx -y @pipeworx/mcp-crtsh
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "crtsh": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-crtsh"
      ]
    }
  }
}

Frequently asked questions

What does the Crtsh MCP server do?

crt.sh — Certificate Transparency log search

Is the Crtsh 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 Crtsh run locally or remotely?

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

How do I add Crtsh to Claude Code?

Run: claude mcp add --transport http crtsh https://gateway.pipeworx.io/crtsh/mcp

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