Mozilla Observatory MCP Server

by pipeworx-ioio.github.pipeworx-io/mozilla-observatoryv0.1.1

MDN HTTP Observatory — grade any website's HTTP security headers and get the specific fixes, from Mozilla's public scanner.

0Node.jsstdioremoteofficial registry

context tax

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security

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cold start

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freshness

Active13d ago

Install Mozilla Observatory MCP server

claude mcp add mozilla-observatory -- npx -y @pipeworx/mcp-mozilla-observatory

{
  "mcpServers": {
    "mozilla-observatory": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-mozilla-observatory"
      ]
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "mozilla-observatory": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-mozilla-observatory"
      ]
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "mozilla-observatory": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-mozilla-observatory"
      ]
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "mozilla-observatory": {
      "command": "npx",
      "args": [
        "-y",
        "@pipeworx/mcp-mozilla-observatory"
      ]
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Remote endpoints

streamable-httphttps://gateway.pipeworx.io/mozilla-observatory/mcp

Freshness

Active — last maintenance signal 13d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-26 · 13d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-26 · 13d ago · official registry · v0.1.1

FAQ

›How do I install the Mozilla Observatory MCP server in Claude Code?

Run: claude mcp add mozilla-observatory -- npx -y @pipeworx/mcp-mozilla-observatory. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Mozilla Observatory require an API key?

No required environment variables are declared in its published metadata.

›Can I use Mozilla Observatory as a remote (hosted) MCP server?

Yes — it offers both a hosted endpoint and a local stdio package.

›Is Mozilla Observatory in the official MCP registry?

Yes, as io.github.pipeworx-io/mozilla-observatory.