Mozilla Observatory MCP Server: Install & Setup

Install Mozilla Observatory in Claude Code

Remote URL

Claude Code

claude mcp add --transport http mozilla-observatory https://gateway.pipeworx.io/mozilla-observatory/mcp

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

{
  "mcpServers": {
    "mozilla-observatory": {
      "url": "https://gateway.pipeworx.io/mozilla-observatory/mcp"
    }
  }
}

npm

Claude Code

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

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

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

Frequently asked questions

What does the Mozilla Observatory MCP server do?

MDN HTTP Observatory — grade any website's HTTP security headers and get the specific fixes, from…

Is the Mozilla Observatory 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 Mozilla Observatory run locally or remotely?

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

How do I add Mozilla Observatory to Claude Code?

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

More security & identity MCP servers

View all

Nationalize

pipeworx-io/mcp-nationalize

Nationalize MCP — nationality prediction from first name (nationalize.io, free, no auth)

Local + RemoteFree

Mitre Atlas

CSOAI-ORG/mitre-atlas-mcp

MITRE ATLAS — Adversarial Threat Landscape for AI Systems. Tactics + techniques for attacking AI...

LocalFree

Nemesis Shield Sdks

eobi/nemesis_shield_sdks

Positive-security for apps, APIs, LLMs and edge, plus fraud scoring and identity/AML screening.

LocalFree

METTLE

Creed-Space/METTLE

Experimental reverse CAPTCHA with signed badges and credentials. Not proof of identity or substrate.

LocalFree

Netallion MCP Lite

netallion/netallion-mcp-lite

Local secret & credential checks for AI-assisted dev — runs on your machine, results redacted.

LocalFree

Metabase MCP (headless)

Serdnaley/metabase-mcp

Headless Metabase MCP: API-key auth, no OAuth. 178 tools, toolsets, stdio or HTTP, all tiers.

LocalFree