Openaq MCP Server: Install & Setup

Install Openaq in Claude Code

Remote URL

Claude Code

claude mcp add --transport http openaq https://openaq.caseyjhand.com/mcp

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

{
  "mcpServers": {
    "openaq": {
      "url": "https://openaq.caseyjhand.com/mcp"
    }
  }
}

npm

Claude Code

claude mcp add openaq -e OPENAQ_API_KEY=... -- npx -y @cyanheads/openaq-mcp-server

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

{
  "mcpServers": {
    "openaq": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/openaq-mcp-server"
      ],
      "env": {
        "OPENAQ_API_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Openaq MCP server do?

Find air-quality stations and read pollutant observations from government monitors via OpenAQ v3.

Is the Openaq MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Openaq run locally or remotely?

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

How do I add Openaq to Claude Code?

Run: claude mcp add --transport http openaq https://openaq.caseyjhand.com/mcp

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