MCP server

Openaq

io.github.pipeworx-io/openaq

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

OpenAQ MCP — global air-quality measurements via the OpenAQ v3 API.

Working at last checkOfficial: pipeworx.io's GitHub account (pipeworx-io)About 27,554 tokens per request once connected46 tools

https://gateway.pipeworx.io/openaq/mcp

At a glance

Type: MCP server
Publisher: pipeworx.io (verified by the MCP Registry)
Status: Working at last check
Tools: 46
Token cost: About 27,554 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

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

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.openaq]
url = "https://gateway.pipeworx.io/openaq/mcp"

Gemini CLI

{"mcpServers":{"openaq":{"httpUrl":"https://gateway.pipeworx.io/openaq/mcp"}}}

Cursor

{"mcpServers":{"openaq":{"url":"https://gateway.pipeworx.io/openaq/mcp"}}}

VS Code

{"servers":{"openaq":{"type":"http","url":"https://gateway.pipeworx.io/openaq/mcp"}}}

Antigravity

agy mcp add openaq https://gateway.pipeworx.io/openaq/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"openaq","server_url":"https://gateway.pipeworx.io/openaq/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"openaq","server_url":"https://gateway.pipeworx.io/openaq/mcp"}

air_quality_near ~277 tokens
Get the latest air-quality readings (PM2.5, PM10, O3, NO2, SO2, CO, etc.) at the monitoring station NEAREST to a latitude/longitude. PREFER for "air quality near me", "what is the air quality at <coordinates>", "is the air bad in <place> right now". Returns the nearest station with its most recent p
find_stations ~481 tokens
Find OpenAQ air-quality monitoring stations by location: a city or place name, coordinates+radius (nearest first), a country (ISO 3166-1 alpha-2 code), or a bounding box. Returns station id, name, country, coordinates, and the pollutants each measures (with sensor ids), plus resolved_place echoing t
get_latest ~166 tokens
Get the latest reading for every pollutant at a specific OpenAQ station (by location id from find_stations). Returns each parameter (PM2.5, O3, NO2, etc.) with its value, units, and measurement time.
get_measurements ~327 tokens
Get the most recent time series (hourly or daily aggregates) for a single OpenAQ sensor (sensor id from find_stations), newest first. Use for pollutant trends over time at one station/parameter. Returns the sensor's LAST `limit` readings — note that many OpenAQ sensors are archived and stopped repor

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