How to integrate Openweather api MCP with ChatGPT

How to integrate Openweather api MCP with ChatGPT ChatGPT is one of the most popular AI tools today, with capabilities ranging from deep research and image generation to writing, coding, and everyday productivity. In this guide, I will explain the easiest and most secure way to connect your Openweather api account to ChatGPT via Composio Connect, so it can summarize unread updates from this morning, create draft replies to urgent messages, fetch contact details for recent senders, and more without ever putting your account credentials at risk.

Get started for freeGet a demo
Openweather api logoOpenweather api
Api Key

Openweather api provides global weather data, forecasts, and climate history. Instantly access accurate, location-based weather insights for any app or workflow.

21 Tools

How to integrate Openweather api MCP with ChatGPT

ChatGPT is one of the most popular AI tools today, with capabilities ranging from deep research and image generation to writing, coding, and everyday productivity.

In this guide, I will explain the easiest and most secure way to connect your Openweather api account to ChatGPT via Composio Connect, so it can summarize unread updates from this morning, create draft replies to urgent messages, fetch contact details for recent senders, and more without ever putting your account credentials at risk.

Also integrate Openweather api with

OpenAI Agents SDKClaude Agent SDKClaude CodeClaude CoworkCodexOpenCodeCursorVS CodeOpenClawHermesCLIGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAI

Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Openweather api integration lets ChatGPT take actions like creating drafts, sending updates, labeling records, and more.
  • 1,000+ SaaS toolkits out of the box. Composio gives you instant access to a vast catalog of pre-built connectors, from Gmail and Slack to Notion, Linear, and Salesforce.
  • One MCP server for every app. Connect any of your applications on demand through a single endpoint, rather than juggling a separate server for each app.
  • Smart, context-aware tool loading. Unlike traditional MCP servers that dump every available tool into the LLM context window, Composio searches for and loads only the tools relevant to the task at hand.
  • Cross-app automation. Chain actions across multiple apps in a single run - fetch a thread, summarize it in Notion, and post highlights to Slack without leaving the conversation.

Prerequisites

  • A ChatGPT account with Plus subscription or higher (Business, Enterprise, Edu, or Pro). We will use ChatGPT Web.
  • Access to the Openweather api workspace you want to connect.
  • Composio MCP.

Note: Composio connects through OAuth. You will be asked to sign in and approve specific permissions. Review the permission screen carefully if you are using a work account.

Step-by-step: Connect Openweather api to ChatGPT

1. Enable Developer Mode

In ChatGPT, go to Settings > Apps > Advanced settings and turn on Developer Mode.

ChatGPT settings showing Developer Mode toggle

2. Add the MCP server

Click Create app, then paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT create app flow with Composio MCP URL

3. Authorize in your browser

A browser window will open automatically. Sign in to authorize ChatGPT to access your Composio account.

Composio authorization screen for ChatGPT MCP setup

4. Start using Composio

Composio tools are now available in ChatGPT chats and Deep Research. In every new chat, click the + icon at the bottom, click More, and select Composio to enable tools for that conversation.

What you can do after connecting Openweather api

  • Get current weather in Paris right now
  • Show 5-day forecast for San Francisco
  • Check today's air quality in New Delhi
  • Find UV index for Miami this afternoon

Security + privacy notes (important)

  • Use least-privilege access: Only grant permissions you actually need.
  • Review OAuth permissions before approving: Make sure requested scopes match what you expect Composio and ChatGPT to do.
  • Keep write actions human-reviewed: For actions like sending messages, creating labels, or editing drafts, keep manual confirmation enabled.
  • Be careful with sensitive data: Avoid using this setup with highly sensitive information unless allowed by your personal, company, or client policies.
TOOLS

Supported Tools

Every Openweather api action and event your agent gets out of the box.

Delete Weather Station

Tool to delete a registered weather station.

Get 5 Day Forecast

Tool to get a 5-day forecast every 3 hours (up to 40 UTC timestamps).

Get Current Air Pollution Data

Tool to fetch current air pollution data for a location.

Get Air Pollution Forecast

Tool to get forecasted air pollution data for a specific location.

Get Air Pollution History

Tool to retrieve historical air pollution data.

Get Circle City Weather

Tool to search for current weather data in cities around a geographic point.

Get Current Weather

Tool to retrieve current weather data for a location.

Get Geocoding by Zip Code

Tool to convert zip/post code into geographic coordinates.

Get Direct Geocoding

Tool to convert a location name into geographic coordinates.

Get Reverse Geocoding

Tool to convert geographic coordinates into a location name.

Get Station Measurements

Tool to retrieve aggregated measurements from a weather station with minute, hour, or day granularity.

Get Current UV Index

Tool to retrieve current UV index for a location.

Get UV Index Forecast

Tool to retrieve UV index forecast for a specific location.

Get UV Index History

Tool to retrieve historical UV index data for a specified location and time range.

Get Weather Map Tile (2.0)

Tool to fetch Weather Maps 2.

Get Weather Station

Tool to get information about a specific weather station by its ID.

Get Weather Stations

Tool to list all weather stations added to your account.

Get Weather Triggers

Tool to retrieve weather triggers for specific conditions.

Add Weather Station

Tool to add a new weather station to your account.

Submit Station Measurements

Tool to submit weather measurements from a registered station.

Update Weather Station

Tool to update weather station details.

FRAMEWORKS

How to build Openweather api MCP Agent with another framework

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Openweather api MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Openweather api MCP with Claude Agent SDK

Claude Code logo

Claude Code

Use Openweather api MCP with Claude Code

Claude Cowork logo

Claude Cowork

Use Openweather api MCP with Claude Cowork

Codex logo

Codex

Use Openweather api MCP with Codex

Cursor logo

Cursor

Use Openweather api MCP with Cursor

OpenClaw logo

OpenClaw

Use Openweather api MCP with OpenClaw

Hermes logo

Hermes

Use Openweather api MCP with Hermes

CLI logo

CLI

Use Openweather api MCP with CLI

Google ADK logo

Google ADK

Use Openweather api MCP with Google ADK

LangChain logo

LangChain

Use Openweather api MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Openweather api MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Openweather api MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Openweather api MCP with LlamaIndex

CrewAI logo

CrewAI

Use Openweather api MCP with CrewAI

OpenCode logo

OpenCode

Use Openweather api MCP with OpenCode

VS Code logo

VS Code

Use Openweather api MCP with VS Code

FAQ

Frequently asked questions

With a standalone Openweather api MCP server, the agents and LLMs can only access a fixed set of Openweather api tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Openweather api and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. ChatGPT fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Openweather api tools.

Yes, absolutely. You can configure which Openweather api scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Openweather api data and credentials are handled as safely as possible.

Start with Openweather api.It takes 30 seconds.

Managed auth, hosted MCP servers, and every Openweather api tool your agent needs.Free to start.

Start building
Customer stories

Teams ship real agents on Composio

GET STARTED FOR FREEBOOK A DEMO
agent.aiZoomLettaGleanHubSpotAWSWabi

Karan skipped his own birthday party to fix our critical issue. It was 10pm and he diverted his Waymo to help us instead. This really sets the bar — it shows the commitment you need when users rely on your software.

Harsha Gaddipati
Harsha Gaddipati
Co-founder, Slashy

A lot of students tell us that the moment their connected tools start talking to each other inside Opennote feels almost magical. The agent just knows them, and it's immensely helped keep new users on the platform.

Abhi Arya
Abhi Arya
Co-founder, Opennote

We chose Composio over Pipedream because it delivered depth where it mattered — niche tools and tricky edge cases other platforms simply ignored. That gave us confidence to scale without compromising.

Nirman Dave
Nirman Dave
CEO, Zams

As a solo builder, shipping fast is life or death. The only way I can outcompete incumbents is by outmanoeuvring them. Getting bogged down managing agent auth would have been a death sentence.

Ryan Yu
Ryan Yu
Founder, Extra Thursday

Before Composio, adding tool integrations was slow and resource-intensive. Each one could take weeks of engineering time, and maintaining them meant constantly keeping up with API changes.

Tomisin Jenrola
Tomisin Jenrola
Founder & CEO, SwarmZero

With hands-on help from their founder, we integrated Gmail and Google Drive in just 30 minutes. This level of personal support and commitment is exactly what startups should strive for.

Jerome Leclanche
Jerome Leclanche
Co-Founder, Ingram Technologies