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How to connect Finnhub MCP with ChatGPT Work

Connect ChatGPT Work to Finnhub MCP. Get latest price for aapl, list company financials for tsla, and more using natural language, with authentication handled for you.

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Finnhub is a market data API delivering real-time quotes, company fundamentals, and financial news. Use it to power trading apps, research, alerts, and analytics with timely market intelligence.

11 Tools

How to connect Finnhub MCP with ChatGPT Work

ChatGPT Work is an agent inside ChatGPT built for your most ambitious work. It takes action across your apps and files, stays with a project for hours, and turns a goal into finished materials like sheets, slides, and docs - not just answers.

In this guide, I will explain the easiest and most secure way to connect your Finnhub account to ChatGPT Work via Composio Connect, so it can retrieve real-time quotes, fetch company financials, surface market news and indicators, and monitor securities info through natural language commands without ever putting your account credentials at risk.

Also integrate Finnhub with

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Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Finnhub integration lets ChatGPT Work 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 access to ChatGPT Work (rolling out across Pro, Enterprise, Edu, Plus, and Business plans). We will use the ChatGPT desktop app, which is available on every plan.
  • Access to the Finnhub 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 Finnhub to ChatGPT Work

1. Open the MCP settings

In ChatGPT Work, go to Settings and open the Plugins section. Inside the Plugins page, click the MCP tab.

ChatGPT Work settings showing the Plugins page with the MCP tab selected

2. Add the server

Click Add server. In the Name field enter Composio, for Type select Streamable HTTP, and in the URL field paste the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
ChatGPT Work Add server dialog with the name Composio, type Streamable HTTP, and the Composio MCP URL

Then click Save. The Composio server now appears in your MCP plugins list.

ChatGPT Work Plugins page showing the Composio MCP server added to the list

3. Authenticate

Click Authenticate, log in via Composio, and click Allow access to authorize ChatGPT Work to use your Composio account.

Composio login and Allow access screen for ChatGPT Work MCP setup

4. Start using Composio

That is it - Composio tools are now available in ChatGPT Work. Ask it to work with your Finnhub account and it will run the actions you authorize.

What you can do after connecting Finnhub

  • Get latest price for AAPL
  • List company financials for TSLA
  • Summarize today's market-moving news headlines

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 Work 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 Finnhub action and event your agent gets out of the box.

Get Company Financial Metrics

Get Finnhub's current key ratios and annual or quarterly metric series for one company.

Get Company Profile

Look up a company profile by exactly one ticker, ISIN, or CUSIP.

Get Market Status

Check whether an exchange is open now and identify its current session, timezone, or holiday.

Get Quote

Get the latest price snapshot for one Finnhub symbol.

Get Quotes

Get price snapshots for 1-10 Finnhub symbols in one tool call.

Get Reported Financials

Retrieve as-reported balance-sheet, cash-flow, and income-statement data for a company or filing.

List Calendar Events

List earnings releases or IPO events in an ordered date range.

List Earnings Results

List a company's recent actual versus estimated earnings and surprise values.

List SEC Filings

List SEC filing metadata; a ticker, CIK, or accession number is required, optionally filtered by form and an ordered date range.

Search News

Get broad market news by category or company-specific news for an ordered date range.

Search Symbols

Find tradable symbols by ticker, company name, ISIN, or CUSIP, optionally restricted to an exchange.

FRAMEWORKS

How to build Finnhub MCP Agent with another framework

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Claude Cowork

Use Finnhub MCP with Claude Cowork

Hermes logo

Hermes

Use Finnhub MCP with Hermes

FAQ

Frequently asked questions

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

Yes, you can. ChatGPT Work 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 Finnhub tools.

Yes, absolutely. You can configure which Finnhub 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 Finnhub data and credentials are handled as safely as possible.

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