How to connect Finviz MCP with ChatGPT

Connect ChatGPT to Finviz MCP. List top gainers in the last week, create watchlist for tech growth stocks, and more using natural language, with authentication handled for you.

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Finviz is a market screening and research service with an official API for ELITE subscribers. It helps traders and analysts quickly screen stocks, track market movers, and research tickers.

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How to connect Finviz MCP with ChatGPT

ChatGPT can take action across your apps and files, stay with a project for hours, and turn 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 Finviz account to ChatGPT via Composio Connect, so it can screen stocks, fetch quotes for tickers, retrieve company profiles, create watchlists, and set price alerts through natural language commands without ever putting your account credentials at risk.

Also integrate Finviz with

Why use Composio over default connectors?

  • Apps with read and write access. Default connectors mostly can read your data. Composio's Finviz integration lets ChatGPT take actions like creating drafts, sending updates, labeling records, and more.
  • 1,500+ 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

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 Finviz to ChatGPT

1. Install the Composio plugin

Click the button. ChatGPT opens the Composio plugin page. Click Install plugin.

Install in ChatGPT

Composio plugin page in ChatGPT with the Install plugin button

You can also find it inside ChatGPT: go to Settings, open Plugins, search the marketplace for Composio, and click Install plugin.

2. Authenticate

After you install, ChatGPT asks you to authenticate with Composio. Log in and click Allow access to authorize ChatGPT to use your Composio account.

Composio login and Allow access screen for ChatGPT

3. Start using Composio

That is it. Composio tools are now available in ChatGPT. Type @Composio followed by your request, for example @Composio find unread Finviz messages and summarize them, and it will run the actions you authorize. On first use it asks you to authorize Finviz.

Option 2: Add Composio as an MCP server

If you cannot use the plugin marketplace, add Composio as a custom MCP server instead.

1. Open the MCP settings

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

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

3. Authenticate

Click Authenticate on the Composio entry, log in via Composio, and click Allow access. Composio tools are then available in ChatGPT the same way as with the plugin.

What you can do after connecting Finviz

  • List top gainers in the last week
  • Create watchlist for tech growth stocks
  • Set price alerts for selected tickers

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 Finviz action and event your agent gets out of the box.

Get Options Chain

Return the options chain for one ticker, optionally restricted to an expiration date or strike price.

Get Portfolio

Return an existing Finviz portfolio using a configured portfolio URL or portfolio ID.

Get Stock History

Return OHLCV price history for one ticker at a selected bar timeframe and history range.

List Calendar

Return economic events, company earnings, or company dividends for an inclusive date range.

List Market Groups

Return aggregate Finviz market groups for a selected grouping and data view.

List Insider Transactions

Return recent market-wide or ticker-specific insider transactions, filtered to all transactions, purchases, or sales.

List Investor Holdings

Return a bounded prefix of one manager's or fund's complete unpaginated holdings export and report its full row count.

List Investors

Return the institutional-manager or fund directory, optionally narrowed by name.

List Latest Filings

Return the latest SEC filings for one ticker, optionally filtered by filing category and ordered by filing date, report date, or form.

List News

Return market, stock, ETF, or crypto news from Finviz.

Screen Stocks

Return stocks from a configured Finviz screener URL or explicit screener controls.

FAQ

Frequently asked questions

With a standalone Finviz MCP server, the agents and LLMs can only access a fixed set of Finviz tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Finviz 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 Finviz tools.

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

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