# How to integrate Finviz MCP with Atomic Agent

```json
{
  "title": "How to integrate Finviz MCP with Atomic Agent",
  "toolkit": "Finviz",
  "toolkit_slug": "finviz",
  "framework": "Atomic Agent",
  "framework_slug": "atomic-agent",
  "url": "https://composio.dev/toolkits/finviz/framework/atomic-agent",
  "markdown_url": "https://composio.dev/toolkits/finviz/framework/atomic-agent.md",
  "updated_at": "2026-09-12T05:34:23.487Z"
}
```

## Introduction

Atomic Agent is an open-source AI agent that runs on your machine and supports local models through llama.cpp. Connect it to 1,500+ apps through Composio, including Finviz.
This guide uses Atomic Agent's built-in Composio integration. You need Atomic Agent v0.5.6 or later, your own Composio API key, and a Finviz account. See the [Atomic Agent documentation](https://atomicagent.io/docs/?cta_placement=atomic-agent-docs) for installation instructions.

## Also integrate Finviz with

- [ChatGPT](https://composio.dev/toolkits/finviz/framework/chatgpt)
- [Claude Cowork](https://composio.dev/toolkits/finviz/framework/claude-cowork)
- [Hermes](https://composio.dev/toolkits/finviz/framework/hermes-agent)

## TL;DR

### How Atomic Agent connects to Finviz
Atomic Agent connects to Composio's Tool Router over Streamable HTTP MCP. It discovers the tools needed for your request, and Composio handles account authentication.
Execution and account-connection tools follow Atomic Agent's configured approval policy. Review any approval prompt before allowing an action on your connected account.

## Connect Finviz to Atomic Agent

### Connect Finviz to Atomic Agent
- Sign up or sign in to the [Composio dashboard](https://dashboard.composio.dev/?cta_placement=atomic-agent-api-key). Copy your API key.
- In Atomic Agent, open the Integrations tab and select Composio. Select API key, press e, paste the key, and press Enter. The tools become available immediately, without a restart.
- Ask Atomic Agent to do something in Finviz. It searches Composio for the right tool.
- On first use, open the sign-in link returned in the chat. Connect your Finviz account, then return to Atomic Agent to continue.
### Headless setup
Add the following line to ~/.atomic-agent/.env, replacing YOUR_COMPOSIO_API_KEY with your key. Start Atomic Agent after saving the file.

```bash
COMPOSIO_API_KEY=YOUR_COMPOSIO_API_KEY
```

## What is the Finviz MCP server, and what's possible with it?

The Finviz MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Finviz account. It provides structured and secure access so your agent can perform Finviz operations on your behalf.

## Supported Tools

| Tool slug | Name | Description |
|---|---|---|
| `FINVIZ_GET_OPTIONS_CHAIN` | Get Options Chain | Return the options chain for one ticker, optionally restricted to an expiration date or strike price. Results use the export's dynamic columns and preserve all CSV values as strings. The response includes a bounded record prefix and the full export row count. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |
| `FINVIZ_GET_PORTFOLIO` | Get Portfolio | Return an existing Finviz portfolio using a configured portfolio URL or portfolio ID. Explicit fields override values parsed from portfolio_url. The response preserves CSV values as strings and includes a bounded record prefix and the full export row count. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |
| `FINVIZ_GET_STOCK_HISTORY` | Get Stock History | Return OHLCV price history for one ticker at a selected bar timeframe and history range. Finviz does not support every timeframe and range combination. CSV values, including prices and volume, are preserved as strings. The response includes a bounded record prefix and the full export row count. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |
| `FINVIZ_LIST_CALENDAR` | List Calendar | Return economic events, company earnings, or company dividends for an inclusive date range. Select the calendar with calendar_type. Results preserve dynamic CSV columns and string values and include a bounded record prefix plus the matching row count. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |
| `FINVIZ_LIST_GROUPS` | List Market Groups | Return aggregate Finviz market groups for a selected grouping and data view. Results use the export's dynamic columns and preserve all CSV values as strings. The response includes a bounded record prefix and the full export row count. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |
| `FINVIZ_LIST_INSIDER_TRANSACTIONS` | List Insider Transactions | Return recent market-wide or ticker-specific insider transactions, filtered to all transactions, purchases, or sales. Results preserve numeric-looking values and SEC links exactly as strings. The response includes a bounded record prefix and the full export row count. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |
| `FINVIZ_LIST_INVESTOR_HOLDINGS` | List Investor Holdings | Return a bounded prefix of one manager's or fund's complete unpaginated holdings export and report its full row count. Select the resource with investor_type and pass its Investor ID or combined slug. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |
| `FINVIZ_LIST_INVESTORS` | List Investors | Return the institutional-manager or fund directory, optionally narrowed by name. Records preserve Investor ID for FINVIZ_LIST_INVESTOR_HOLDINGS. max_records returns a bounded prefix, and Finviz may cap the export itself, so the result is not guaranteed to be an exhaustive directory. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |
| `FINVIZ_LIST_LATEST_FILINGS` | 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. Results preserve all CSV cells, including filing and document links, exactly as strings. The response includes a bounded record prefix and the full export row count. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |
| `FINVIZ_LIST_NEWS` | List News | Return market, stock, ETF, or crypto news from Finviz. Stock and ETF feeds can optionally be restricted to one ticker; market and crypto feeds are market-wide. Results use the export's dynamic CSV header and preserve every cell as a string. The response includes a bounded record prefix and the full export row count. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |
| `FINVIZ_SCREEN_STOCKS` | Screen Stocks | Return stocks from a configured Finviz screener URL or explicit screener controls. Explicit fields override values parsed from screener_url. Unknown filter codes may be silently ignored. The response preserves CSV values as strings and includes a bounded record prefix and the full export row count. A truncated response has no continuation page. Requests are paced only within one worker; external callers and multi-worker runners must serialize Finviz requests. |

## Supported Triggers

None listed.

## Troubleshooting

### Why is my API key rejected?

Copy the key directly from the Composio dashboard. Atomic Agent requires ASCII characters because it sends the key in an HTTP header. Remove any extra characters introduced when copying.

### Why are Composio tools unavailable after saving a key?

Check that you use Atomic Agent v0.5.6 or later and that Composio is enabled in your configuration. A "composio": { "enabled": false } setting disables the integration while keeping the saved key on disk.

### Does Composio have a free plan?

The Hobby plan includes 100,000 tool calls per month. Composio-managed OAuth apps have a lower included allowance. See [Composio pricing](/pricing) for the current limits that apply to your connection.

## Complete Code

None listed.

## Conclusion

### Use Finviz from Atomic Agent
With your account connected, ask Atomic Agent to work with Finviz in natural language. You can connect more apps through the same Composio integration as you need them.
Visit the [Atomic Agent website](https://atomicagent.io/?cta_placement=atomic-agent-site) or inspect the [Atomic Agent source code](https://github.com/AtomicBot-ai/atomic-agent?cta_placement=atomic-agent-repo).

## How to build Finviz MCP Agent with another framework

- [ChatGPT](https://composio.dev/toolkits/finviz/framework/chatgpt)
- [Claude Cowork](https://composio.dev/toolkits/finviz/framework/claude-cowork)
- [Hermes](https://composio.dev/toolkits/finviz/framework/hermes-agent)

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## Frequently Asked Questions

### What are the differences in Tool Router MCP and Finviz MCP?

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.

### Can I use Tool Router MCP with Atomic Agent?

Yes, you can. Atomic Agent 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.

### Can I manage the permissions and scopes for Finviz while using Tool Router?

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.

### How safe is my data with Composio Tool Router?

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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