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OptionWhales

Official registry Finance and payments

US options flow & stock data: unusual activity, gamma levels, IV, earnings. OAuth sign-in or keys.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http optionwhales 'https://api.optionwhales.io/mcp' --header 'X-API-Key: <OptionWhales API key (free or Pro). Optional: a small preview works without one, and agents can get a free key with the register_free_key tool.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "optionwhales": {
            "type": "http",
            "url": "https://api.optionwhales.io/mcp",
            "headers": {
                "X-API-Key": "<OptionWhales API key (free or Pro). Optional: a small preview works without one, and agents can get a free key with the register_free_key tool.>"
            }
        }
    }
}
Remote (streamable-http)
Claude Code 
claude mcp add --transport http optionwhales 'https://api.optionwhales.io/mcp/connect'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "optionwhales": {
            "type": "http",
            "url": "https://api.optionwhales.io/mcp/connect"
        }
    }
}

Frequently asked questions

What is OptionWhales?

US options flow & stock data: unusual activity, gamma levels, IV, earnings. OAuth sign-in or keys.

How do I install OptionWhales?

It runs as a remote server. In Claude Code: claude mcp add --transport http optionwhales 'https://api.optionwhales.io/mcp' --header 'X-API-Key: <OptionWhales API key (free or Pro). Optional: a small preview works without one, and agents can get a free key with the register_free_key tool.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does OptionWhales need an API key?

Yes. It expects X-API-Key, which you set in its configuration.

Who maintains OptionWhales?

It is published by io.optionwhales. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.