How to Use the IEX Cloud MCP in Windsurf

Q: Can I inspect historical trends using this integration?

Yes, Windsurf uses the getstockchart tool on this MCP Server to pull historical price arrays. Cascade can then process this raw array data to write custom charting scripts or calculate moving averages in your workspace.

Get real-time stock data and financial metrics directly inside Windsurf so Cascade can build trading tools autonomously.

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Connect IEX Cloud MCP to Windsurf

Create your Vinkius account to connect IEX Cloud to Windsurf and route execution through our secure gateway. The platform manages server hosting, runtime updates, and security layers. Configuration requires no manual server provisioning.

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Setup IEX Cloud with Windsurf

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Feed live market rates to Windsurf

Windsurf uses this setup to let Cascade autonomously pull live equity prices with `get_stock_quote` and `get_crypto_quote` without waiting for manual commands. Cascade automatically reads these raw IEX Cloud data payloads to update your local files. When you ask Windsurf to update a portfolio, Cascade fires off these specific financial tools to write updated stock valuations straight into your open files. You skip manual API lookups because Cascade handles the IEX Cloud query chain on its own.

Analyze company health with this MCP Server

This server lets Windsurf query `get_stock_financials` and `get_stock_stats` so Cascade can inspect balance sheets inside your workspace. Cascade chains these specific IEX Cloud tools to compare competitor metrics and write complete markdown profiles. You just give Windsurf a list of tickers, and Cascade pulls the historical charts with `get_stock_chart` to format the findings directly in your active editor. This direct integration lets Cascade map out historical IEX Cloud data trends on the fly.

Track broader market movements

Windsurf monitors global market shifts by calling `get_sector_performance` and `get_stock_news` to track breaking financial headlines. Cascade processes these live IEX Cloud feeds to flag sudden price movements inside your code comments. Cascade can also check `get_treasury_yield` to factor interest rate changes directly into your Windsurf financial models. Windsurf processes this specific IEX Cloud data to keep your local trading strategies aligned with macro indicators.

Setup guide

Set up IEX Cloud MCP in Windsurf

Prerequisites

Windsurf IDE installed (macOS, Windows, or Linux)
Active Vinkius subscription with a valid endpoint token

1

Open MCP configuration

Click the Cascade assistant icon in the sidebar, then click the hammer icon (🔨) at the top of the panel. Select "Configure" to open ~/.codeium/windsurf/mcp_config.json.
2

Add the IEX Cloud MCP

Paste the JSON snippet shown on the right into the mcpServers object. Replace [YOUR_TOKEN_HERE] with your endpoint token from cloud.vinkius.com.
3

Refresh MCPs

Go back to the hammer icon (🔨) in Cascade and click "Refresh". Windsurf will detect the new server. No full restart is needed — the connection is hot-reloaded.
4

Verify in Cascade

Start a new Cascade conversation and ask something like "Show my IEX Cloud payment history." If connected, Cascade will call the IEX Cloud tools directly. You will see a green dot next to the server name in the MCP panel.

mcp_config.json

{
  "mcpServers": {
    "iex-cloud-mcp": {
      "url": "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp"
    }
  }
}

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Common questions about IEX Cloud MCP in Windsurf

Open Settings in Windsurf, navigate to Cascade, and find the MCP Servers UI to paste your Vinkius endpoint token. Alternatively, open your local `~/.codeium/windsurf/mcp_config.json` file and drop the server configuration under the mcpServers key.

Yes, Cascade autonomously chains multiple API calls together inside Windsurf. If you ask it to evaluate a stock, it will first run `get_stock_quote` for the price, then check `get_stock_financials` for the balance sheet, and output a complete report.

Vinkius manages the proxy connection, but Cascade respects the API limits by only calling tools when your prompt demands it. If you ask Windsurf to fetch data for 50 stocks, Cascade executes the calls sequentially to prevent rate spikes.

Yes, Windsurf uses the `get_stock_chart` tool on this MCP Server to pull historical price arrays. Cascade can then process this raw array data to write custom charting scripts or calculate moving averages in your workspace.

Your stock tickers, crypto queries, and portfolio details are processed inside an ephemeral, zero-trust V8 Isolate sandbox. Vinkius never stores the financial data payloads returned by the endpoints, keeping your proprietary trading ideas private.

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