You must bring your own market data credentials. Unlike a server that wraps a free public API, this one talks to a brokerage data provider on your behalf, so it needs a TRADIER_TOKEN, or an ALPACA_API_KEY_ID +…
options-chain-mcp source profile. From the maintainer documentation: “You must bring your own market data credentials. Unlike a server that wraps a free public API, this one talks to a brokerage data provider on your behalf, so it needs a TRADIER_TOKEN, or an ALPACA_API_KEY_ID + ALPACA_SECRET_KEY, in its environment. Free sandbox/paper accounts work fine — see Choosing a data provider. Started without credentials, the server exits immediately and prints which variable is missing.”
The documented npm package is options-chain-mcp. The configuration below comes from the maintainer’s example; adapt its paths and account values to your environment.
The example declares TRADIER_TOKEN. Secret-looking values have been replaced with placeholders. Required and optional labels are shown only when the documentation states them.
Project documentation · Repository · Discovery listing. This profile records the public documentation checked on 2026-10-08.
{
"mcpServers": {
"options-chain": {
"command": "npx",
"args": [
"-y",
"options-chain-mcp"
],
"env": {
"TRADIER_TOKEN": "YOUR_TRADIER_TOKEN"
}
}
}
}From the project documentation. Replace placeholders and example paths before connecting.
| Variable | Description | Required |
|---|---|---|
| TRADIER_TOKEN | Declared in the maintainer’s client configuration. | Check documentation |
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