Introduces a `data` tool that provides structured access to the Financial
Datasets API (financialdatasets.ai). Supports 18 finance actions covering
stock prices, financial statements, key metrics, SEC filings, analyst
estimates, insider trades, news, and crypto data.
Designed as a stable interface — the backend can be swapped from direct
API calls to a Multica Data Service without changing the tool schema.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>