List agentdatafeed datasets (free): record counts, last update, prices and query parameters. Datasets: amsterdam-events (Use when a user asks what is on in Amsterdam on a date or in a district, plans travel, venues, staffing, security or deliveries around large events, or needs crowd sizes, road closures context or permit status before the event appears on ticket sites.) security-advisories (Use when a user asks whether a CVE is actively exploited, which vulnerabilities in a vendor or product to patch first, or needs CISA KEV due dates and FIRST EPSS exploit probability in one call.)