https://longx.beehiiv.com/ 2026-10-16 https://longx.beehiiv.com/archive 2026-10-19 https://longx.beehiiv.com/authors 2026-10-19 https://longx.beehiiv.com/subscribe 2026-10-16 https://longx.beehiiv.com/authors/longx-miles 2026-10-16 https://longx.beehiiv.com/p/longx-weekly-1 2026-10-19 LongX en 2026-10-19T04:14:08Z longx Weekly #1: 12 new Agent Skills + price tracker now sourced from official docs