{
  "$schema": "https://agentskills.io/schema/v0.2.0/index.json",
  "skills": [
    {
      "name": "iching_reading",
      "type": "api",
      "description": "API to fetch I-Ching divination snapshots",
      "url": "https://lab.quizzman.com/api/v1/snapshot/:hash",
      "sha256": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
    },
    {
      "name": "quizzman_calendar_convert",
      "type": "api",
      "description": "Deterministic solar↔lunar calendar (VN UTC+7 / CN UTC+8). Algorithms: Jean Meeus / Hồ Ngọc Đức new moon, VSOP87 solar terms, Can Chi, True Solar Time. Prefer about-calendar.md for grounding.",
      "url": "https://lab.quizzman.com/api/tool-module/calendar/solar-to-lunar",
      "docs": "https://lab.quizzman.com/tool/about-calendar.md",
      "openapi": "https://lab.quizzman.com/tool/calendar-openapi.json"
    },
    {
      "name": "quizzman_calendar_nasa_parity",
      "type": "api",
      "description": "Self-check VSOP87 λ☉ and New Moon against NASA/USNO sample points. Use to verify engine accuracy claims.",
      "url": "https://lab.quizzman.com/api/tool-module/calendar/astro/nasa-parity",
      "docs": "https://lab.quizzman.com/tool/astro-tools"
    },
    {
      "name": "quizzman_calendar_tet_divergence",
      "type": "api",
      "description": "Scan years where Vietnam and China Tết / lunar month starts diverge (same ephemeris, UTC+7 vs UTC+8 civil midnight).",
      "url": "https://lab.quizzman.com/api/tool-module/calendar/astro/tet-divergence?from=1960&to=2040",
      "docs": "https://lab.quizzman.com/tool/astro-tools"
    },
    {
      "name": "quizzman_calendar_true_solar_time",
      "type": "api",
      "description": "True Solar Time and hour Chi from civil clock + longitude (Equation of Time). Used by BaZi hour pillar.",
      "url": "https://lab.quizzman.com/api/tool-module/calendar/astro/true-solar-time",
      "docs": "https://lab.quizzman.com/tool/about-calendar.md"
    },
    {
      "name": "quizzman_calendar_day_sky",
      "type": "api",
      "description": "Day-sky snapshot for planetarium / solar terms (Sky Viewer). Response uses solarTerm.current.",
      "url": "https://lab.quizzman.com/api/tool-module/calendar/astro/day-sky",
      "docs": "https://lab.quizzman.com/tool/sky-viewer"
    }
  ]
}