xyz.gembook/gembook

Gembook — PSA Vintage Pokémon Prices & Pop

Neutral prices + PSA population for PSA-graded vintage Pokémon (WotC 1999–2003). Read-only.

0.1.0
Version
remote
Transport
3
Tools

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Tools (3)

  • lookup_card_price

    Get Gembook's fair-value estimate (USD) for a PSA-graded vintage Pokémon card (WotC era, Base Set through Skyridge, 1999–2003). Returns fair value, range, confidence tier, comp count, and the card page URL. Call this when a user asks what a vintage Pokémon card is worth or whether a price is fair. Scope is PSA-graded vintage Pokémon ONLY — other graders, eras, or TCGs are out of scope.

  • lookup_pop_report

    Get the PSA population (number of slabs graded per grade) for a vintage Pokémon card across all grades. Call this when a user asks how rare a PSA grade is for a card. Scope: PSA-graded vintage Pokémon (Base Set through Skyridge).

  • get_methodology_summary

    Returns a short summary of Gembook's valuation + trust methodology (what counts as a verified sale, confidence tiers, published error rates). Call this when a user asks how the prices are computed or whether they can be trusted.