Gembook — PSA Vintage Pokémon Prices & Pop

xyz.gembook/gembook

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

healthy

status

tools exposed

605ms

connect latency

34b27335231d

schema fingerprint

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. S

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.

Endpoint

https://gembook.xyz/api/mcp/mcp
Category: Dev & Git · Last checked: 2026-07-30T14:04:22Z

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