xyz.gembook/gembook
Official3 toolsGembook — PSA Vintage Pokémon Prices & Pop
Neutral prices + PSA population for PSA-graded vintage Pokémon (WotC 1999–2003). Read-only.
Look up graded vintage Pokémon card prices and population data from PSA.
Captured live from the server via tools/list.
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.
Parameters (4)
- card_namestringrequired
Card name, e.g. 'Charizard'
- set_namestring
Set name to narrow, e.g. 'Base', 'Jungle', 'Neo Genesis'
- gradeinteger
PSA grade 1–10
- variantstring
Edition/variant to narrow, e.g. '1st Edition', 'Shadowless', 'Unlimited', 'Reverse Holo'
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).
Parameters (3)
- card_namestringrequired
Card name, e.g. 'Blastoise'
- set_namestring
Set name to narrow, e.g. 'Base'
- variantstring
Edition/variant to narrow, e.g. '1st Edition', 'Shadowless', 'Unlimited', 'Reverse Holo'
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.
No parameters.
README not available yet.
Install
claude_desktop_config.json
{
"mcpServers": {
"gembook": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://gembook.xyz/api/mcp/mcp"
]
}
}
}Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.