INDIVIDUAL MCP TOOL

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).

gembook.xyznone authenticationAvailability not checked

LIVE ENDPOINT

https://gembook.xyz/api/mcp/mcp

No auth detected

Connect to this endpoint to inspect the live schema for lookup_card_price and invoke it with your own arguments.

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.gembook]
url = "https://gembook.xyz/api/mcp/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "gembook": {
      "type": "http",
      "url": "https://gembook.xyz/api/mcp/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: gembook
Remote MCP URL: https://gembook.xyz/api/mcp/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "gembook": {
      "url": "https://gembook.xyz/api/mcp/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "gembook": {
      "type": "http",
      "url": "https://gembook.xyz/api/mcp/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "gembook",
  "transport": "streamable-http",
  "url": "https://gembook.xyz/api/mcp/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

lookup_pop_report — Get the PSA population (number of slabs graded per grade) for a vintage Pokémon card across all grades.
get_methodology_summary — Returns a short summary of Gembook's valuation + trust methodology (what counts as a verified sale, confidence tiers, published error rates).