← Registry

eCommerce

gembook.xyz

Provides valuations and population data for vintage Pokémon cards.

1 endpoint3 known toolsFirst detected July 25, 2026Last detected August 29, 2026

ENDPOINT 1

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

No auth detected

MCP server metadata

Name
gembook
Version
0.1.0
Capabilities
tools.listChanged
Server instructions

Gembook: neutral pricing + PSA population data for PSA-graded vintage Pokémon cards (WotC era, Base Set–Skyridge, 1999–2003). Read-only. Every price carries a confidence tier and verified-sale count; out-of-scope queries are declined rather than guessed. Methodology: https://gembook.xyz/methodology

Known 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).

Inferred read-only
lookup_pop_report

Get the PSA population (number of slabs graded per grade) for a vintage Pokémon card across all grades.

Inferred read-only
get_methodology_summary

Returns a short summary of Gembook's valuation + trust methodology (what counts as a verified sale, confidence tiers, published error rates).

Inferred read-only

CONNECT WITH APPROVAL

Client installation

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.

TRUST AND VERIFICATION EVIDENCE

Trust Data Available

BuiltWith Trust API v2 evidence for gembook.xyz was fetched 2026-07-28T23:30:17.870Z and is being refreshed.

Trust status Neutral

gembook.xyz is assessed as Neutral: No suspicious signals found, but no strong positive signal either

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.