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).
AI agents call lookup_pop_report to retrieve information from Gembook — PSA Vintage Pokémon Prices & Pop without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
variant | string | — | Edition/variant to narrow, e.g. '1st Edition', 'Shadowless', 'Unlimited', 'Reverse Holo' |
set_name | string | — | Set name to narrow, e.g. 'Base' |
card_name | string | Yes | Card name, e.g. 'Blastoise' |
Parameters from the server's own tool schema.
This tool retrieves statistical information about PSA-graded Pokémon cards (how many cards have been graded at each grade level). It is a pure read operation that queries existing data with no side effects, modifications, or state changes. The low severity reflects minimal blast radius—retrieving publicly available grading statistics poses no security or operational risk.
From the tool's definition Tool description states 'Get the PSA population (number of slabs graded per grade)' and 'Read-only' in server description. The tool queries and retrieves data about PSA grading statistics with no modification, creation, or deletion of data.
Attacks that exploit this kind of access
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). It is categorised as a Read tool in the Gembook — PSA Vintage Pokémon Prices & Pop MCP Server, which means it retrieves data without modifying state.
lookup_pop_report accepts 3 parameters: variant, set_name, card_name. Required: card_name. The full parameter table on this page comes from the server's own tool schema.
Register the Gembook — PSA Vintage Pokémon Prices & Pop MCP server in PolicyLayer and add a rule for lookup_pop_report: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Gembook — PSA Vintage Pokémon Prices & Pop. Nothing to install.
lookup_pop_report is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the lookup_pop_report rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.
Set action: deny in the PolicyLayer policy for lookup_pop_report. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.
lookup_pop_report is provided by the Gembook — PSA Vintage Pokémon Prices & Pop MCP server (https://gembook.xyz/api/mcp/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
lookup_pop_report is one line of Gembook — PSA Vintage Pokémon Prices & Pop's registry record.
The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.
Teams ship this data inside their own products. See what a licence covers →