Get official rulings for a card by Scryfall UUID.
AI agents call get_rulings to retrieve information from Scryfall MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves existing Magic: The Gathering card rulings from the Scryfall API. It performs a data lookup operation with no side effects—it neither modifies data, executes code, deletes information, nor affects financial systems. The blast radius of misuse is minimal, as an AI agent could only retrieve irrelevant or redundant rulings data, causing no harm.
From the tool's definition Tool name 'get_rulings' and description 'Get official rulings for a card by Scryfall UUID' indicate retrieval of read-only game rule data with no modification, creation, deletion, or execution capabilities.
Attacks that exploit this kind of access
Get official rulings for a card by Scryfall UUID. It is categorised as a Read tool in the Scryfall MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Scryfall MCP Server MCP server in PolicyLayer and add a rule for get_rulings: 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 Scryfall MCP Server. Nothing to install.
get_rulings 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 get_rulings 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 get_rulings. 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.
get_rulings is provided by the Scryfall MCP Server MCP server (latte-chan/scryfall-connector). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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