Get the achievement and stat schema for a Steam app. Returns achievement internal names, display names, descriptions, and icon URLs, plus stat definitions. Useful for mapping internal ACH_ names to human-readable names. Requires STEAM_API_KEY.
AI agents call steam_getSchemaForGame to retrieve information from Steam MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns structured metadata about achievements and stats for a game—a pure read operation with no side effects. It does not create, modify, delete, or execute any external operations. The blast radius of misuse is minimal, as an AI agent could at worst retrieve publicly available schema information repeatedly.
From the tool's definition Tool retrieves schema data: 'Get the achievement and stat schema for a Steam app. Returns achievement internal names, display names, descriptions, and icon URLs, plus stat definitions.' No modification, deletion, or execution of external operations.
Attacks that exploit this kind of access
Get the achievement and stat schema for a Steam app. Returns achievement internal names, display names, descriptions, and icon URLs, plus stat definitions. Useful for mapping internal ACH_ names to human-readable names. Requires STEAM_API_KEY. It is categorised as a Read tool in the Steam MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Steam MCP Server MCP server in PolicyLayer and add a rule for steam_getSchemaForGame: 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 Steam MCP Server. Nothing to install.
steam_getSchemaForGame 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 steam_getSchemaForGame 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 steam_getSchemaForGame. 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.
steam_getSchemaForGame is provided by the Steam MCP Server MCP server (tmhsdigital/steam-mcp). 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.
Teams ship this data inside their own products. See what a licence covers →