AI agents call get_owned_games to retrieve information from Mcp Steam without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves user gaming library information and playtime statistics. It is a straightforward query operation that reads existing data without creating, modifying, deleting, executing code, or committing financial obligations. The blast radius of misuse is minimal—an agent could only access the user's own game library data, which is not sensitive and poses no security risk.
From the tool's definition Tool name 'get_owned_games' and description 'Get your Steam game library with playtime stats' indicate pure data retrieval with no modification or side effects.
Attacks that exploit this kind of access
Get your Steam game library with playtime stats. It is categorised as a Read tool in the Mcp Steam MCP Server, which means it retrieves data without modifying state.
Register the Mcp Steam MCP server in PolicyLayer and add a rule for get_owned_games: 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 Mcp Steam. Nothing to install.
get_owned_games 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_owned_games 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_owned_games. 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_owned_games is provided by the Mcp Steam MCP server (obrien-matthew/mcp-steam). 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 →