Get the team key for the logged in user
AI agents call get_team_key to retrieve information from Yahoo Fantasy MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves a team identifier for the authenticated user—a simple data lookup with no capacity to modify, delete, or execute operations. It is purely informational and poses minimal risk if misused by an AI agent.
From the tool's definition Tool name 'get_team_key' and description 'Get the team key for the logged in user' indicate a retrieval operation.
Attacks that exploit this kind of access
Get the team key for the logged in user. It is categorised as a Read tool in the Yahoo Fantasy MCP MCP Server, which means it retrieves data without modifying state.
Register the Yahoo Fantasy MCP server in PolicyLayer and add a rule for get_team_key: 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 Yahoo Fantasy MCP. Nothing to install.
get_team_key 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_team_key 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_team_key. 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_team_key is provided by the Yahoo Fantasy MCP server (spilchen/yahoo_fantasy_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 →