Get the positions used in the league with their counts and types
AI agents call get_positions 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 metadata about league positions (counts and types) with no side effects. It performs a simple data query operation consistent with other Read category tools on this read-only server. No data is created, modified, deleted, or financial operations are involved.
From the tool's definition Tool name 'get_positions' and description 'Get the positions used in the league with their counts and types' indicate data retrieval with no modification.
Attacks that exploit this kind of access
Get the positions used in the league with their counts and types. 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_positions: 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_positions 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_positions 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_positions. 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_positions 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.
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