AI agents call sleeper_trending_players to retrieve information from UnClick without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
type | string | — | add or drop |
limit | number | — | |
sport | string | — | |
lookback_hours | number | — |
Parameters from the server's own tool schema.
This tool queries and retrieves trending player information from the Sleeper fantasy sports platform. It performs no data modification, deletion, execution of external processes, or financial transactions. It is a simple data retrieval operation with no blast radius if misused by an AI agent—at worst, it would return redundant or cached information.
From the tool's definition Tool name 'sleeper_trending_players' and description 'Get trending players on Sleeper' indicate a read-only operation that retrieves publicly available trending player data without modification or side effects.
Attacks that exploit this kind of access
Get trending players on Sleeper. It is categorised as a Read tool in the UnClick MCP Server, which means it retrieves data without modifying state.
sleeper_trending_players accepts 4 parameters: type, limit, sport, lookback_hours. The full parameter table on this page comes from the server's own tool schema.
Register the UnClick MCP server in PolicyLayer and add a rule for sleeper_trending_players: 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 UnClick. Nothing to install.
sleeper_trending_players 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 sleeper_trending_players 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 sleeper_trending_players. 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.
sleeper_trending_players is provided by the UnClick MCP server (@unclick/mcp-server). 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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