Search for player identity by name. Always returns identity fields, but ownership context varies by platform. ESPN and Yahoo return market/global ownership and can also populate league ownership fields when credentials and league context are available. Sleeper returns identity plus ownership_scop...
Risk signalsAccepts freeform code/query input (query)
Part of the Flaim Fantasy server.
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AI agents call get_players to retrieve information from Flaim Fantasy without modifying any data. This is common in research, monitoring, and reporting workflows where the agent needs context before taking action. Because read operations don't change state, they are generally safe to allow without restrictions -- but you may still want rate limits to control API costs.
Even though get_players only reads data, uncontrolled read access can leak sensitive information or rack up API costs. An agent caught in a retry loop could make thousands of calls per minute. A rate limit gives you a safety net without blocking legitimate use.
Read-only tools are safe to allow by default. No rate limit needed unless you want to control costs.
{
"version": "1",
"default": "deny",
"tools": {
"get_players": {}
}
}See the full Flaim Fantasy policy for all 9 tools.
These attack patterns abuse exactly the kind of access get_players gives an agent. Each links to the full case and the policy that stops it:
Other read tools across the catalogue. The same approach applies to each: allow, with a rate cap to control cost.
Search for player identity by name. Always returns identity fields, but ownership context varies by platform. ESPN and Yahoo return market/global ownership and can also populate league ownership fields when credentials and league context are available. Sleeper returns identity plus ownership_scope="unavailable" with market_percent_owned=null. Best used after get_user_session and often after get_league_info when the user cares about league-specific ownership or team-name resolution. League ownership fields: league_status ("ROSTERED" = on a team, "FREE_AGENT" = available, null = unavailable), league_team_name (fantasy team name if rostered), league_owner_name (team owner if rostered). When those league fields are absent, null, or unavailable, fall back to get_league_info + get_roster to verify manually. Use values from get_user_session. Read-only. If this call errors, do not repeat it unchanged. Current date is 2026-06-06.. It is categorised as a Read tool in the Flaim Fantasy MCP Server, which means it retrieves data without modifying state.
Register the Flaim Fantasy MCP server in PolicyLayer and add a rule for get_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 Flaim Fantasy. Nothing to install.
get_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 get_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 get_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.
get_players is provided by the Flaim Fantasy MCP server (https://api.flaim.app/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 9 Flaim Fantasy tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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