Discover ACTIVE public beacons (players broadcasting presence/availability) — for find-my-group / matchmaking. Filter by course_id, region, mode. Requires OPENGOLFAPI_KEY.
AI agents call find_beacons to retrieve information from OpenGolfAPI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs data retrieval operations only—discovering and filtering publicly broadcast player availability information. It has no ability to modify, delete, or execute operations. The data retrieved is explicitly described as public and meant for matchmaking purposes. Users have already opted to broadcast their presence, making this a read-only query operation with minimal security risk.
From the tool's definition Discover ACTIVE public beacons (players broadcasting presence/availability) — for find-my-group / matchmaking. Filter by course_id, region, mode.' The tool retrieves and queries beacon data with no modification capability.
Attacks that exploit this kind of access
Discover ACTIVE public beacons (players broadcasting presence/availability) — for find-my-group / matchmaking. Filter by course_id, region, mode. Requires OPENGOLFAPI_KEY. It is categorised as a Read tool in the OpenGolfAPI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the OpenGolfAPI MCP Server MCP server in PolicyLayer and add a rule for find_beacons: 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 OpenGolfAPI MCP Server. Nothing to install.
find_beacons 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 find_beacons 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 find_beacons. 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.
find_beacons is provided by the OpenGolfAPI MCP Server MCP server (opengolfapi/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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