Get all events the current user is registered for.
AI agents call get_my_registrations to retrieve information from EventHorizon MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only fetches and returns registration data for the authenticated user. It performs no creation, modification, deletion, or execution of external operations. The blast radius of misuse is minimal—an attacker could only view the user's own event registrations, which is a read-only information disclosure with limited impact.
From the tool's definition Tool name and description indicate a query operation: 'Get all events the current user is registered for' retrieves data without modification or side effects.
Attacks that exploit this kind of access
Get all events the current user is registered for. It is categorised as a Read tool in the EventHorizon MCP Server MCP Server, which means it retrieves data without modifying state.
Register the EventHorizon MCP Server MCP server in PolicyLayer and add a rule for get_my_registrations: 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 EventHorizon MCP Server. Nothing to install.
get_my_registrations 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_my_registrations 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_my_registrations. 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_my_registrations is provided by the EventHorizon MCP Server MCP server (notoriousarnav/eventhorizon-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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