Retrieve event information by ID
AI agents call retrieve_event to retrieve information from Omise 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 a simple data retrieval operation—fetching an event record by its identifier. It does not create, modify, delete, or execute any external operations. Even in the context of a payment processing system (Omise), retrieving event information poses minimal risk as it only accesses existing data without side effects.
From the tool's definition Tool name 'retrieve_event' combined with description 'Retrieve event information by ID' clearly indicates a read-only query operation. The verb 'retrieve' and the lack of any modification language confirm no side effects.
Attacks that exploit this kind of access
Retrieve event information by ID. It is categorised as a Read tool in the Omise MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Omise MCP Server MCP server in PolicyLayer and add a rule for retrieve_event: 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 Omise MCP Server. Nothing to install.
retrieve_event 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 retrieve_event 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 retrieve_event. 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.
retrieve_event is provided by the Omise MCP Server MCP server (jun-omise/omise-mcp-alpha). 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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