Get the difference time between two datetimes (e.g. 2025-01-01 01:01:01 and 2025-01-02 02:02:02)
AI agents call get_elapsed_time to retrieve information from Time Tools MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool computes and returns the elapsed time duration between two provided timestamps. This is a read-only operation with no side effects, data modification, code execution, or destructive capability. The low severity reflects minimal risk even if misused by an AI agent, as it only performs mathematical calculations on input timestamps.
From the tool's definition Tool description states 'Get the difference time between two datetimes' - this is a pure calculation/query operation that retrieves computed information without modifying any data or triggering external effects.
Attacks that exploit this kind of access
Get the difference time between two datetimes (e.g. 2025-01-01 01:01:01 and 2025-01-02 02:02:02). It is categorised as a Read tool in the Time Tools MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Time Tools MCP Server MCP server in PolicyLayer and add a rule for get_elapsed_time: 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 Time Tools MCP Server. Nothing to install.
get_elapsed_time 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_elapsed_time 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_elapsed_time. 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_elapsed_time is provided by the Time Tools MCP Server MCP server (t-shiratori/time-tools-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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