Returns all Jewish holiday dates from today until the end of the year.
AI agents call get_all_holiday_times to retrieve information from Hebcal MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and retrieves calendar data (Jewish holiday dates) without any side effects. It performs a simple data lookup operation that does not create, modify, delete, or execute any actions. The information returned is static reference data. This is a read-only operation with minimal security risk.
From the tool's definition Tool name 'get_all_holiday_times' and description 'Returns all Jewish holiday dates' indicate a retrieval operation with no modification, deletion, or execution of external systems.
Attacks that exploit this kind of access
Returns all Jewish holiday dates from today until the end of the year. It is categorised as a Read tool in the Hebcal MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Hebcal MCP Server MCP server in PolicyLayer and add a rule for get_all_holiday_times: 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 Hebcal MCP Server. Nothing to install.
get_all_holiday_times 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_all_holiday_times 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_all_holiday_times. 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_all_holiday_times is provided by the Hebcal MCP Server MCP server (shaymc3/hebcal-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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