Get all public holidays for a specific year with daily breakdown and total calculations
AI agents call get_public_holidays to retrieve information from MoCo MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves static holiday calendar data for a specified year. It performs no modifications, deletions, or external operations. The data returned is informational only and publicly available in nature (public holidays). The blast radius of misuse is minimal—an AI agent cannot cause harm by querying holiday information. This is a straightforward Read operation.
From the tool's definition Tool name 'get_public_holidays' and description 'Get all public holidays' indicate a retrieval operation with no side effects. The verb 'Get' combined with the data being queried (public holiday information) confirms this is a read-only operation.
Attacks that exploit this kind of access
Get all public holidays for a specific year with daily breakdown and total calculations. It is categorised as a Read tool in the MoCo MCP Server MCP Server, which means it retrieves data without modifying state.
Register the MoCo MCP Server MCP server in PolicyLayer and add a rule for get_public_holidays: 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 MoCo MCP Server. Nothing to install.
get_public_holidays 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_public_holidays 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_public_holidays. 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_public_holidays is provided by the MoCo MCP Server MCP server (niondigital/moco-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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