Get school calendar events for a given month. Returns holidays, early releases, and school events.
AI agents call get_calendar to retrieve information from School MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and displays school calendar information (holidays, early releases, events). It has no side effects, does not modify data, execute code, delete records, or involve financial transactions. It is a straightforward read operation querying existing school calendar data.
From the tool's definition Tool name 'get_calendar' and description 'Get school calendar events for a given month. Returns holidays, early releases, and school events.' indicate retrieval of calendar data with no modification, deletion, execution, or financial impact.
Attacks that exploit this kind of access
Get school calendar events for a given month. Returns holidays, early releases, and school events. It is categorised as a Read tool in the School MCP MCP Server, which means it retrieves data without modifying state.
Register the School MCP server in PolicyLayer and add a rule for get_calendar: 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 School MCP. Nothing to install.
get_calendar 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_calendar 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_calendar. 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_calendar is provided by the School MCP server (shengdynasty/school-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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