get-specific-calendar-event
Get a single event from one of the signed-in user's calendars, addressed by calendar ID and event ID. Any calendar can be addressed this way, including the default one.
This record as markdown: /tools/jo3zik-ms-365-mcp-server/get-specific-calendar-event.md
What get-specific-calendar-event does on Ms 365
AI agents call get-specific-calendar-event to retrieve information from Ms 365 without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
expand | array | — | Navigation properties to inline, e.g. attachments on a message or event. Only navigation properties can be expanded: expanding a non-navigation property such as |
select | string | — | Comma-separated fields to return, e.g. id,subject,from,receivedDateTime |
eventId | string | Yes | Value for the 'eventId' path segment. Pass it under the name 'eventId', not as 'id'. Use the 'id' field of the event object as returned by Microsoft Graph. |
timezone | string | — | IANA timezone name (e.g., "America/New_York", "Europe/London", "Asia/Tokyo") for calendar event times. If not specified, times are returned in UTC. |
calendarId | string | Yes | Value for the 'calendarId' path segment. Pass it under the name 'calendarId', not as 'id'. Use the 'id' field of the calendar object as returned by Microsoft Gr |
fetchAllPages | boolean | — | Follow @odata.nextLink and merge up to 100 pages into one response. Can return enormous payloads—only when the user explicitly needs a full export. Prefer a sma |
includeHeaders | boolean | — | Include response headers (including ETag) in the response metadata |
excludeResponse | boolean | — | Exclude the full response body and only return success or failure indication |
expandExtendedProperties | boolean | — | When true, expands singleValueExtendedProperties on each event. Use this to retrieve custom extended properties (e.g., sync metadata) stored on calendar events. |
Parameters from the server's own tool schema.
Why get-specific-calendar-event is rated Low
Even though get-specific-calendar-event only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Attacks that exploit this kind of access
The rule that runs get-specific-calendar-event safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Ms 365, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get-specific-calendar-event, this is the rule to start with:
get-specific-calendar-event is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Ms 365, apply this rule, and every get-specific-calendar-event call is checked against it from then on.
Questions about get-specific-calendar-event
Get a single event from one of the signed-in user's calendars, addressed by calendar ID and event ID. Any calendar can be addressed this way, including the default one. It is categorised as a Read tool in the Ms 365 MCP Server, which means it retrieves data without modifying state.
get-specific-calendar-event accepts 9 parameters: expand, select, eventId, timezone, calendarId, fetchAllPages, includeHeaders, excludeResponse, expandExtendedProperties. Required: eventId, calendarId. The full parameter table on this page comes from the server's own tool schema.
Register the Ms 365 MCP server in PolicyLayer and add a rule for get-specific-calendar-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 Ms 365. Nothing to install.
get-specific-calendar-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 get-specific-calendar-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 get-specific-calendar-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.
get-specific-calendar-event is provided by the Ms 365 MCP server (@jo3zik/ms-365-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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