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Softeria

Microsoft 365 MCP Server

by Softeria

list-calendar-events

list-calendar-events
Read-only

Retrieve calendar events from a user's mailbox, including single meetings and series masters. Note: recurring events are not expanded; use get-calendar-view for occurrences within a date range.

Instructions

Get a list of event objects in the user's mailbox. The list contains single instance meetings and series masters. To get expanded event instances, you can get the calendar view, or get the instances of an event. Currently, this operation returns event bodies in only HTML format. There are two scenarios where an app can get events in another user's calendar:

💡 TIP: WARNING: Does NOT expand recurring events — only returns seriesMaster. Use get-calendar-view instead to see individual occurrences within a date range.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
topNoPage size (Graph $top). Start small (e.g. 5–15) so responses fit the model context; raise only if needed. Use $select to return fewer fields per item. For more rows, use @odata.nextLink from the response instead of a very large $top.
skipNoItems to skip for pagination. Not supported with $search.
countNoSet true to enable advanced query mode (ConsistencyLevel: eventual). Required for complex $filter on flag/flagStatus or contains().
expandNoNavigation properties to inline, e.g. attachments on a message or event. Only navigation properties can be expanded: expanding a non-navigation property such as a message body fails with "Parsing OData Select and Expand failed", and an unsupported value may be ignored rather than reported. Request ordinary fields with $select instead.
filterNoOData filter expression. Add $count=true for advanced filters (flag/flagStatus, contains()). Cannot combine with $search.
searchNoKQL search query — wrap value in double quotes. Cannot combine with $filter.
selectNoComma-separated fields to return, e.g. id,subject,from,receivedDateTime
orderbyNoSort expression, e.g. receivedDateTime desc
timezoneNoIANA timezone name (e.g., "America/New_York", "Europe/London", "Asia/Tokyo") for calendar event times. If not specified, times are returned in UTC.
fetchAllPagesNoFollow @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 small $top first, then paginate or narrow with $filter/$search.
includeHeadersNoInclude response headers (including ETag) in the response metadata
excludeResponseNoExclude the full response body and only return success or failure indication
expandExtendedPropertiesNoWhen true, expands singleValueExtendedProperties on each event. Use this to retrieve custom extended properties (e.g., sync metadata) stored on calendar events.
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Adds behavioral details beyond annotations: returns only HTML format, does not expand recurring events, can get events from another user's calendar. No contradiction with readOnlyHint or destructiveHint.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is somewhat verbose with repetition (e.g., 'single instance meetings and series masters' vs 'only returns seriesMaster'). Could be more concise, though front-loaded with key info.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given 13 parameters and no output schema, the description covers the core behavior and limitation well, but could benefit from mentioning return structure or pagination hints already present in parameter descriptions.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so baseline is 3. Description does not add extra parameter meaning beyond the schema's own descriptions.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

Clearly states it lists event objects in the user's mailbox, distinguishing from expanded instances by mentioning calendar view and event instances. The tip explicitly warns about recurrence handling and suggests an alternative.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines5/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Explicitly provides when to use (listing events) and when not to (need expanded instances), with specific alternatives like get-calendar-view and get event instances. The warning is clear.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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