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list-mail-folder-messages

Read-only

Retrieve messages from a user's mailbox or specific folder using KQL search, OData filters, and pagination for efficient email management.

Instructions

Get all the messages in the specified user's mailbox, or those messages in a specified folder in the mailbox.

đź’ˇ TIP: CRITICAL: When searching emails, the $search parameter value MUST be wrapped in double quotes. Format: $search="your search query here". Use KQL (Keyword Query Language) syntax to search specific properties: 'from:', 'subject:', 'body:', 'to:', 'cc:', 'bcc:', 'attachment:', 'hasAttachments:', 'importance:', 'received:', 'sent:'. Examples: $search="from:john@example.com" | $search="subject:meeting AND hasAttachments:true" | $search="body:urgent AND received>=2024-01-01" | $search="from:alice AND importance:high". Remember: ALWAYS wrap the entire search expression in double quotes! Reference: https://learn.microsoft.com/en-us/graph/search-query-parameter IMPORTANT: Always use $select to limit returned fields and reduce response size. Recommended default: $select=id,subject,from,toRecipients,receivedDateTime,bodyPreview,isRead,hasAttachments. Use bodyPreview instead of body for listings. To read the full email body, use get-mail-message with the specific message id.

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.
searchNoKQL search query — wrap value in double quotes. Cannot combine with $filter.
filterNoOData filter expression. Add $count=true for advanced filters (flag/flagStatus, contains()). Cannot combine with $search.
countNoSet true to enable advanced query mode (ConsistencyLevel: eventual). Required for complex $filter on flag/flagStatus or contains().
orderbyNoSort expression, e.g. receivedDateTime desc
selectNoComma-separated fields to return, e.g. id,subject,from,receivedDateTime
expandNoExpand related entities
mailFolderIdYesPath parameter: mailFolderId
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
Behavior5/5

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

Annotations declare readOnlyHint=true and destructiveHint=false, and the description adds substantial behavioral context: the need to wrap $search in double quotes, implications of pagination with fetchAllPages, and the importance of $select. No contradiction with annotations.

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 verbose, with a long tip section that contains some repetition (e.g., wrapping $search in double quotes mentioned twice). While well-structured with a clear purpose first, it could be more concise without losing critical details.

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 12 parameters, 1 required, and no output schema, the description covers search, filter, pagination, field selection, and relationships. It lacks explicit mention of the response structure (list of messages) but implies it through examples. Includes cross-reference to get-mail-message for full body.

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

Parameters5/5

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

Schema coverage is 100% with detailed descriptions in the schema, and the description tip adds extra usage guidance, especially for $search and $select. The description compensates where schema descriptions are technical, providing practical examples.

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?

The description clearly states the tool retrieves messages from a mailbox or specific folder, using a specific verb and resource. It distinguishes from siblings like get-mail-message and list-mail-messages-delta by focusing on listing messages in a folder context.

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

Usage Guidelines4/5

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

The description provides extensive guidance on using $search with KQL, $select, $filter, and fetchAllPages, including examples and warnings. It mentions using get-mail-message for full body, but does not explicitly differentiate from the sibling tool list-mail-messages, which is a minor gap.

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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