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Microsoft 365 MCP Server

by Softeria
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TypeScript
Hybrid

list-plan-buckets

list-plan-buckets
Read-only

List all buckets in a Planner plan by providing the plan ID. Use filters, pagination, or search to narrow results and export full data when needed.

Instructions

Retrieve a list of plannerBucket objects contained by a plannerPlan object.

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 in one pair of double quotes; directory (users/groups) instead quotes each clause with no outer pair. Cannot combine with $filter.
selectNoComma-separated fields to return, e.g. id,subject,from,receivedDateTime
orderbyNoSort expression, e.g. receivedDateTime desc
skiptokenNoNext page: the @odata.nextLink from the previous response. Keep the other arguments the same.
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.
plannerPlanIdYesValue for the 'plannerPlanId' path segment. Pass it under the name 'plannerPlanId', not as 'id'. Use the 'id' field of the planner plan object as returned by Microsoft Graph.
includeHeadersNoInclude response headers (including ETag) in the response metadata
excludeResponseNoExclude the full response body and only return success or failure indication

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed11 schema fields changedv0.154.2
    • addedInput schema / properties / expand / anyOf
      Added value: +[
+  {
+    "type": "string"
+  },
+  {
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  }
+]
    • removedInput schema / properties / expand / items
      Removed value: -{
-  "type": "string"
-}
    • removedInput schema / properties / expand / type
      Removed value: -"array"
    • addedInput schema / properties / orderby / anyOf
      Added value: +[
+  {
+    "type": "string"
+  },
+  {
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  }
+]
    • removedInput schema / properties / orderby / type
      Removed value: -"string"
    • addedInput schema / properties / select / anyOf
      Added value: +[
+  {
+    "type": "string"
+  },
+  {
+    "items": {
+      "type": "string"
+    },
+    "type": "array"
+  }
+]
    • removedInput schema / properties / select / type
      Removed value: -"string"
    • addedInput schema / properties / skip / minimum
      Added value: +0
    • changedInput schema / properties / skip / type
      Previous value: -"number"New value: +"integer"
    • addedInput schema / properties / top / minimum
      Added value: +0
    • changedInput schema / properties / top / type
      Previous value: -"number"New value: +"integer"
  2. Changed1 schema field changedv0.154.0
    • changedInput schema / properties / skiptoken / description
      Previous value: -"Opaque cursor for the next page, taken from the previous response. Copy the $skiptoken value out of @odata.nextLink (or paste the whole nextLink URL — the token is extracted from it) and resend it with the SAME $filter/$select/$expand/$top as the first call. Use this to walk pages one at a time instead of fetchAllPages. Omit it for the first page."New value: +"Next page: the @odata.nextLink from the previous response. Keep the other arguments the same."
  3. Changed2 schema fields changedv0.153.0
    • changedInput schema / properties / search / description
      Previous value: -"KQL search query — wrap value in double quotes. Cannot combine with $filter."New value: +"KQL search query in one pair of double quotes; directory (users/groups) instead quotes each clause with no outer pair. Cannot combine with $filter."
    • addedInput schema / properties / skiptoken
      Added value: +{
+  "description": "Opaque cursor for the next page, taken from the previous response. Copy the $skiptoken value out of @odata.nextLink (or paste the whole nextLink URL — the token is extracted from it) and resend it with the SAME $filter/$select/$expand/$top as the first call. Use this to walk pages one at a time instead of fetchAllPages. Omit it for the first page.",
+  "type": "string"
+}
  4. Changed2 schema fields changedv0.134.4
    • changedInput schema / properties / expand / description
      Previous value: -"Expand related entities"New value: +"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 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."
    • changedInput schema / properties / plannerPlanId / description
      Previous value: -"Path parameter: plannerPlanId"New value: +"Value for the 'plannerPlanId' path segment. Pass it under the name 'plannerPlanId', not as 'id'. Use the 'id' field of the planner plan object as returned by Microsoft Graph."
  5. Changed1 schema field changedv0.131.2
    • changedInput schema / additionalProperties
      Previous value: -falseNew value: +true
  6. Addedv0.114.0
  7. Removedv0.112.2
  8. Addedv0.110.0
  9. Removedv0.108.0
  10. Addedv0.96.0

TDQS

A3.6/5.0
Behavior3/5

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

The description is consistent with readOnlyHint=true and adds the containment relationship (buckets are contained by a plannerPlan), which is useful context beyond annotations. It does not add behavioral details about pagination or payload size, though the schema's parameter descriptions partially cover those.

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

Conciseness5/5

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

The description is a single, front-loaded sentence with no filler or redundancy. It states the verb, object, and scope efficiently, which is appropriate for the tool's simple read-only purpose.

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?

The tool is read-only, has full schema parameter coverage, and has annotations covering safety. The short description is sufficient because the schema explains the parameters, and the purpose already implies the return type is a list of plannerBucket objects.

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%, with detailed descriptions for all 13 parameters, so the baseline of 3 applies. The description itself adds no parameter-specific meaning, but the schema fully documents plannerPlanId and all query options.

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 uses a specific verb and resource: 'Retrieve a list of plannerBucket objects contained by a plannerPlan object.' This clearly distinguishes it from single-item tools like get-planner-bucket and from sibling list tools like list-planner-tasks or list-plan-tasks.

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

Usage Guidelines2/5

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

No guidance is given on when to use this tool versus alternatives, nor any exclusions or sibling routing. The description only states what the tool does, so the agent must infer usage from the name and schema.

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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