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Polarion MCP Server

Polarion MCP Server

by phillipboesger
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Hybrid

getWorkItemApprovals

Read-only

Retrieve approval entries for a Polarion Work Item to see each approver and their status (waiting, approved, disapproved), helping you check sign-off progress.

Instructions

Returns the approval entries on one Work Item: each approver (user) and their approval status (waiting, approved, disapproved). Use it to check sign-off progress; to add approvers use postWorkItemApprovals, and to record a decision use patchWorkItemApproval. Cardinality: targets the full collection or a batch. For a single item by ID, use getWorkItemApproval instead.

Input Schema

NameRequiredDescriptionDefault
fieldsNoSparse fieldset selector: an object keyed by resource type (e.g. `workitems`) whose value is a comma-separated list of attribute names to return (e.g. `id,title,status`), reducing payload size. Omit to return the default field set.
includeNoComma-separated list of related resource types to embed in the response (e.g. `author,attachments`) so they don't require a separate follow-up call. Omit to return only the primary resource.
revisionNoA specific repository revision (e.g. `1234`) to read the resource as it existed at that revision instead of the current HEAD. Omit to use the latest revision.
max_itemsNoCollect up to this many results across pages (maximum 1000). Omit to fetch only the requested page, as before.
projectIdYesThe Polarion project ID (its URL segment, e.g. `myproject`), case-sensitive. Required to scope the request to one project. If the ID is unknown, ask the user; getProjects lists IDs only with global read access.
page_size_NoMaximum number of items to return in this page (e.g. `100`). Use together with `page[number]` to paginate through a large result set.
workItemIdYesThe Work Item's ID within its project (e.g. `WI-123`), not the combined `project/id` path used in some link payloads.
page_number_No1-based page number to fetch when the result set is paginated (e.g. `2` for the second page). Combine with `page[size]`; omit to fetch the first page.
response_formatNoResponse detail level. concise removes redundant HTML and JSON:API metadata and may use a small default fieldset on large lists; detailed preserves the complete response. Defaults to detailed.detailed

Output Schema

NameRequiredDescriptionDefault
dataNo
metaNo
linksNo
includedNoRelated entities might be returned, see <a href="https://docs.sw.siemens.com/en-US/doc/230235217/PL20250606201928474.polarion_help_sc.xid2134849/xid2134871" target="_blank">REST API User Guide</a>.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv1.4.4
    • changedInput schema / properties / projectId / description
      Previous value: -"The Polarion project ID (its URL segment, e.g. `myproject`), case-sensitive. Required to scope the request to one project; call getProjects to list valid IDs."New value: +"The Polarion project ID (its URL segment, e.g. `myproject`), case-sensitive. Required to scope the request to one project. If the ID is unknown, ask the user; getProjects lists IDs only with global read access."
  2. Changed2 schema fields changedv1.4.0
    • addedInput schema / properties / max_items
      Added value: +{
+  "description": "Collect up to this many results across pages (maximum 1000). Omit to fetch only the requested page, as before.",
+  "maximum": 1000,
+  "minimum": 1,
+  "type": "integer"
+}
    • addedInput schema / properties / response_format
      Added value: +{
+  "default": "detailed",
+  "description": "Response detail level. concise removes redundant HTML and JSON:API metadata and may use a small default fieldset on large lists; detailed preserves the complete response. Defaults to detailed.",
+  "enum": [
+    "concise",
+    "detailed"
+  ],
+  "type": "string"
+}
  3. Changed59 schema fields changedv1.3.1
    • removedOutput schema / properties / data / items / properties / attributes / properties / status / enum
      Removed value: -[
-  "waiting",
-  "approved",
-  "disapproved"
-]
    • removedOutput schema / properties / data / items / properties / attributes / properties / status / example
      Removed value: -"waiting"
    • changedOutput schema / properties / data / items / properties / attributes / properties / status / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • changedOutput schema / properties / data / items / properties / attributes / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / id / example
      Removed value: -"MyProjectId/MyWorkItemId/MyUserId"
    • changedOutput schema / properties / data / items / properties / id / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / links / properties / self / example
      Removed value: -"server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals/MyUserId?revision=1234"
    • changedOutput schema / properties / data / items / properties / links / properties / self / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • changedOutput schema / properties / data / items / properties / links / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / detail / example
      Removed value: -"Unexpected token, BEGIN_ARRAY expected, but was : BEGIN_OBJECT (at $.data)"
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / detail / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / source / properties / parameter / example
      Removed value: -"revision"
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / source / properties / parameter / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / source / properties / pointer / example
      Removed value: -"$.data"
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / source / properties / pointer / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / source / properties / resource / properties / id / example
      Removed value: -"MyProjectId/id"
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / source / properties / resource / properties / id / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / source / properties / resource / properties / type / example
      Removed value: -"type"
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / source / properties / resource / properties / type / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / source / properties / resource / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / source / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / status / example
      Removed value: -"400"
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / status / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / title / example
      Removed value: -"Bad Request"
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / items / properties / title / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / items / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • changedOutput schema / properties / data / items / properties / meta / properties / errors / type
      Previous value: -"array"New value: +[
+  "array",
+  "null"
+]
    • changedOutput schema / properties / data / items / properties / meta / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / relationships / properties / user / properties / data / properties / id / example
      Removed value: -"MyUserId"
    • changedOutput schema / properties / data / items / properties / relationships / properties / user / properties / data / properties / id / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / relationships / properties / user / properties / data / properties / revision / example
      Removed value: -"1234"
    • changedOutput schema / properties / data / items / properties / relationships / properties / user / properties / data / properties / revision / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / relationships / properties / user / properties / data / properties / type / enum
      Removed value: -[
-  "users"
-]
    • changedOutput schema / properties / data / items / properties / relationships / properties / user / properties / data / properties / type / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • changedOutput schema / properties / data / items / properties / relationships / properties / user / properties / data / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • changedOutput schema / properties / data / items / properties / relationships / properties / user / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • changedOutput schema / properties / data / items / properties / relationships / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / revision / example
      Removed value: -"1234"
    • changedOutput schema / properties / data / items / properties / revision / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / data / items / properties / type / enum
      Removed value: -[
-  "workitem_approvals"
-]
    • changedOutput schema / properties / data / items / properties / type / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • changedOutput schema / properties / data / items / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • changedOutput schema / properties / data / type
      Previous value: -"array"New value: +[
+  "array",
+  "null"
+]
    • changedOutput schema / properties / included / items / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • changedOutput schema / properties / included / type
      Previous value: -"array"New value: +[
+  "array",
+  "null"
+]
    • removedOutput schema / properties / links / properties / first / example
      Removed value: -"server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals?page%5Bsize%5D=10&page%5Bnumber%5D=1"
    • changedOutput schema / properties / links / properties / first / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / links / properties / last / example
      Removed value: -"server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals?page%5Bsize%5D=10&page%5Bnumber%5D=9"
    • changedOutput schema / properties / links / properties / last / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / links / properties / next / example
      Removed value: -"server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals?page%5Bsize%5D=10&page%5Bnumber%5D=6"
    • changedOutput schema / properties / links / properties / next / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / links / properties / prev / example
      Removed value: -"server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals?page%5Bsize%5D=10&page%5Bnumber%5D=4"
    • changedOutput schema / properties / links / properties / prev / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • removedOutput schema / properties / links / properties / self / example
      Removed value: -"server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals?page%5Bsize%5D=10&page%5Bnumber%5D=5"
    • changedOutput schema / properties / links / properties / self / type
      Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • changedOutput schema / properties / links / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
    • removedOutput schema / properties / meta / properties / totalCount / format
      Removed value: -"int32"
    • changedOutput schema / properties / meta / properties / totalCount / type
      Previous value: -"integer"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
    • changedOutput schema / properties / meta / type
      Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
  4. Changed7 schema fields changedv1.2.0
    • changedInput schema / properties / fields / description
      Previous value: -"Filter returned resource fields. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20250606201928474.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details."New value: +"Sparse fieldset selector: an object keyed by resource type (e.g. `workitems`) whose value is a comma-separated list of attribute names to return (e.g. `id,title,status`), reducing payload size. Omit to return the default field set."
    • changedInput schema / properties / include / description
      Previous value: -"Include related entities. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20250606201928474.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details."New value: +"Comma-separated list of related resource types to embed in the response (e.g. `author,attachments`) so they don't require a separate follow-up call. Omit to return only the primary resource."
    • changedInput schema / properties / page_number_ / description
      Previous value: -"Specify the page number to be returned. Counting starts from 1. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20250606201928474.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details."New value: +"1-based page number to fetch when the result set is paginated (e.g. `2` for the second page). Combine with `page[size]`; omit to fetch the first page."
    • changedInput schema / properties / page_size_ / description
      Previous value: -"Limit the number of entities returned in a single response. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20250606201928474.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details."New value: +"Maximum number of items to return in this page (e.g. `100`). Use together with `page[number]` to paginate through a large result set."
    • changedInput schema / properties / projectId / description
      Previous value: -"The Project ID."New value: +"The Polarion project ID (its URL segment, e.g. `myproject`), case-sensitive. Required to scope the request to one project; call getProjects to list valid IDs."
    • changedInput schema / properties / revision / description
      Previous value: -"The revision ID."New value: +"A specific repository revision (e.g. `1234`) to read the resource as it existed at that revision instead of the current HEAD. Omit to use the latest revision."
    • changedInput schema / properties / workItemId / description
      Previous value: -"The Work Item ID."New value: +"The Work Item's ID within its project (e.g. `WI-123`), not the combined `project/id` path used in some link payloads."
  5. Changed1 schema field changedv1.1.0
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "properties": {
+    "data": {
+      "items": {
+        "properties": {
+          "attributes": {
+            "properties": {
+              "status": {
+                "enum": [
+                  "waiting",
+                  "approved",
+                  "disapproved"
+                ],
+                "example": "waiting",
+                "type": "string"
+              }
+            },
+            "type": "object"
+          },
+          "id": {
+            "example": "MyProjectId/MyWorkItemId/MyUserId",
+            "type": "string"
+          },
+          "links": {
+            "properties": {
+              "self": {
+                "example": "server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals/MyUserId?revision=1234",
+                "type": "string"
+              }
+            },
+            "type": "object"
+          },
+          "meta": {
+            "properties": {
+              "errors": {
+                "items": {
+                  "properties": {
+                    "detail": {
+                      "description": "Human-readable explanation specific to this occurrence of the problem.",
+                      "example": "Unexpected token, BEGIN_ARRAY expected, but was : BEGIN_OBJECT (at $.data)",
+                      "type": "string"
+                    },
+                    "source": {
+                      "properties": {
+                        "parameter": {
+                          "description": "String indicating which URI query parameter caused the error.",
+                          "example": "revision",
+                          "type": "string"
+                        },
+                        "pointer": {
+                          "description": "JSON Pointer to the associated entity in the request document.",
+                          "example": "$.data",
+                          "type": "string"
+                        },
+                        "resource": {
+                          "description": "Resource causing the error.",
+                          "properties": {
+                            "id": {
+                              "example": "MyProjectId/id",
+                              "type": "string"
+                            },
+                            "type": {
+                              "example": "type",
+                              "type": "string"
+                            }
+                          },
+                          "type": "object"
+                        }
+                      },
+                      "type": "object"
+                    },
+                    "status": {
+                      "description": "HTTP status code applicable to this problem.",
+                      "example": "400",
+                      "type": "string"
+                    },
+                    "title": {
+                      "description": "Short, human-readable summary of the problem.",
+                      "example": "Bad Request",
+                      "type": "string"
+                    }
+                  },
+                  "type": "object"
+                },
+                "type": "array"
+              }
+            },
+            "type": "object"
+          },
+          "relationships": {
+            "properties": {
+              "user": {
+                "properties": {
+                  "data": {
+                    "properties": {
+                      "id": {
+                        "example": "MyUserId",
+                        "type": "string"
+                      },
+                      "revision": {
+                        "example": "1234",
+                        "type": "string"
+                      },
+                      "type": {
+                        "enum": [
+                          "users"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "type": "object"
+                  }
+                },
+                "type": "object"
+              }
+            },
+            "type": "object"
+          },
+          "revision": {
+            "example": "1234",
+            "type": "string"
+          },
+          "type": {
+            "enum": [
+              "workitem_approvals"
+            ],
+            "type": "string"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "included": {
+      "description": "Related entities might be returned, see <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20250606201928474.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a>.",
+      "items": {
+        "type": "object"
+      },
+      "type": "array"
+    },
+    "links": {
+      "properties": {
+        "first": {
+          "example": "server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals?page%5Bsize%5D=10&page%5Bnumber%5D=1",
+          "type": "string"
+        },
+        "last": {
+          "example": "server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals?page%5Bsize%5D=10&page%5Bnumber%5D=9",
+          "type": "string"
+        },
+        "next": {
+          "example": "server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals?page%5Bsize%5D=10&page%5Bnumber%5D=6",
+          "type": "string"
+        },
+        "prev": {
+          "example": "server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals?page%5Bsize%5D=10&page%5Bnumber%5D=4",
+          "type": "string"
+        },
+        "self": {
+          "example": "server-host-name/application-path/projects/MyProjectId/workitems/MyWorkItemId/approvals?page%5Bsize%5D=10&page%5Bnumber%5D=5",
+          "type": "string"
+        }
+      },
+      "type": "object"
+    },
+    "meta": {
+      "properties": {
+        "totalCount": {
+          "format": "int32",
+          "type": "integer"
+        }
+      },
+      "type": "object"
+    }
+  },
+  "type": "object"
+}
  6. Changed6 schema fields changed
    • changedInput schema / properties / fields / description
      Previous value: -"Filter returned resource fields. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20231017526942799.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details."New value: +"Filter returned resource fields. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20250606201928474.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details."
    • changedInput schema / properties / include / description
      Previous value: -"Include related entities. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20231017526942799.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details."New value: +"Include related entities. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20250606201928474.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details."
    • removedInput schema / properties / page_number
      Removed value: -{
-  "description": "Specify the page number to be returned. Counting starts from 1. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20231017526942799.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details.",
-  "format": "int32",
-  "type": "number"
-}
    • addedInput schema / properties / page_number_
      Added value: +{
+  "description": "Specify the page number to be returned. Counting starts from 1. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20250606201928474.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details.",
+  "format": "int32",
+  "type": "number"
+}
    • removedInput schema / properties / page_size
      Removed value: -{
-  "description": "Limit the number of entities returned in a single response. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20231017526942799.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details.",
-  "format": "int32",
-  "type": "number"
-}
    • addedInput schema / properties / page_size_
      Added value: +{
+  "description": "Limit the number of entities returned in a single response. See <a href=\"https://docs.sw.siemens.com/en-US/doc/230235217/PL20250606201928474.polarion_help_sc.xid2134849/xid2134871\" target=\"_blank\">REST API User Guide</a> for details.",
+  "format": "int32",
+  "type": "number"
+}
  7. First observedv1.0.0

TDQS

A3.9/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=true, so safety is covered. The description adds genuine context by naming the returned fields (approver and status) and enumerating status values waiting/approved/disapproved, which helps an agent interpret results. It does not cover pagination behavior or permissions, but those are secondary given annotations and the output schema.

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

Conciseness4/5

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

Front-loads the purpose in the first sentence, then gives usage and alternatives compactly. The closing 'Cardinality: targets the full collection or a batch' sentence is awkward and arguably not earning its place, slightly undermining an otherwise tight description.

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?

With an output schema and full schema descriptions, the description needn't explain return shape or every parameter. It covers the purpose, the returned status values, and the sibling routing, which is enough for correct invocation. The only gap is the ambiguous cardinality/batch wording.

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 description coverage is 100%, so projectId, workItemId, fields, include, revision, pagination, max_items, and response_format are all already documented. The description adds no parameter-level guidance beyond implying a work item target; baseline 3 is appropriate because the schema carries the parameter burden.

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

Purpose4/5

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

States a specific verb and resource: returns approval entries on one Work Item, including approvers and status values. It distinguishes itself from getWorkItemApproval (singular) and names the mutation siblings, though the final 'targets the full collection or a batch' sentence is confusing against a tool that is scoped to one work item.

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?

Explicitly says to use it to check sign-off progress and names the alternatives: postWorkItemApprovals to add approvers and patchWorkItemApproval to record a decision. The closing routing note to getWorkItemApproval for a single item is useful, though the 'batch' phrasing leaves some ambiguity about what exactly is batched.

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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