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Polarion MCP Server

Polarion MCP Server

by phillipboesger
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Hybrid

postTestStepResultAttachments

Uploads one or more new files as attachments to a Test Step Result in Polarion, returning the created attachment IDs so you can track the added files.

Instructions

Uploads one or more new files as attachments of a Test Step Result in a single multipart request: requestBody.resource.data holds one metadata entry (fileName, optional title) per file, and requestBody.files holds the base64-encoded file bytes at the same array index as each metadata entry. Returns the created attachment IDs. Use this to add files; to change an existing attachment use patchTestStepResultAttachment, and to list what is already attached use getTestStepResultAttachments. Effect: creates a new resource. Repeating this call may create additional resources; it is not guaranteed idempotent. Tip: set dry_run: true first to validate the arguments and preview the exact request without sending it to Polarion. The executor returns this preview as normal text, and as structured content when the tool declares an output schema.

Input Schema

NameRequiredDescriptionDefault
dry_runNoIf true, validates the request and returns the exact request that would be sent to Polarion — with the Authorization header redacted and any binary payload summarized by byte length — without actually sending it.
iterationYesThe iteration number identifying which repeated occurrence of this item is being addressed (e.g. which run of a test parameter).
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.
testRunIdYesThe Test Run's ID within its project.
testCaseIdYesThe Test Case's ID being referenced.
requestBodyYesAttachment metadata and file data.
testStepIndexYesThe Test Step index.
testCaseProjectIdYesThe project ID that owns the referenced Test Case — may differ from the project in the request path when the test case is shared from another project.

Output Schema

NameRequiredDescriptionDefault
dataNo

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. Changed11 schema fields changedv1.3.1
    • removedOutput schema / properties / data / items / properties / id / example
      Removed value: -"MyProjectId/MyTestRunId/MyProjectId/MyTestcaseId/0/1/MyAttachmentId"
    • 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 / content / example
      Removed value: -"server-host-name/application-path/projects/MyProjectId/testruns/MyTestRunId/testrecords/MyProjectId/MyTestcaseId/0/teststepresults/1/attachments/MyAttachmentId/content"
    • changedOutput schema / properties / data / items / properties / links / properties / content / 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/testruns/MyTestRunId/testrecords/MyProjectId/MyTestcaseId/0/teststepresults/1/attachments/MyAttachmentId"
    • 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 / type / enum
      Removed value: -[
-  "teststepresult_attachments"
-]
    • 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"
+]
  3. Changed6 schema fields changedv1.2.0
    • changedInput schema / properties / dry_run / description
      Previous value: -"If true, validate and return the request that would be sent without calling Polarion."New value: +"If true, validates the request and returns the exact request that would be sent to Polarion — with the Authorization header redacted and any binary payload summarized by byte length — without actually sending it."
    • changedInput schema / properties / iteration / description
      Previous value: -"The Iteration Number."New value: +"The iteration number identifying which repeated occurrence of this item is being addressed (e.g. which run of a test parameter)."
    • 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 / testCaseId / description
      Previous value: -"The Testcase ID."New value: +"The Test Case's ID being referenced."
    • changedInput schema / properties / testCaseProjectId / description
      Previous value: -"The Testcase Project ID."New value: +"The project ID that owns the referenced Test Case — may differ from the project in the request path when the test case is shared from another project."
    • changedInput schema / properties / testRunId / description
      Previous value: -"The Test Run ID."New value: +"The Test Run's ID within its project."
  4. Changed1 schema field changedv1.1.0
    • changedOutput schema / (root)
      Previous value: -nullNew value: +{
+  "properties": {
+    "data": {
+      "items": {
+        "properties": {
+          "id": {
+            "example": "MyProjectId/MyTestRunId/MyProjectId/MyTestcaseId/0/1/MyAttachmentId",
+            "type": "string"
+          },
+          "links": {
+            "properties": {
+              "content": {
+                "example": "server-host-name/application-path/projects/MyProjectId/testruns/MyTestRunId/testrecords/MyProjectId/MyTestcaseId/0/teststepresults/1/attachments/MyAttachmentId/content",
+                "type": "string"
+              },
+              "self": {
+                "example": "server-host-name/application-path/projects/MyProjectId/testruns/MyTestRunId/testrecords/MyProjectId/MyTestcaseId/0/teststepresults/1/attachments/MyAttachmentId",
+                "type": "string"
+              }
+            },
+            "type": "object"
+          },
+          "type": {
+            "enum": [
+              "teststepresult_attachments"
+            ],
+            "type": "string"
+          }
+        },
+        "type": "object"
+      },
+      "type": "array"
+    }
+  },
+  "type": "object"
+}
  5. Changed2 schema fields changed
    • addedInput schema / properties / dry_run
      Added value: +{
+  "description": "If true, validate and return the request that would be sent without calling Polarion.",
+  "type": "boolean"
+}
    • changedInput schema / properties / requestBody / description
      Previous value: -"Attachment meta data and file data."New value: +"Attachment metadata and file data."
  6. First observedv1.0.0

TDQS

A4.6/5.0
Behavior4/5

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

Annotations already declare readOnlyHint=false, idempotentHint=false and destructiveHint=false, so the safety profile is covered. The description still adds real value by spelling out the consequence ('repeating this call may create additional resources') and by explaining that dry_run returns a preview as plain text and structured content. The idempotency sentence partly restates idempotentHint, which keeps it short of a 5.

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-loaded with the core action and the payload contract, with alternatives following in priority order — good structure. The closing dry_run tip is somewhat verbose and partially duplicates the dry_run parameter's own description, costing a point.

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

Completeness5/5

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

An output schema exists, yet the description still confirms the return ('created attachment IDs'), states the mutate-and-not-idempotent effect, gives the payload layout, and points at nested siblings. Nothing an agent needs to call this correctly is missing.

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

Parameters4/5

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

Schema coverage is 100%, so baseline is 3, but the description goes further on the single most ambiguous parameter: `requestBody` is only described as 'Attachment metadata and file data' in the schema, and the description explains that `resource.data` holds one metadata entry per file and that `requestBody.files` must sit at the same array index. That index-alignment rule is essential and not recoverable from the schema.

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 first sentence names a specific verb (uploads) and resource (attachments of a Test Step Result) plus the transport shape (single multipart request). It is immediately distinguishable from getTestStepResultAttachments and patchTestStepResultAttachment, which are named explicitly.

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?

Explicit routing: use this to add files, use `patchTestStepResultAttachment` to change an existing attachment, use `getTestStepResultAttachments` to list. That is a full when/when-not/alternative mapping with no inference required.

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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