Polarion MCP Server

unmarkProject

Remove a Polarion project marker to retire the project reversibly while keeping its data in the repository for later re-registration.

Instructions

Removes the Polarion project marker from a project so it no longer appears or works as a project, while its data stays in the repository and can be re-registered later with markProject. Runs as an asynchronous job and returns a jobs resource; poll getJob until it finishes. Use it to retire a project reversibly; to delete the project and its data use deleteProject. Effect: triggers a server-side action rather than a plain resource creation — whether repeating it is safe, a no-op, or rejected depends on the specific action; treat it as 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

Name	Required	Description	Default
`dry_run`	No	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.
`projectId`	Yes	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.

Output Schema

Name	Required	Description	Default
`data`	No

Schema Changelog

Changes observed during successful MCP inspections.

Changed1 schema field changedv1.4.4Oct 29, 2026

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."

Changed45 schema fields changedv1.3.1Oct 22, 2026
- removedOutput schema / properties / data / properties / attributes / properties / jobId / example
```
Removed value: -"example"
```
- changedOutput schema / properties / data / properties / attributes / properties / jobId / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / attributes / properties / name / example
```
Removed value: -"example"
```
- changedOutput schema / properties / data / properties / attributes / properties / name / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / attributes / properties / state / example
```
Removed value: -"example"
```
- changedOutput schema / properties / data / properties / attributes / properties / state / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / attributes / properties / status / properties / message / example
```
Removed value: -"message"
```
- changedOutput schema / properties / data / properties / attributes / properties / status / properties / message / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / attributes / properties / status / properties / type / enum
```
Removed value: -[
-  "OK",
-  "CANCELLED",
-  "FAILED",
-  "UNKNOWN"
-]
```
- changedOutput schema / properties / data / properties / attributes / properties / status / properties / type / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / attributes / properties / status / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / attributes / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / id / example
```
Removed value: -"MyJobId"
```
- changedOutput schema / properties / data / properties / id / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / links / properties / downloads / example
```
Removed value: -[
-  "https://example.com/polarion/download/filename1",
-  "https://example.com/polarion/download/filename2"
-]
```
- changedOutput schema / properties / data / properties / links / properties / downloads / items / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / links / properties / downloads / type
```
Previous value: -"array"New value: +[
+  "array",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / links / properties / log / example
```
Removed value: -"server-host-name/application-path/polarion/job-report?jobId=MyJobId"
```
- changedOutput schema / properties / data / properties / links / properties / log / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / links / properties / self / example
```
Removed value: -"server-host-name/application-path/jobs/MyJobId"
```
- changedOutput schema / properties / data / properties / links / properties / self / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / links / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / relationships / properties / document / properties / data / properties / id / example
```
Removed value: -"MyProjectId/MySpaceId/MyDocumentId"
```
- changedOutput schema / properties / data / properties / relationships / properties / document / properties / data / properties / id / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / relationships / properties / document / properties / data / properties / type / enum
```
Removed value: -[
-  "documents"
-]
```
- changedOutput schema / properties / data / properties / relationships / properties / document / properties / data / properties / type / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / relationships / properties / document / properties / data / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / relationships / properties / document / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / relationships / properties / documents / properties / data / items / properties / id / example
```
Removed value: -"MyProjectId/MySpaceId/MyDocumentId"
```
- changedOutput schema / properties / data / properties / relationships / properties / documents / properties / data / items / properties / id / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / relationships / properties / documents / properties / data / items / properties / type / enum
```
Removed value: -[
-  "documents"
-]
```
- changedOutput schema / properties / data / properties / relationships / properties / documents / properties / data / items / properties / type / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / relationships / properties / documents / properties / data / items / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / relationships / properties / documents / properties / data / type
```
Previous value: -"array"New value: +[
+  "array",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / relationships / properties / documents / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / relationships / properties / project / properties / data / properties / id / example
```
Removed value: -"MyProjectId"
```
- changedOutput schema / properties / data / properties / relationships / properties / project / properties / data / properties / id / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / relationships / properties / project / properties / data / properties / type / enum
```
Removed value: -[
-  "projects"
-]
```
- changedOutput schema / properties / data / properties / relationships / properties / project / properties / data / properties / type / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / relationships / properties / project / properties / data / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / relationships / properties / project / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```
- changedOutput schema / properties / data / properties / relationships / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```
- removedOutput schema / properties / data / properties / type / enum
```
Removed value: -[
-  "jobs"
-]
```
- changedOutput schema / properties / data / properties / type / type
```
Previous value: -"string"New value: +[
+  "string",
+  "number",
+  "integer",
+  "boolean",
+  "null"
+]
```
- changedOutput schema / properties / data / type
```
Previous value: -"object"New value: +[
+  "object",
+  "null"
+]
```

Changed2 schema fields changedv1.2.0Sep 17, 2026

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 / 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."

Changed1 schema field changedv1.1.0Sep 11, 2026

changedOutput schema / (root)

Previous value: -nullNew value: +{
+  "properties": {
+    "data": {
+      "properties": {
+        "attributes": {
+          "properties": {
+            "jobId": {
+              "example": "example",
+              "type": "string"
+            },
+            "name": {
+              "example": "example",
+              "type": "string"
+            },
+            "state": {
+              "example": "example",
+              "type": "string"
+            },
+            "status": {
+              "properties": {
+                "message": {
+                  "example": "message",
+                  "type": "string"
+                },
+                "type": {
+                  "enum": [
+                    "OK",
+                    "CANCELLED",
+                    "FAILED",
+                    "UNKNOWN"
+                  ],
+                  "type": "string"
+                }
+              },
+              "type": "object"
+            }
+          },
+          "type": "object"
+        },
+        "id": {
+          "example": "MyJobId",
+          "type": "string"
+        },
+        "links": {
+          "properties": {
+            "downloads": {
+              "example": [
+                "https://example.com/polarion/download/filename1",
+                "https://example.com/polarion/download/filename2"
+              ],
+              "items": {
+                "type": "string"
+              },
+              "type": "array"
+            },
+            "log": {
+              "example": "server-host-name/application-path/polarion/job-report?jobId=MyJobId",
+              "type": "string"
+            },
+            "self": {
+              "example": "server-host-name/application-path/jobs/MyJobId",
+              "type": "string"
+            }
+          },
+          "type": "object"
+        },
+        "relationships": {
+          "properties": {
+            "document": {
+              "properties": {
+                "data": {
+                  "properties": {
+                    "id": {
+                      "example": "MyProjectId/MySpaceId/MyDocumentId",
+                      "type": "string"
+                    },
+                    "type": {
+                      "enum": [
+                        "documents"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "type": "object"
+                }
+              },
+              "type": "object"
+            },
+            "documents": {
+              "properties": {
+                "data": {
+                  "items": {
+                    "properties": {
+                      "id": {
+                        "example": "MyProjectId/MySpaceId/MyDocumentId",
+                        "type": "string"
+                      },
+                      "type": {
+                        "enum": [
+                          "documents"
+                        ],
+                        "type": "string"
+                      }
+                    },
+                    "type": "object"
+                  },
+                  "type": "array"
+                }
+              },
+              "type": "object"
+            },
+            "project": {
+              "properties": {
+                "data": {
+                  "properties": {
+                    "id": {
+                      "example": "MyProjectId",
+                      "type": "string"
+                    },
+                    "type": {
+                      "enum": [
+                        "projects"
+                      ],
+                      "type": "string"
+                    }
+                  },
+                  "type": "object"
+                }
+              },
+              "type": "object"
+            }
+          },
+          "type": "object"
+        },
+        "type": {
+          "enum": [
+            "jobs"
+          ],
+          "type": "string"
+        }
+      },
+      "type": "object"
+    }
+  },
+  "type": "object"
+}

Changed1 schema field changedSep 7, 2026

addedInput schema / properties / dry_run

Added value: +{
+  "description": "If true, validate and return the request that would be sent without calling Polarion.",
+  "type": "boolean"
+}

First observedv1.0.0Jun 13, 2026

TDQS

A4.6/5.0

Behavior4/5

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

Adds substantial context beyond the annotations: asynchronous execution, a `jobs` resource return, and the need to poll `getJob`. It also restates the non-idempotent risk in operational terms and confirms the non-destructive semantics (data remains in the repository), both consistent with the declared hints. The only gap is what happens to in-flight references or permissions required to run the action.

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 effect and reversibility, then the mechanics, then the alternative. The final sentence about the executor returning previews as text or structured content is generic meta-commentary that slightly dilutes an otherwise tight definition.

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?

With an output schema present, return values need not be explained, and the description still covers the async workflow, polling target, reversibility, destructive alternative and a dry-run validation path. An agent has everything needed to call it and follow up correctly.

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 the baseline is 3, but the description earns a bump by recommending `dry_run: true` as a validation step and explaining the observable difference of the preview. `projectId` semantics are left to the schema, which already covers case sensitivity and lookup guidance.

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?

States a specific verb and resource ('Removes the Polarion project marker from a project') plus the key semantic distinction from deletion: the data stays and can be re-registered with markProject. An agent can distinguish this from deleteProject and markProject without opening any schema.

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?

Gives an explicit use case ('retire a project reversibly') and names the alternative with its condition ('to delete the project and its data use deleteProject', plus markProject for re-registration). It also prescribes a recommended first step ('set dry_run: true first to validate'), leaving nothing to inference.

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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