# mcp-server-polarion MCP Server

MCP server for Polarion ALM — read and write documents and work items

**Publisher claimed.** No tool list reported, and Pod has not connected to this server.

## Status

Pod has not dialled mcp-server-polarion yet, so everything on this page is what its publisher reported rather than what we observed. Registries describe servers; they do not connect to them. Until a check runs, treat the tool list below as a claim.

## Connect

Published as `mcp-server-polarion` on pypi. Runs locally.

## Known issues

**20 problems reported by people outside the maintainer team.** Issues filed by the project's own owners, members and collaborators are excluded — those are release checklists and internal refactors, not things that will go wrong for you. Showing 12.

### Most discussed

### tools(test-records): evaluate attachment delete tool

### Origin

PR #222, review round 1 (pipeline follow-up export)

### Finding

Test record attachment DELETE returned 204 on the live testdrive project (2026-07-21) — unlike document attachments (405, REST-irreversible). The server ships no delete tools anywhere today, so uploads to test records are currently irreversible through this MCP server even though the API allows deletion. The create tool's docstring deliberately makes no irreversibility claim.

### Suggested fix

Decide whether a delete

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/224) · 2026-07-21 · closed · 2 comments

### guard(comments): validate attachment refs in comment bodies

### Origin

PR feat/attachment-ref-guard — user-decided scope exclusion at spec time.

### Finding

Document and work item comment bodies accept HTML that can carry `attachment:`/`workitemimg:` refs. Comment write tools apply no attachment-ref validation, so dangling refs persist there exactly as they did in document/work-item bodies before the guard landed. Whether either scheme even resolves when rendered inside a comment is unverified.

### Suggested fix

Live-probe scheme resolution in comme

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/214) · 2026-07-20 · closed · 2 comments

### guard(documents): probe copy_document attachment refs

### Origin

PR feat/attachment-ref-guard — spec UNVERIFIED item, deferred out of scope.

### Finding

`copy_document` copies body HTML containing `attachment:{id}` refs, but whether Polarion copies the attachments with the document (refs keep resolving in the target) or leaves the copied body dangling is unverified. If attachments are not copied, every copied body image is a silent broken ref — same ghost class the attachment-ref guard now blocks on update paths.

### Suggested fix

Live-probe o

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/213) · 2026-07-20 · closed · 2 comments

### Recommendation to use polarion-rest-api-client

### Problem

Hi devemberx,

I am deciding on using or developing an MCP server for Polarion and found this repository. It is impressive that evals and guardrails are developed as part of the MCP server! 

**devemberx/mcp-server-polarion** currently implements its own httpx-based PolarionClient for interacting with the Polarion REST API instead of reusing the existing [dbinfrago/polarion-rest-api-client](https://github.com/dbinfrago/polarion-rest-api-client).

This creates duplicated client-layer

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/162) · 2026-07-09 · closed · external user · 2 comments

### evals(harness): doc attachment/comment routes ignore page params

### Origin

PR #240 review (merge round).

### Finding

evals/harness/fake_polarion.py doc attachment route (and document comment route) ignore `page[size]`/`page[number]` entirely — full collection served on every page. Live rule: overshoot of non-empty collection = empty `data` + `meta.totalCount` (doc overshoot-only rule); fake can never reproduce that shape, and a model requesting page 2 gets page 1 again. Fidelity gap only — nothing consumes it today; out of #227 scope (WI/testrecord routes

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/243) · 2026-07-29 · closed · 1 comment

### Most recent

### follow-up: renderingLayouts order re-points document part layout index

### Origin

PR #252, live probing of document parts on a test instance

### Finding

A document part of type `workitem` carries a `layout` attribute holding an integer:

```json
{"id": "workitem_XXXX-758", "type": "workitem", "level": 0, "layout": 0}
```

The value indexes into the document's `renderingLayouts` array — the document probed had
a single entry, and its work item part pointed at index 0.

`update_document(rendering_layout_types=[...])` PATCHes `renderingLayouts` as a whole
array (Po

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/254) · 2026-08-12 · open · 0 comments

### follow-up: mirror portal label/properties on rendering layouts

### Origin

PR #252, live probing of portal-created documents

### Finding

`src/mcp_server_polarion/tools/documents.py:100` — `_rendering_layouts_attribute`
writes `{"type": <id>, "layouter": "paragraph"}` and nothing else. Documents created
through the Polarion portal carry two more members on every layout entry:

```json
{"type": "testcase", "label": "Test Case", "layouter": "paragraph",
 "properties": [{"key": "fieldsAtStart", "value": "id"},
                {"key": "fieldsAtEnd", "value": "

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/253) · 2026-08-12 · closed · 0 comments

### docs(tools): note heading WI comments hidden in portal

### Origin

Spun off #225 during PR #239 review. The #225 live probe (2026-07-21) found the portal hides not only the Attachments section but also comments on heading-type work items; #239 documented only the attachment side on `create_work_item_attachments`.

### Finding

Posting comments to a heading-type work item succeeds over REST and the API round-trip works, but the portal hides the comments section on heading-type items — such comments are reachable only through the API, same pattern as 

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/242) · 2026-07-29 · open · 0 comments

### evals(harness): emit totalCount on overshoot in attachment routes

### Origin

PR #226, review round 1 (FOLLOW-UPS section).

### Finding

evals/harness/fake_polarion.py:598 — testrecord + work-item attachment routes emit `meta.totalCount` only when the collection spans more than one page. Live rule also serves it on overshoot of a non-empty collection (page past end, empty `data`). Never consumed by tools (`compute_has_more` works without), so no test is falsely green — fidelity gap only.

### Suggested fix

Add `or (page_number > 1 and data == [] and resource

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/227) · 2026-07-21 · closed · 0 comments

### docs(tools): note heading-type work item attachments hidden in portal

### Origin

Live probe for #214 (2026-07-21) — attachment was planted on a heading-type work item and turned out to be invisible in the portal.

### Finding

Uploading attachments to a heading-type work item succeeds over REST, and the full API round-trip works (upload 201, list, content download). The portal, however, hides the Attachments section (and comments) on heading-type items, so portal users cannot see or manage such uploads — effectively API-only data.

### Suggested fix

No hard guar

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/225) · 2026-07-21 · closed · 0 comments

### tools(test-records): add attachment list/get-content tools

### Origin

PR #222, review round 1 (pipeline follow-up export)

### Finding

Test record attachments are create-only on the MCP surface. Collection GET with a fields param was verified working on the live testdrive project (2026-07-21), so list and content-read tools are implementable now. The create tool's duplicate-name prevention hint currently points at list_test_records because no attachment list tool exists — an honest but indirect verification path.

### Suggested fix

Add list_test_reco

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/223) · 2026-07-21 · closed · 0 comments

### hooks: fix validate_pr body extraction on inner double quotes

### Origin

PR #210 creation, 2026-07-21 — first `gh pr create` attempt was blocked with a false "The ## Changes section must contain exactly 2" error although the body had exactly two compliant bullets.

### Finding

`.claude/hooks/validate_pr.py:131` (`extract_body`) re-parses the Bash command string with `shlex.split` and takes the token after `--body`. With the common `--body "$(cat <<'EOF' ... EOF)"` form, shlex understands neither command substitution nor heredocs — the first double quote 

[Read the thread](https://github.com/devemberx/mcp-server-polarion/issues/211) · 2026-07-20 · closed · 0 comments

[See all 17 reports Pod holds for mcp-server-polarion](/mcp/mcp-server-polarion/issues) — of 20 qualified upstream.

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