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Directory / Labelixa

Labelixa

Q: Is Labelixa MCP server safe?

QAmcp's test on 1 Nov 2026: None of the hidden-instruction wordings we know were found in its tool descriptions. Its error messages showed no secrets or internal details. 21 of its 23 tools are labeled read-only; the others may change or send things. Overall it scored 84/100 on 1 Nov 2026. A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

by labelixa.com · https://api.labelixa.com/mcp

Thermal label MCP server: render, validate, debug and convert ZPL, EPL, TSPL and CPCL labels.

23 tools✓ no account neededPricing: on their site

See pricing →Visit website

84 /100

PASS · WITH NOTES

12 of 12 checks · 1 Nov 2026

Is Labelixa MCP server safe?

None of the hidden-instruction wordings we know were found in its tool descriptions.
Its error messages showed no secrets or internal details.
21 of its 23 tools are labeled read-only; the others may change or send things.
Overall it scored 84/100 on 1 Nov 2026.

A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

What it can do

23 tools, in the server's own words.

zpl_previewread-only

Render ZPL label code and return the label as a PNG image.

zpl_validateread-only

Pass/fail lint for ZPL — machine-readable diagnostics with line/column, code and severity: unknown commands, missing ^FS, out-of-range parameters, fields outsi…

zpl_command_helpread-only

Explain a single ZPL command: syntax, parameters with types/ranges/options, a fragment example and whether the Labelixa renderer draws it.

barcode_pngread-only

Generate a single barcode as a PNG image (Code 128, QR, DataMatrix, EAN-13, UPC-A, PDF417 and more).

language_detectread-only

Detect which printer language raw label code is written in (ZPL, EPL, TSPL or CPCL).

epl_validateread-only

Lint EPL/EPL2 label code and return positioned findings with severity as JSON.

tspl_validateread-only

Lint TSPL/TSPL2 label code and return positioned findings with severity as JSON.

cpcl_validateread-only

Lint CPCL label code and return positioned findings with severity as JSON.

explain_zplread-only

Human-readable health REPORT for a finished ZPL label, with a 0-100 score: sectioned findings (syntax, size/DPI, orientation, barcodes, fonts, graphics memory,…

convert_zpl_dpiread-only

Rescale ZPL between printer resolutions (203/300/600 DPI): coordinates, fonts, barcode module width and label size are scaled.

template_listread-only

List Labelixa's first-party label template catalog: id, English name, category, size/density and tags.

template_getread-only

Fetch one catalog template: metadata, preview image URL and — for non-premium templates — the ZPL source, ready for zpl_preview.

save_label

Save a ZPL label to a Labelixa account so it can be edited, versioned and printed later.

epl_previewread-only

Render EPL/EPL2 label code and return a PNG preview.

tspl_previewread-only

Render TSPL/TSPL2 label code and return a PNG preview.

cpcl_previewread-only

Render CPCL label code and return a PNG preview.

image_to_zplread-only

Convert an image (PNG, JPEG, BMP or GIF, max 200 KB) to a ZPL ^GF graphic command.

barcode_verifyread-only

Decode barcodes from a photo or scan of a PRINTED label (PNG, JPEG, BMP or GIF) and report what a software decoder reads back.

zpl_compatibilityread-only

Compatibility RISK analysis of ZPL code against a specific printer model, given as manufacturer/model (e.g.

bulk_submit

Submit a bulk label production job: one ZPL template with {{variable}} placeholders plus data rows (one object per label).

bulk_statusread-only

Status of one bulk job you own: state, attempt count and — when finished — the summary with produced count and per-row failures (row number + reason; failed ro…

bulk_listread-only

List your recent bulk jobs (id, state, error class, timestamps), newest first.

printer_language_to_zplread-only

Convert a SATO SBPL, Honeywell (Datamax) DPL or Honeywell (Intermec) IPL label stream to ZPL, so it can be checked with zpl_validate and rendered with zpl_prev…

Test results

Safe mode: only tools labeled read-only were run. How the test works

!
Ready for the newest MCP version
1 warning
- !Uses an older MCP version (2025-06-18). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
!
Every tool is described
6 warnings
- !epl_validate and cpcl_validate have nearly the same description (91% of their words are shared; the only difference: "epl", "epl2" vs "cpcl"), so an AI may not know which to pick
- !tspl_validate and cpcl_validate have nearly the same description (91% of their words are shared; the only difference: "tspl", "tspl2" vs "cpcl"), so an AI may not know which to pick
- !epl_preview and cpcl_preview have nearly the same description (91% of their words are shared; the only difference: "epl", "epl2" vs "cpcl"), so an AI may not know which to pick
- !tspl_preview and cpcl_preview have nearly the same description (91% of their words are shared; the only difference: "tspl", "tspl2" vs "cpcl"), so an AI may not know which to pick
- !epl_validate and tspl_validate have nearly the same description (88% of their words are shared; the only difference: "epl", "epl2" vs "tspl", "tspl2"), so an AI may not know which to pick
- !epl_preview and tspl_preview have nearly the same description (88% of their words are shared; the only difference: "epl", "epl2" vs "tspl", "tspl2"), so an AI may not know which to pick
note
!
Bad inputs give a clean error
9 warnings
- !zpl_preview: Accepted wrong type for "zpl" without complaining
- !barcode_png: Accepted wrong type for "data" without complaining
- !language_detect: Accepted wrong type for "code" without complaining
- !cpcl_validate: Accepted wrong type for "cpcl" without complaining
- !explain_zpl: Accepted wrong type for "zpl" without complaining
- !convert_zpl_dpi: Accepted wrong type for "zpl" without complaining
- !epl_preview: Accepted wrong type for "epl" without complaining
- !bulk_list: Accepted wrong type for "limit" without complaining
- and 30 more
note
!
Follows MCP best practices (not scored yet)
2 tips (not scored)
- !2 tools answer with structured data but don't declare its shape (outputSchema): template_list, bulk_list. If those answers change shape, nothing can catch it; with a schema, every answer is checked.
- !zpl_command_help: Labeled read-only, but it takes a raw "command" input. A read-only label can't promise much when the tool runs whatever it's sent; make the tool itself refuse changes (for example with a read-only database user), or drop the label. QAmcp do
note
✓
ConnectsConnected in 413 ms
pass
✓
Lists its toolsFound 23 tools
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.
pass
✓
Tools work with good inputs
All good
- ✓zpl_preview: Worked (127 ms)
- ✓zpl_validate: Worked (90 ms)
- ✓barcode_png: Answered with an error, probably because of our sample input: Barcode 429: �PNG IHDRT`�l�0IDATx��y\��o � �[��X|��-XT�N](��,��, bD�*��<�u��("�(�M yL�K��0 ��~?~…
- ✓language_detect: Answered with an error, probably because of our sample input: language_detect 429: Per-second request limit exceeded (3/s). Starter: 5/s, 9 USD/month -> https://labelixa.com/pricing?amac=kota
- ✓epl_validate: Worked (178 ms)
- ✓tspl_validate: Answered with an error, probably because of our sample input: tspl_validate 429: Per-second request limit exceeded (3/s). Starter: 5/s, 9 USD/month -> https://labelixa.com/pricing?amac=kota
- ✓cpcl_validate: Answered with an error, probably because of our sample input: cpcl_validate 429: Per-second request limit exceeded (3/s). Starter: 5/s, 9 USD/month -> https://labelixa.com/pricing?amac=kota
- ✓explain_zpl: Answered with an error, probably because of our sample input: Report 429: Per-second request limit exceeded (3/s). Starter: 5/s, 9 USD/month -> https://labelixa.com/pricing?amac=kota
- and 15 more
pass
✓
Tools work togethertemplate_list → template_get: template_get found what template_list returned (template_id = "gonderi-103x150")
pass
✓
Fast enough
All good
- ✓Connecting took 413 ms
- ✓Listing tools took 90 ms
- ✓Average tool answer: 113 ms
- ✓barcode_png: Slowest tool: barcode_png (367 ms)
pass
✓
No secrets leakedChecked 44 error messages: no secrets or internal details
pass

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://api.labelixa.com/mcp

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Score over time

1 Nov 202684

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use Labelixa, signed in with GitHub, one per person. Reviews never change the score.

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