Thermal label MCP server: render, validate, debug and convert ZPL, EPL, TSPL and CPCL labels.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
One-click editor setup isn’t available for this listing yet — we don’t have a confirmed install command, and we’d rather show nothing than point your editor at the wrong package or host. Follow the project’s own setup instructions, linked above.
Manual Client & Custom JSON ConfigExpand JSON ▾
No confirmed setup config for this listing yet. We only publish a config block when the install details come from the project itself — its README, its docs, or a verified owner. We haven’t found those for Labelixa, and we’d rather show nothing than a guess you’d paste into your client. Follow the project’s own setup instructions for the current steps.
Documentation Overview
labelixa-mcp
Labelixa is an MCP (Model Context Protocol) server and API platform for thermal label development. It gives AI assistants and developer tools the ability to render, validate, debug, inspect and convert thermal printer labels — ZPL, EPL, TSPL and CPCL — through MCP.
There are two ways to connect:
| Remote server (recommended) | This npm package | |
|---|---|---|
| Endpoint | https://api.labelixa.com/mcp | local process over stdio |
| Tool set | full set: rendering, validation, debugging, conversion, barcode analysis, printer compatibility, templates, bulk jobs | core subset (table below); each tool calls the Labelixa REST API |
| Install | nothing to install | npx -y labelixa-mcp or npm install -g labelixa-mcp |
| Authentication | optional lbx_ API key | optional lbx_ API key |
The live tool list of the remote server is at labelixa.com/mcp.
Remote server (no install)
Transport: Streamable HTTP, stateless JSON-RPC over POST. Anonymous use is free and rate-limited per IP; an API key uses the account's own quota. Keys: labelixa.com.
Claude Code:
With an API key:
Generic MCP client configuration (Claude Desktop, Cursor and other
clients that accept a url entry):
Drop the headers block for anonymous use.
Local server (this package)
Or skip installing and run it with npx straight from your MCP client
config:
Environment variables:
LABELIXA_API_KEY— optionallbx_API key. Without it the anonymous quota applies.LABELIXA_BASE_URL— optional; defaults tohttps://api.labelixa.com.
Requests never follow redirects, so a server cannot forward your key to
another host. Numeric inputs are checked before a request is made: dpmm
is 6, 8, 12 or 24, label sides are finite, above 0 and at most 15 inches,
and DPI values are 152, 203, 300 or 600.
Tools in this package
| Tool | What it does |
|---|---|
zpl_preview | Renders ZPL to a PNG image for inspection. Server-side render — not a guarantee of how a specific physical printer will output the label. |
zpl_validate | Lints ZPL and returns the structured diagnostics report (unknown commands, parameter ranges, layout overflow) as JSON. Pass the real label size — checks depend on it. |
barcode_generate | Generates a standalone barcode (SVG or PNG): code128, code39, ean13, upca, upce, itf14, msi, qrcode, datamatrix, pdf417. |
language_detect | Detects the printer language of raw label code (ZPL/EPL/TSPL/CPCL). Heuristic — returns a confidence tier, not a probability. |
epl_validate | Lints EPL/EPL2 code; positioned findings with severity, as JSON. |
tspl_validate | Lints TSPL/TSPL2 code; positioned findings with severity, as JSON. |
cpcl_validate | Lints CPCL code; positioned findings with severity, as JSON. |
zpl_compatibility | Compatibility RISK analysis of ZPL against a printer model. Not an emulator — reports language posture with evidence level; never says "it works". |
zpl_command_help | Looks up one ZPL command in the maintained catalog: name, syntax, parameters and whether the preview engine actually renders it — printer-side commands are marked as not rendered. Optional locale (en default, tr, de) translates the name and descriptions only; command codes, syntax strings, examples and parameter names are protocol and never change. |
convert_zpl_dpi | Rescales ZPL coordinates between printer resolutions (203/300/600 dpi). Embedded ^GF/~DG bitmaps are NOT rescaled — a warnings block precedes the output when present. |
explain_zpl | Full sectioned health report (syntax, size/DPI, orientation, barcodes, fonts, memory) with an honest score — sections it cannot assess say "not assessed" instead of counting. |
EPL, TSPL and CPCL previews, label templates, bulk generation, image-to-ZPL conversion and barcode reading from photos are on the remote server only.
Directory listings
- Official MCP Registry:
com.labelixa/zpl(remote server + this npm package). - Smithery:
labelixa/zpl. Smithery routes calls through its own gateway; the canonical endpoint ishttps://api.labelixa.com/mcp.
Honesty notes
- Errors carry the server's own message verbatim; quota exhaustion is
reported with the server's
Retry-Afterrather than a made-up delay. zpl_previewis a render, not a print: physical output depends on the printer, media and darkness settings.
Source of this package: github.com/Labelixa/labelixa-mcp. Docs: labelixa.com/docs/api. License: MIT.
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