io.github.appvantagelabs2-a11y/barcode

up checked 2026-11-11T11:37:27.394Z

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Publisher-provided title

Barcode Tools (decode, render, GTIN validate)

Publisher-provided description

Decode, render, validate barcodes: QR, DataMatrix, EAN, UPC, PDF417. All tools free, no auth.

Summary by lookupd

Decodes barcodes from images, renders barcodes as PNG, lists formats, and validates GTIN/EAN/UPC checksums.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http barcode https://mcp.casuyi.com/mcp

Codex, remote (streamable-http)

codex mcp add barcode --url https://mcp.casuyi.com/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "barcode": {
      "url": "https://mcp.casuyi.com/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (4 tools)

Publisher-provided text

• decode_barcode Detect and decode all barcodes in an image. Input: base64-encoded image bytes (PNG/JPEG/WebP/anything sharp reads). Output: JSON array of {format, text}. Suppor
• render_barcode Render text as a barcode PNG. format: one of qr, aztec, datamatrix, code128, code39, code93, ean13, ean8, upca, itf, pdf417. Output: base64 PNG plus 'decoded' s
• validate_gtin Check a product code against GTIN rules: length + mod-10 checksum. Returns {valid, type: ean13|ean8|upcA|null, normalized}. Rejects codes with a broken checksum
• list_formats Static table of supported barcode formats with render/decode support and notes.

Details

• Version: 1.0.2
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 754 ms
• First indexed: 2026-11-01T09:20:19.546Z
• Last seen in registry: 2026-11-01T09:20:19.573Z
• Website: https://mcp.casuyi.com/

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• 62071 servers
• Last crawl: 2026-11-11T16:17:25.167Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp