Is the Barcode Generator API MCP server free to use?

Yes. Barcode Generator API is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Is the Barcode Generator API MCP server free to use?

Yes. Barcode Generator API is listed on AllMCPs as a free, open Model Context Protocol server you can install into Claude Desktop, Cursor, or any MCP-compatible client.

Barcode Generator API

Generate barcodes â€” EAN-13, UPC-A, Code128, Code39. Returns SVG. x402 micropayment.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Install Config Generator

Choose your client

claude_desktop_config.json

{
  "mcpServers": {
    "barcode-generator-api": {
      "command": "npx",
      "args": [
        "-y",
        "barcode-generator-api"
      ]
    }
  }
}

💡 Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows)

Documentation Overview

Barcode Generator API

Generate barcodes -- EAN-13, UPC-A, Code128, Code39. Base64 SVG output, custom width and height. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.

Quickstart -- MCP

Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):

config.json

{
  "mcpServers": {
    "barcode-generator": {
      "url": "https://barcode-generator.api.klymax402.com/mcp"
    }
  }
}

Quickstart -- HTTP (x402)

Terminal

curl -X POST "https://barcode-generator.api.klymax402.com/api/barcode" \
  -H "Content-Type: application/json" \
  -d '{"data":"..."}'
# -> 402 Payment Required, with an x402 payment challenge in the response body

Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.

Tools

Tool	Method	Path	Price	Description
`utility_generate_barcode`	POST	`/api/barcode`	$0.003	Generate a barcode from text or number

`utility_generate_barcode`

Use this when you need to generate a barcode from text or a number. Returns base64-encoded SVG image in JSON.

Parameters

Name	Type	Required	Description
`data`	string	yes	Data to encode in the barcode
`format`	string	no	Barcode format: code128, code39, ean13, upca (default: code128)
`width`	number	no	Bar width in pixels (default: 2)
`height`	number	no	Barcode height in pixels (default: 100)

Example response:

config.json

{"data":"5901234123457","format":"ean13","image":"PHN2ZyB4bWxu...","width":264,"height":142}

When to use: product labeling, inventory management, shipping labels, retail POS systems, and asset tracking barcodes.

Not for: QR codes (use utility_generate_qr_code), image resizing (use media_resize_image), PDF generation (use document_generate_pdf).

Example agent prompts

"Generate a barcode from text or a number"

Payment

Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
Network: Base L2 (eip155:8453)
Asset: USDC
Facilitator: Coinbase CDP (primary), PayAI (fallback)
Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)

Part of klymax402

100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.

Catalog: https://klymax402.com/llms.txt
Full API reference: https://klymax402.com/llms-full.txt
Live stats: https://klymax402.com/stats

License

MIT

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Frequently Asked Questions about Barcode Generator API

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "barcode-generator-api": { "command": "npx", "args": ["-y", "Barcode Generator API"] } }

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Technical Specs & Signals

CategoryFinance & Fintech

0/4 checks healthy over the last 7h

27Quality signal: Emerging · 27/100How this signal is calculated ▾

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Documentation & tools11/30

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More in 💰 Finance & Fintech →Best MCP servers for Finance & Fintech →Alternatives to Barcode Generator API →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

Barcode Generator API

Generate barcodes -- EAN-13, UPC-A, Code128, Code39. Base64 SVG output, custom width and height. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.

Quickstart -- MCP

Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):

config.json

{
  "mcpServers": {
    "barcode-generator": {
      "url": "https://barcode-generator.api.klymax402.com/mcp"
    }
  }
}

Quickstart -- HTTP (x402)

Terminal

curl -X POST "https://barcode-generator.api.klymax402.com/api/barcode" \
  -H "Content-Type: application/json" \
  -d '{"data":"..."}'
# -> 402 Payment Required, with an x402 payment challenge in the response body

Any x402-aware client (@x402/fetch, x402-agent-tools, ATXP) handles the 402 -> sign -> retry cycle automatically.

Tools

Tool	Method	Path	Price	Description
`utility_generate_barcode`	POST	`/api/barcode`	$0.003	Generate a barcode from text or number

`utility_generate_barcode`

Use this when you need to generate a barcode from text or a number. Returns base64-encoded SVG image in JSON.

Parameters

Name	Type	Required	Description
`data`	string	yes	Data to encode in the barcode
`format`	string	no	Barcode format: code128, code39, ean13, upca (default: code128)
`width`	number	no	Bar width in pixels (default: 2)
`height`	number	no	Barcode height in pixels (default: 100)

Example response:

config.json

{"data":"5901234123457","format":"ean13","image":"PHN2ZyB4bWxu...","width":264,"height":142}

When to use: product labeling, inventory management, shipping labels, retail POS systems, and asset tracking barcodes.

Not for: QR codes (use utility_generate_qr_code), image resizing (use media_resize_image), PDF generation (use document_generate_pdf).

Example agent prompts

"Generate a barcode from text or a number"

Payment

Protocol: x402 -- HTTP-native pay-per-call, no signup, no API key
Network: Base L2 (eip155:8453)
Asset: USDC
Facilitator: Coinbase CDP (primary), PayAI (fallback)
Also reachable via ATXP (OAuth-wrapped x402, RFC 9728 protected-resource metadata)

Part of klymax402

100 x402 micropayment APIs for AI agents -- one wallet, USDC on Base, zero signup.

Catalog: https://klymax402.com/llms.txt
Full API reference: https://klymax402.com/llms-full.txt
Live stats: https://klymax402.com/stats

License

MIT

Frequently Asked Questions about Barcode Generator API

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "barcode-generator-api": { "command": "npx", "args": ["-y", "Barcode Generator API"] } }