io.github.domdomegg/barcode-scanner-mcp
Barcode Scanner
Is the Barcode Scanner MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Scan and generate barcodes and QR codes.
alive probed 2026-11-15 · unchanged since 2026-10-31
3tools
1.2ktokens in Claude Opus 5.5
0.6 %of Claude's 200k window
0.5×the median server
412 msto initialize
11 msto list tools
- Run it
- npx -y barcode-scanner-mcp@1.2.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- barcode-scanner-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- 0.1 % of a 1M context window
- Count
- 1.2k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 1.2k. The o200k_base estimate is 712. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/domdomegg/barcode-scanner-mcp.git
- Website
- https://github.com/domdomegg/barcode-scanner-mcp#readme
- Registry
- active, updated 2026-03-07 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.64×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| generate_barcode | 592 | 362 | 51 % |
| decode_image | 319 | 195 | 27 % |
| generate_qr | 254 | 155 | 22 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- Documentero io.github.documentero/documentero-mcp · needs env
- Cedulon io.github.dogrucanemek-alt/cedulon · alive
- Conarium io.github.dogrucanemek-alt/conarium · crashed on start
- Airtable io.github.domdomegg/airtable-mcp-server · alive
- Computer Use io.github.domdomegg/computer-use-mcp · crashed on start
- Defuddle Fetch io.github.domdomegg/defuddle-fetch-mcp-server · crashed on start
- Downdetector io.github.domdomegg/downdetector-mcp · alive
- Filesystem io.github.domdomegg/filesystem-mcp · alive
Servers that mention barcode.
- Food Facts app.openkrill/food · alive
- Calories Club: AI Food Tracker app.recordo.api/calories-club · needs auth
- Store Catalog com.agenttoolworks/storecatalog · alive
- com.jojapi/product-barcode-api · alive
- MCPFax Food Facts com.mcpscores/food-facts · alive
- com.ponito/product-intelligence · needs auth
- stierproducts tier lists com.stierproducts/tier-lists · alive
- stagenth · 二维码工具箱 com.stagenth/qr-kit · TLS error
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.