io.github.mrfentmen/upcitemdb-mcp
upcitemdb-mcp
Is the io.github.mrfentmen/upcitemdb-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
Barcode product lookup from UPCitemdb. No key required.
alive probed 2026-11-15 · unchanged since 2026-10-31
- Run it
- npx -y upcitemdb-mcp@1.0.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- upcitemdb-mcp 1.0.0
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 119 tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 134. The o200k_base estimate is 63. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/mrfentmen/upcitemdb-mcp
- Registry
- active, updated 2026-09-21 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.89×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| lookup | 119 | 63 | 100 % |
Compare this server with others, or with the servers that share its tool set.
Same tool set as 1 other server
These registry entries have the same tool names and the same schema sizes.
- io.github.mrfentmen/freegeoip-mcp npmjs.com
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.mrfentmen/unrealscript-mcp · alive
- io.github.mrfentmen/unstats-mcp · alive
- io.github.mrfentmen/untyped-plutus-core-mcp · alive
- io.github.mrfentmen/upbit-mcp · alive
- io.github.mrfentmen/upf-mcp · alive
- io.github.mrfentmen/uptime-kuma-mcp · alive
- io.github.mrfentmen/uptime-mcp · alive
- io.github.mrfentmen/uptimerobot-mcp · alive
Servers that mention required or barcode.
- ai.augmentev/paseo · needs auth
- Creator SKILL — Influencer Discovery ai.deinai/creator-skill · needs auth
- Dryos Workspace ai.dryos/dryos-workspace · needs auth
- Just Publish. ai.justpublish/just-publish · needs auth
- Perlucem TBPI — Bank Performance Intelligence ai.perlucem/tbpi · needs auth
- TravelMindsAI travel data ai.travelminds/concierge · no DNS
- Jade MCP app.jadehosting/mcp · needs auth
- Food Facts app.openkrill/food · alive
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.