io.github.cnohall/emptyinbox
EmptyInbox
Zero-config disposable email inboxes for AI agents: create, read mail, await verify codes.
alive probed 2026-10-14
12tools
2.8ktokens in Claude Opus 5.5
2.9ktokens in Claude Code
1.4 %of a 200k context window
1.7ko200k_base estimate
344 msto initialize
10 msto list tools
- Run it
- npx -y emptyinbox-mcp@1.5.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- emptyinbox 1.5.0
- Capabilities
- tools
- Instructions
- 1 737 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/blockonomics/emptyinbox-me
- Registry
- active, updated 2026-10-08 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| report_issue | 280 | 17 % |
| buy_quota | 220 | 13 % |
| wait_for_message | 211 | 13 % |
| get_message | 185 | 11 % |
| check_payment | 163 | 10 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.cnohall/emptyinbox)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.