io.github.jgalea/mailbox-mcp
mailbox-mcp
Is the io.github.jgalea/mailbox-mcp MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Multi-account email MCP server for Gmail, IMAP, and JMAP: search, send, drafts, labels.
alive probed 2026-11-14 · unchanged since 2026-10-30
- Run it
- npx -y mailbox-mcp@0.13.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- mailbox-mcp 0.13.1
- Capabilities
- tools
- Instructions
- 1 707 characters
- Of a 1M window
- 1.1 % of a 1M context window
- Count
- 11k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 11k. The o200k_base estimate is 6.0k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/jgalea/mailbox-mcp
- Registry
- active, updated 2026-10-10 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.79×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| authenticate | 980 | 549 | 9 % |
| forward_email | 659 | 369 | 6 % |
| reply_email | 623 | 349 | 6 % |
| send_email | 600 | 336 | 6 % |
| create_draft | 511 | 286 | 5 % |
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Servers that mention mailbox.
- mailmcp ai.mailmcp/mailmcp · needs auth
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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.