mcpcost

io.github.skhan61/email-tool

email-tool

Is the email-tool MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.

IMAP/SMTP email for AI assistants: read, search, draft and send, with CMMC-grade safeguards.

alive probed 2026-11-14 · unchanged since 2026-10-29

15tools
5.5ktokens in Claude Opus 5.5
2.7 %of Claude's 200k window
2.2×the median server
2.3 sto initialize
6 msto list tools
Run it
uvx email-tool-mcp@5.6.0 (stdio, probed in a container with the network off)
Host
pypi.org
Reports itself as
email-tool 5.6.0
Capabilities
prompts, resources, tools
Instructions
164 characters
Of a 1M window
0.5 % of a 1M context window
Count
5.5k tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 5.6k. The o200k_base estimate is 3.1k. Counted again when the tool definitions change. Method.
Repository
https://github.com/skhan61/email-tool
Registry
active, updated 2026-10-28 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.80×.

Tool≈ Claude tokenso200k estimateShare of this server
update_draft79444214 %
send_email79244114 %
create_draft72240213 %
save_attachment54830510 %
search_emails4492508 %

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Other registry entries on pypi.org, the ones next to this name; all of them.

Servers that mention email.

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mcpcost: alive

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Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.

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