mcpcost

io.github.zwebso/postlane

postlane

Is the io.github.zwebso/postlane MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.

Send transactional email and read send activity through the Postlane API.

alive probed 2026-11-15 · unchanged since 2026-10-30

3tools
607tokens in Claude Opus 5.5
0.3 %of Claude's 200k window
0.2×the median server
82 msto initialize
4 msto list tools
Run it
npx -y postlane-mcp@0.1.0 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
postlane 0.1.0
Capabilities
tools
Instructions
none
Of a 1M window
<0.1 % of a 1M context window
Count
607 tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 631. The o200k_base estimate is 337. Counted again when the tool definitions change. Method.
Repository
https://github.com/zwebso/postlane
Website
https://www.postlane.email/docs
Registry
active, updated 2026-10-04 · 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
send_email44724874 %
get_email925115 %
list_emails683811 %

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