mcpcost

io.github.Cubenest/peek-mcp

peek

Is the peek MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.

Exposes recorded browser sessions (rrweb DOM, console, network) to AI coding agents, fully local

alive probed 2026-11-15 · unchanged since 2026-10-31

19tools
11ktokens in Claude Opus 5.5
5.7 %of Claude's 200k window
4.5×the median server
280 msto initialize
11 msto list tools
Run it
npx -y @peekdev/mcp@0.1.0-alpha.24 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
peek-mcp 0.1.0-alpha.24
Capabilities
tools
Instructions
1 341 characters
Of a 1M window
1.1 % of a 1M context window
Count
11k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 12k. The o200k_base estimate is 6.5k. Counted again when the tool definitions change. Method.
Repository
https://github.com/Cubenest/rrweb-stack
Website
https://peek.cubenest.in
Registry
active, updated 2026-07-09 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.76×.

Tool≈ Claude tokenso200k estimateShare of this server
execute_action2 2731 29220 %
request_authorization1 9501 10817 %
search_sessions6923936 %
request_user_input6903926 %
query_dom_history6463676 %

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

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mcpcost: alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

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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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