mcpcost

io.github.saagpatel/shadow-mcp

shadow-mcp

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

Local MCP server that inventories and risk-grades MCP servers configured on this machine.

alive probed 2026-11-14 · unchanged since 2026-10-31

4tools
360tokens in Claude Opus 5.5
0.2 %of Claude's 200k window
0.1×the median server
2.9 sto initialize
9 msto list tools
Run it
uvx shadow-mcp@0.2.0 (stdio, probed in a container with the network off)
Host
pypi.org
Reports itself as
shadow-mcp 1.30.0
Capabilities
experimental, prompts, resources, tools
Instructions
136 characters
Of a 1M window
<0.1 % of a 1M context window
Count
360 tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 408. The o200k_base estimate is 179. Counted again when the tool definitions change. Method.
Repository
https://github.com/saagpatel/shadow-mcp
Registry
active, updated 2026-07-03 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 2.01×.

Tool≈ Claude tokenso200k estimateShare of this server
deep_scan1216034 %
scan_local844223 %
list_sources783922 %
discover_local763821 %

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

Servers that mention shadow.

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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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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.

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