mcpcost

io.github.4hmetuyar/prompt-injection-scanner

guardbee-prompt-injection-scanner

Scans RAG content/scraped pages for indirect prompt injection

alive probed 2026-10-16

4tools
839tokens in Claude Opus 5.5
0.4 %of Claude's 200k window
0.4×the median server
256 msto initialize
9 msto list tools
Run it
npx -y @guardbee/mcp-prompt-injection-scanner@0.2.2 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
guardbee-prompt-injection-scanner 0.1.0
Capabilities
tools
Instructions
none
Of a 1M window
<0.1 % of a 1M context window
Count
839 tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 899. The o200k_base estimate is 472. Counted again when the tool definitions change. Method.
Repository
https://github.com/GuardBee/guardbee-mcp
Registry
active, updated 2026-10-02 · registry entry
Reachable
1 of the last 1 probe

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.78×.

Tool≈ Claude tokenso200k estimateShare of this server
scan_directory35720143 %
scan_text25214230 %
scan_file1407917 %
list_patterns895011 %

Same tool set as 1 other server

These registry entries have the same tool names and the same schema sizes.

Badge for the README

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.

Atom feed

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