mcpcost

io.github.Guard-Core/guard-core-mcp

Guard Core

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

Guard Core security MCP: SecurityConfig validation, docs search, live threat detection.

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

9tools
5.4ktokens in Claude Opus 5.5
2.7 %of Claude's 200k window
2.1×the median server
2.2 sto initialize
7 msto list tools
Run it
uvx guard-core-mcp@1.7.0 (stdio, probed in a container with the network off)
Host
pypi.org
Reports itself as
guard-core 1.7.0
Capabilities
prompts, resources, tools
Instructions
957 characters
Of a 1M window
0.5 % of a 1M context window
Count
5.4k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 5.5k. The o200k_base estimate is 3.3k. Counted again when the tool definitions change. Method.
Repository
https://github.com/Guard-Core/guard-core-mcp
Website
https://guard-core.github.io/guard-core-mcp/
Registry
active, updated 2026-10-18 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.62×.

Tool≈ Claude tokenso200k estimateShare of this server
check_payload1 23075923 %
validate_config66841212 %
search_docs61738112 %
config_fields54333510 %
wire_agent53833210 %

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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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