mcpcost

io.github.solhammer/agent-toolbox

Agent Toolbox

Is the Agent Toolbox MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.

26 deterministic, offline pre-action safety gates for AI agents, each with a signed verdict.

alive probed 2026-11-14 · unchanged since 2026-10-30

26tools
10ktokens in Claude Opus 5.5
5.1 %of Claude's 200k window
4.1×the median server
872 msto initialize
10 msto list tools
Run it
npx -y agentoolbox-mcp@0.1.4 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
agent-toolbox 0.1.0
Capabilities
tools
Instructions
none
Of a 1M window
1.0 % of a 1M context window
Count
10k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 11k. The o200k_base estimate is 5.6k. Counted again when the tool definitions change. Method.
Repository
https://github.com/solhammer/agentoolbox
Website
https://agent-toolbox.ai
Registry
active, updated 2026-07-17 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.83×.

Tool≈ Claude tokenso200k estimateShare of this server
scan_url6653637 %
scan_pii6263426 %
scan_command5773156 %
check_tool_args5472995 %
finance_position_check5402955 %

Compare this server with others.

More servers

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

Servers that mention toolbox.

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