mcpcost

io.github.cerebrixos-org/tuning-engines

Tuning Engines - Governed AI Runtime

Is the Tuning Engines MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-01.

Govern model, agent, skill, and MCP workflows with policy, approvals, traces, and usage analytics.

alive probed 2026-11-15 · unchanged since 2026-11-01

101tools
15ktokens in Claude
7.5 %of Claude's 200k window
5.9×the median server
521 msto initialize
5.0 sto list tools
Run it
npx -y tuningengines-cli@0.4.34 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
tuning-engines 0.4.34
Capabilities
tools
Instructions
1 244 characters
Of a 1M window
1.5 % of a 1M context window
Count
15k tokens in Claude, exact, measured 2026-10-25. With the Claude Code prefix mcp__…__ on each tool name: 16k. The o200k_base estimate is 7.9k. Counted again when the tool definitions change. Method.
Repository
https://github.com/cerebrixos-org/tuning-engines-cli
Website
https://tuningengines.com
Registry
active, updated 2026-08-07 · registry entry
Changes
2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.88×.

Tool≈ Claude tokenso200k estimateShare of this server
create_job1 87499613 %
create_evaluation4632463 %
estimate_job4102183 %
tenant_resource_update3141672 %
tenant_resource_create2941562 %

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 engines.

History

We add a row when the result changes. A server with no change keeps its last row.

ProbedResultInitToolsClaudeo200k
2026-10-25 06:51alive293 ms10115k7.9k
2026-10-18 06:39alive521 ms1017.9k

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