mcpcost

io.github.gaokai258/fee-optimizer-mcp

Fee Optimizer MCP

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

Compare crypto exchange fees across 18 venues: VIP tiers, funding, spread, fiat rails, change feed.

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

20tools
27ktokens in Claude
13.7 %of Claude's 200k window
11×the median server
523 msto initialize
26 msto list tools
Run it
npx -y fee-optimizer-mcp@0.49.1 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
fee-optimizer-mcp 0.49.1
Capabilities
tools
Instructions
36 949 characters
Of a 1M window
2.7 % of a 1M context window
Count
27k tokens in Claude, exact, measured 2026-10-25. With the Claude Code prefix mcp__…__ on each tool name: 28k. The o200k_base estimate is 17k. Counted again when the tool definitions change. Method.
Repository
https://github.com/gaokai258/feemcp
Registry
active, updated 2026-09-20 · 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, 1.65×.

Tool≈ Claude tokenso200k estimateShare of this server
calculate_annual_cost2 5211 5289 %
recommend_exchange2 4771 5019 %
compare_total_cost2 4351 4769 %
compare_countries2 0561 2468 %
analyze_persona1 9921 2077 %

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 optimizer.

History

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

ProbedResultInitToolsClaudeo200k
2026-10-25 06:53alive450 ms2027k17k
2026-10-18 06:41alive523 ms2017k

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.

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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.

For the publisher