mcpcost

io.github.index9-org/mcp

Index9

Is the Index9 MCP server down? No. It answered initialize and tools/list in the probe of 2026-11-02.

Discover, shortlist, compare, cost-model, and live-test 300+ AI models from your editor

alive probed 2026-11-14 · unchanged since 2026-11-02

5tools
8.8ktokens in Claude Opus 5.5
4.4 %of Claude's 200k window
3.5×the median server
393 msto initialize
19 msto list tools
Run it
npx -y @index9/mcp@6.5.2 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
index9 4.0.0
Capabilities
tools
Instructions
4 476 characters
Of a 1M window
0.9 % of a 1M context window
Count
8.8k tokens in Claude Opus 5.5, exact, measured 2026-11-02. With the Claude Code prefix mcp__…__ on each tool name: 8.9k. The o200k_base estimate is 5.2k. Counted again when the tool definitions change. Method.
Repository
https://github.com/index9-org/mcp
Registry
active, updated 2026-05-18 · 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, 1.71×.

Tool≈ Claude tokenso200k estimateShare of this server
test_model3 3651 97038 %
find_models3 0511 78635 %
compare_models1 11565313 %
get_models1 03560612 %
list_facets2701583 %

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Servers that mention shortlist or discover.

History

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

ProbedResultInitToolsClaudeo200k
2026-11-02 08:21alive231 ms58.8k5.2k
2026-10-19 06:52alive393 ms55.2k

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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.

For the publisher