mcpcost

io.github.Kyrzin/kybase

Kybase

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

Self-hosted Markdown memory for AI agents: notes you can read and edit, with hybrid search.

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

18tools
≈ 5.8ktokens, estimate
≈ 2.9 %of Claude's 200k window
3.9×the median server
423 msto initialize
51 msto list tools
Run it
npx -y kybase-mcp@0.2.4 (stdio, probed in a container with the network off)
Host
npmjs.com
Reports itself as
kybase 1.5.2
Capabilities
tools
Instructions
2 074 characters
Of a 1M window
≈ 0.6 % of a 1M context window, estimate
Claude count
The count_tokens endpoint refused the tool schemas: tools.2.custom.input_schema: input_schema does not support oneOf, allOf, or anyOf at the top level. The estimate stands in.
Repository
https://github.com/Kyrzin/kybase
Website
https://kyrzin.github.io/kybase/
Registry
active, updated 2026-10-29 · 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

Estimates with the o200k_base tokenizer.

Toolo200k estimateShare of this server
search_notes94716 %
replace_in_note56010 %
get_graph4898 %
get_note4798 %
append_to_note4398 %

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

Servers that mention markdown or hosted.

History

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

ProbedResultInitToolsClaudeo200k
2026-10-30 07:50alive322 ms185.8k
2026-10-19 06:52alive423 ms185.7k

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