io.github.ridget/supernote-mcp

Supernote

Is the Supernote MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.

Capture the screen, read/render notes, and upload files on a Ratta Supernote from an AI agent.

alive probed 2026-11-14 · unchanged since 2026-10-31

5tools

2.2ktokens in Claude Opus 5.5

1.1 %of Claude's 200k window

0.9×the median server

280 msto initialize

12 msto list tools

Run it: npx -y supernote-mcp@0.2.2 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: supernote-mcp 0.2.2
Capabilities: tools
Instructions: 1 132 characters
Of a 1M window: 0.2 % of a 1M context window
Count: 2.2k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 2.2k. The o200k_base estimate is 1.3k. Counted again when the tool definitions change. Method.
Repository: https://github.com/ridget/supernote-mcp
Registry: active, updated 2026-06-03 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.64×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
supernote_render_note	477	291	22 %
supernote_upload_file	472	288	22 %
supernote_read_note	441	269	20 %
supernote_list_files	419	256	19 %
supernote_snapshot	352	215	16 %

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

Servers that mention supernote or capture or render.

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.