io.github.CynaCons/powerscroll

PowerScroll

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

Read and edit a live local-first PowerScroll visual notebook.

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

37tools

15ktokens in Claude Opus 5.5

7.7 %of Claude's 200k window

6.1×the median server

476 msto initialize

9 msto list tools

Run it: npx -y powerscroll-mcp@0.67.1 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: powerscroll-mcp 0.67.1
Capabilities: tools
Instructions: none
Of a 1M window: 1.5 % of a 1M context window
Count: 15k tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 16k. The o200k_base estimate is 9.2k. Counted again when the tool definitions change. Method.
Repository: https://github.com/CynaCons/PowerScroll
Registry: active, updated 2026-08-22 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.68×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
create_diagram_drawio	1 972	1 177	13 %
create_diagram_mermaid	1 012	604	7 %
create_diagram_plantuml	965	576	6 %
read_page	930	555	6 %
create_diagram_svg	848	506	6 %

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

Servers that mention notebook or visual.

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.