io.github.alpha-nu/pensketch
pensketch
Is the pensketch MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.
An MCP server for pensketch: check, render and rasterise hand-sketched diagrams.
alive probed 2026-11-14 · unchanged since 2026-10-31
- Run it
- npx -y @pensketch/mcp@0.13.0 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- pensketch 0.13.0
- Capabilities
- resources, tools
- Instructions
- none
- Of a 1M window
- 0.6 % of a 1M context window
- Count
- 5.9k tokens in Claude Opus 5.5, exact, measured 2026-10-17. With the Claude Code prefix mcp__…__ on each tool name: 6.0k. The o200k_base estimate is 3.8k. Counted again when the tool definitions change. Method.
- Registry
- active, updated 2026-09-15 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.56×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| render_diagram | 2 409 | 1 544 | 41 % |
| check_diagram | 1 825 | 1 170 | 31 % |
| render_png | 1 485 | 952 | 25 % |
| get_schema | 223 | 143 | 4 % |
Compare this server with others.
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Other registry entries on npmjs.com, the ones next to this name; all of them.
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- CRED-1 io.github.aloth/cred-1 · alive
- olcli io.github.aloth/olcli · crashed on start
- CONTRI io.github.alphasafal/contri · alive
- io.github.alphasmo/alphasmo-tools · alive
- Alphorn io.github.alphorn-dev/mcp · crashed on start
- io.github.altmetric/altmetric-mcp · alive
Servers that mention rasterise or diagrams.
- AutEng MCP - Markdown Publishing & Document Share Links ai.auteng/mcp · alive
- DiagramZu ai.diagramzu/mcp · needs auth
- ai.jeda/jeda-ai · alive
- Line9 ai.line9/diagrams · alive
- Lucid app.lucid.mcp/lucid · needs auth
- ai.smithery/hustcc-mcp-mermaid · not found
- com.ainetcafe/netcafe-images · alive
- ExcaliClaw com.excaliclaw/excaliclaw · needs auth
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
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
- The server answers initialize and tools/list. Nothing to fix.