io.github.Craftiee/circuitarium
Circuitarium MCP
MCP tools for CRUMB artifacts and Logisim-evolution analysis and non-interactive simulation.
alive probed 2026-10-14
22tools
11ktokens in Claude Opus 5.5
11ktokens in Claude Code
5.3 %of a 200k context window
5.7ko200k_base estimate
639 msto initialize
107 msto list tools
- Run it
- npx -y circuitarium-mcp@0.3.1 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- circuitarium-mcp 0.3.1
- Capabilities
- prompts, resources, tools
- Instructions
- 2 180 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/Craftiee/circuitarium-mcp
- Registry
- active, updated 2026-07-29 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| electronics_plan_verification | 1 774 | 31 % |
| crumb_compare_designs | 358 | 6 % |
| crumb_trace_net | 321 | 6 % |
| crumb_get_component | 273 | 5 % |
| logisim_run_test_vector | 273 | 5 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.Craftiee/circuitarium)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.