io.github.OpenConverters/kelvin
Kelvin — power electronics components
Is the Kelvin MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.
Read-only parts catalogue for power electronics: search, selection, cross-reference.
alive probed 2026-11-14 · unchanged since 2026-10-27 · HTTP 200
- Endpoint
- https://kelvin.openconverters.com/mcp (streamable-http)
- Host
- kelvin.openconverters.com
- Protocol
- 2025-11-25
- Reports itself as
- Kelvin 1.27.0
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- 552 characters
- Of a 1M window
- 0.2 % of a 1M context window
- Count
- 1.8k tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 1.9k. The o200k_base estimate is 992. Counted again when the tool definitions change. Method.
- Website
- https://kelvin.openconverters.com
- Registry
- active, updated 2026-10-26 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.85×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| cross_reference | 403 | 218 | 22 % |
| search_parts | 355 | 192 | 19 % |
| recommend_parts | 305 | 165 | 17 % |
| spec_distribution | 291 | 157 | 16 % |
| part_details | 235 | 127 | 13 % |
Compare this server with others.
More servers
Servers that mention kelvin.
- Celsius to kelvin, number discarded io.github.sadri-dridi/c-k · alive
- Celsius to kelvin io.github.sadri-dridi/c-to-k · alive
- Fahrenheit to kelvin, number discarded io.github.sadri-dridi/f-k · alive
- Kelvin to celsius io.github.sadri-dridi/k-to-c · alive
- Rankine to kelvin, number discarded io.github.sadri-dridi/r-k · alive
- CollectSEA io.github.kelvin-ling/collectsea · alive
- io.github.kelvinbiffi/ollos-mcp · needs env
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.
Fixed something? Probe it now, with the same steps as the daily run. This page updates with the next daily run.