io.github.roadtogideon222-byte/boringtoolskit
BoringToolsKit
36 free private calculator tools for Claude. No accounts, no data leaves your session.
alive probed 2026-10-15 · HTTP 200
36tools
7.2ktokens in Claude Opus 5.5
7.7ktokens in Claude Code
3.6 %of a 200k context window
4.0ko200k_base estimate
307 msto initialize
472 msto list tools
- Endpoint
- https://boringtoolskit.com/mcp (streamable-http)
- Host
- boringtoolskit.com
- Protocol
- 2025-11-25
- Reports itself as
- boringtoolskit 1.0.0
- Capabilities
- tools
- Instructions
- none
- Claude count
- Claude Opus 5.5, measured 2026-10-15. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/roadtogideon222-byte/boringtoolskit
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 1 of the last 1 probe
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| maintenance_calories | 176 | 4 % |
| tip_bill_split | 171 | 4 % |
| mortgage_payment | 166 | 4 % |
| growing_degree_day | 161 | 4 % |
| bmr_tdee | 149 | 4 % |
Badge and feed
[](https://mcpcost.ulehla.dev/s/io.github.roadtogideon222-byte/boringtoolskit)
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.