dev.workers.cybermax-tools.cybermax/sumbloom
Sumbloom
Number puzzle API + MCP: solver-checked puzzles as JSON/SVG, daily puzzle. $5/mo; 50 free/day.
alive probed 2026-10-11 · HTTP 200
1tools
484tokens in Claude Opus 5.5
494tokens in Claude Code
0.2 %of a 200k context window
281o200k_base estimate
264 msto initialize
253 msto list tools
- Endpoint
- https://sumbloom.cybermaxtools.com/mcp?via=mcp-registry (streamable-http)
- Host
- sumbloom.cybermaxtools.com
- Protocol
- 2025-11-25
- Reports itself as
- sumbloom-puzzles 1.1.0
- Capabilities
- tools
- Instructions
- 287 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-05. Counted again when the tool definitions change. Method.
- Repository
- https://gitlab.com/CyberMax.tools/agent-tools
- Website
- https://cybermaxtools.com/store/sumbloom-api/?s=mcp-registry-sumbloom
- Registry
- active, updated 2026-10-10 · registry entry
- Reachable
- 8 of the last 8 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| get_number_puzzle | 281 | 100 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-11 10:19 | alive | 226 ms | 1 | 484 | 281 |
| 2026-10-08 11:08 | alive | 248 ms | 1 | 484 | 281 |
| 2026-10-05 14:01 | alive | 264 ms | 1 | 484 | 281 |
| 2026-10-05 00:25 | alive | 107 ms | 1 | 281 | |
| 2026-10-04 10:00 | alive | 193 ms | 1 | 281 | |
| 2026-10-04 07:54 | alive | 98 ms | 1 | 281 | |
| 2026-10-03 20:33 | alive | 289 ms | 1 | 281 | |
| 2026-10-03 17:50 | alive | 182 ms | 1 | 281 |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.workers.cybermax-tools.cybermax/sumbloom)
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.