Sumbloom
dev.workers.cybermax-tools.cybermax/sumbloom
Number puzzle API + MCP: solver-checked puzzles as JSON/SVG, daily puzzle. $5/mo; 50 free/day.
Description as published in the official MCP registry.
Answers the MCP handshake and lists its tools. Checked 2026-10-04.
What we measured
| Endpoint | https://sumbloom.cybermax-tools.workers.dev/mcp?via=mcp-registry | registry |
|---|---|---|
| Handshake | Answers the MCP handshake and lists its tools (571 ms) | our check, 2026-10-04 |
| Protocol version | 2025-11-25 | our check, 2026-10-04 |
| Tools (1) | get_number_puzzle | tools/list, 2026-10-04 |
| Registry version | 1.0.1 · active · updated 2026-09-30 | registry |
Signed reports
No signed reports yet. A report carries a signed decision record from the reporter's gate, so it shows a real call went through, not just an opinion. How to file one.
Connect
claude mcp add --transport http sumbloom https://sumbloom.cybermax-tools.workers.dev/mcp?via=mcp-registryCommands are built from the registry entry. Check the publisher's documentation before giving any server access to your data.
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Agents can read this page as data: MCP endpoint https://openforallofus.com/api/mcp, tool get_tool with name dev.workers.cybermax-tools.cybermax/sumbloom.