The Sumbloom MCP server,
connected in one click.
Number puzzle API + MCP: solver-checked puzzles as JSON/SVG, daily puzzle. $5/mo; 50 free/day. Connect the official Sumbloom MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Add Sumbloom to your AI in one minute
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http sumbloom-sumbloom https://sumbloom.cybermaxtools.com/mcp?via=mcp-registryRun in your terminal, then restart Claude Code.
Sumbloom · https://sumbloom.cybermaxtools.com/mcp?via=mcp-registry
What your AI can do with Sumbloom
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “get_number_puzzle”: Returns an original number puzzle (Target, Cage Grid or Brick Pyramid) at easy, medium or hard, with its rules, the puzzle as JSON, an SVG i.”
How secure is the Sumbloom MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Sumbloom holds up.
Official endpoint
Operated by Sumbloom (cybermaxtools.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If Sumbloom adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick Sumbloom
Choose Sumbloom in the gate directory. No sign-in needed.
Use it anywhere
Sumbloom's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools Sumbloom exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
get_number_puzzle — Returns an original number puzzle (Target, Cage Grid or Brick Pyramid) at easy, medium or hard, with its rules, the puzzle as JSON, an SVG i
Who runs the Sumbloom MCP server?
The Sumbloom MCP server at a glance
https://sumbloom.cybermaxtools.com/mcp?via=mcp-registryQuestions, answered
Is there an official Sumbloom MCP server?
Yes — Sumbloom operates its own remote MCP server at sumbloom.cybermaxtools.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect Sumbloom to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick Sumbloom in the directory. No account or sign-in is needed. From then on, Sumbloom's tools are available in every client you've connected to gate.
Do I need to host anything?
No. Sumbloom runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the Sumbloom MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect Sumbloom in minutes. No credit card required.
Connect more than just Sumbloom
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up Sumbloom in: Claude · Claude Code · ChatGPT · Cursor · VS Code