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Sumbloom

Official registry Other

Number puzzle API + MCP: solver-checked puzzles as JSON/SVG, daily puzzle. $5/mo; 50 free/day.

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http sumbloom 'https://sumbloom.cybermaxtools.com/mcp?via=mcp-registry' --header 'x-api-key: <Optional paid-plan key from the CyberMax Store; leave out for the free daily quota.>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "sumbloom": {
            "type": "http",
            "url": "https://sumbloom.cybermaxtools.com/mcp?via=mcp-registry",
            "headers": {
                "x-api-key": "<Optional paid-plan key from the CyberMax Store; leave out for the free daily quota.>"
            }
        }
    }
}

Frequently asked questions

What is Sumbloom?

Number puzzle API + MCP: solver-checked puzzles as JSON/SVG, daily puzzle. $5/mo; 50 free/day.

How do I install Sumbloom?

It runs as a remote server. In Claude Code: claude mcp add --transport http sumbloom 'https://sumbloom.cybermaxtools.com/mcp?via=mcp-registry' --header 'x-api-key: <Optional paid-plan key from the CyberMax Store; leave out for the free daily quota.>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Sumbloom need an API key?

Yes. It expects x-api-key, which you set in its configuration.

Who maintains Sumbloom?

It is published by dev.workers.cybermax-tools.cybermax. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.