Make printable cross sum puzzles for puzzle fans, teachers and students as a PDF with an answer key.
Connect Remote server
claude mcp add --transport http cross-sums https://cross-sums.zovo.one/mcp
{
"mcpServers": {
"cross-sums": {
"url": "https://cross-sums.zovo.one/mcp"
}
}
}
{
"servers": {
"cross-sums": {
"type": "http",
"url": "https://cross-sums.zovo.one/mcp"
}
}
}
Settings > Connectors > Add custom connector
URL: https://cross-sums.zovo.one/mcp
Tools 1 found in our last check
generate_cross_sumsUse this when the user wants printable cross-sum puzzles (cross sums, number crossword puzzles with sums, addition logic puzzles) as a PDF with an answer key, or wants to solve one on screen. Each grid from 6 x 6 to 12 x 12 (counting the clue row and column) has white squares fo…
Details
| Endpoint | https://cross-sums.zovo.one/mcp (Streamable HTTP) |
| First published | 8 Nov 2026 |
| Last updated | 8 Nov 2026 |
| Registry name | io.github.theluckystrike/cross-sums |
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