debuffv0.26.0local
Let coding agents play, test and tune your 2D web game: live state, explained errors, replays, fuzz.
jp.debuff/debuffsource
debuff is an open-source framework that handles the basics of 2D browser games, so you can spend your time on the game you imagined.
debuff, a 2D web game framework (debuff.jp) publishes 1 MCP server on the Official MCP Registry. That ranks it #916 of 16,990 companies by servers shipped, with its latest release on Oct 31, 2026.
Let coding agents play, test and tune your 2D web game: live state, explained errors, replays, fuzz.