{"slug":"open-spiel","name":"OpenSpiel","kind":"tool","deliveryMethods":["tool"],"kindLabel":"Tool","grade":"A+","score":90,"tagline":"OpenSpiel is a collection of environments and algorithms for research in general reinforcement learning and search/planning in games.","description":"OpenSpiel is a collection of environments and algorithms for research in general reinforcement learning and search/planning in games.","tags":["reinforcement-learning","game-theory","multi-agent","simulation","environments","research"],"url":"https://way.space/tool/open-spiel","stars":"—","category":"research","categories":["research"],"repo":"https://github.com/google-deepmind/open_spiel","license":"Apache-2.0","maintainers":[{"login":"google-deepmind","url":"https://github.com/google-deepmind","isMember":false,"verified":false},{"login":"lanctot","url":"https://github.com/lanctot","isMember":false,"verified":false},{"login":"jhtschultz","url":"https://github.com/jhtschultz","isMember":false,"verified":false},{"login":"rezunli96","url":"https://github.com/rezunli96","isMember":false,"verified":false}],"scoreWhy":[{"label":"Contributors & bus-factor","detail":"27 recent contributors","direction":"positive"},{"label":"Commit recency","detail":"last commit 2d ago","direction":"positive"},{"label":"Commit cadence","detail":"62 commits in 90 days","direction":"positive"},{"label":"Issue close ratio","detail":"96% of issues closed","direction":"positive"},{"label":"Release cadence","detail":"10 releases in 12 months","direction":"positive"},{"label":"Stars (log-damped)","detail":"5,550 stars (log-damped)","direction":"positive"},{"label":"Star authenticity","detail":"star-velocity check unavailable — GitHub no longer publishes stargazer timestamps for this repo","direction":"neutral"},{"label":"Engagement-to-star ratio","detail":"healthy engagement (0.52 per star)","direction":"positive"}]}