{"slug":"agentic-context-engine","name":"Agentic Context Engine","kind":"tool","deliveryMethods":["tool"],"kindLabel":"Tool","grade":"B","score":71,"tagline":"Agentic Context Engine gives agents a Skillbook that changes after tasks, failures, and feedback. Execution traces go th","description":"**AI agents don't learn from experience.** They repeat the same mistakes every session, forget what worked, and ignore what failed. ACE is the open-source engine that adds a persistent learning loop. It also powers [Kayba](https://kayba.ai), the managed service that does this for your production agents automatically.","tags":["agent-learning","self-improvement","token-optimization","skillbook"],"url":"https://way.space/tool/agentic-context-engine","stars":"—","category":"memory","categories":["memory"],"repo":"https://github.com/kayba-ai/agentic-context-engine","website":"https://www.kayba.ai","license":"Apache-2.0","maintainers":[{"login":"kayba-ai","url":"https://github.com/kayba-ai","isMember":false,"verified":false},{"login":"davidfarah2003","url":"https://github.com/davidfarah2003","isMember":false,"verified":false},{"login":"Lanzelot1","url":"https://github.com/Lanzelot1","isMember":false,"verified":false},{"login":"Wanawrin","url":"https://github.com/Wanawrin","isMember":false,"verified":false}],"scoreWhy":[{"label":"Contributors & bus-factor","detail":"8 recent contributors — concentrated","direction":"positive"},{"label":"Commit recency","detail":"last commit 32d ago","direction":"positive"},{"label":"Commit cadence","detail":"10 commits in 90 days","direction":"positive"},{"label":"Issue close ratio","detail":"78% of issues closed","direction":"positive"},{"label":"Release cadence","detail":"30 releases in 12 months","direction":"positive"},{"label":"Stars (log-damped)","detail":"2,604 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 (0.18 per star)","direction":"positive"}]}