Developer Tools Codex plugins

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Developer toolkit for teachers and educational-content authors building client-side HTML5 learning activities for Singapore Student Learning Space (SLS). Create new HTML/ZIP activities or add xAPI reporting to existing ones while preserving their interface and learning logic by default. Ch… …in does not host an LMS, provide a standalone tutoring service, or automatically connect to student records. Generic control use is not proof of mastery. Local browser/mock-LRS tests do not establish live SLS attribution or rendering; teachers must review and test their deployed activity.

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…review agent systems using published patterns, worked examples, glossary definitions, and decision records. Three skills help review an existing agent artifact, design a new agent system, and apply a named pattern. Five read-only MCP tools find relevant patterns, retrieve cards and exact sections, trace relationships, and provide a curated learning path. Recommendations cite their sources and distinguish published guidance from roadmap entries. Artifact contents stay in your working context; only generic design vocabulary and Atlas iden…

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Build facial verification into your app without hosting machine-learning models. This plugin helps your coding agent connect the deepface.dev API, compare two face photos, generate face embeddings and handle verification results in your existing stack. It guides a… …summary helps the deepface.dev team understand your needs; private code, conversations and customer records are not requested. This is an integration skill, not a connected image-analysis tool. A deepface.dev account is needed to call the hosted API. The account owner confirms their email and accept…