プラグイン

OpenMAIC: 教室、スライド、インタラクティブウィジェット、ソクラテス式教授法。

DeepSeek Harness 用の Niubash 専用シェル実行者と Bash 方言の教示（dsh 0.2.0-rc.2、およびシェルの継ぎ目を共有する 0.1.7-rc.x 系）：すべての ctx.shell 実行は `niu -c` として実行され、PowerShell/cmd/WSL/nu へのハンドオフは拒否され、PowerShell の習慣 a

Nushell-only shell executor, dialect preflight, and Nushell syntax teaching for DeepSeek Harness (dsh 0.1.7-rc.1): every ctx.shell execution runs as `nu --no-config-file -c`, other shells are refused, bash/PowerShell habits are refused before they spawn (

Project-based learning coach: a subject-agnostic teaching engine plus swappable domain packs (Unity/C# included), shipped both as a DSH skill and as an installable bundle. The skill protocol enforces attempt-first teaching and graded hints; a zero-dependency validator rejects ability claims their evidence does not support and blocks stage acceptance while blockers are open.

Teaching board view: agent-generated self-contained HTML is projected into a sandboxed iframe as a board, annotated by hand (brush, four colours, eraser, undo), extended in place across several tool calls, and screenshotted back into the conversation as a real user message.

Education toolkit for DSH agents: lesson-plan skeletons by grade band, quiz scaffolding and answer-key validation, analytic rubrics, Anki/markdown flashcards, and readability levels.