Development skills

Search Deutsche Bahn train connections using the bahn-cli tool.

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Expert-level nuclear energy covering fission reactor physics, reactor types, safety systems, nuclear fuel cycle, waste management, and advanced reactor concepts.

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Control Alexa devices via CLI - set alarms, play music, flash briefings, smart home commands.

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Query flight offers (price, schedule, availability) via Amadeus API.

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CLI for AI agents to search and lookup anime info for their humans.

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Expert-level database systems theory covering relational model, query processing and optimization, transaction management, concurrency control, recovery, and NoSQL systems.

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Expert-level computer graphics covering the rendering pipeline, rasterization, ray tracing, shaders, transformations, lighting models, and GPU programming.

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Expert-level formal methods covering formal specification, model checking, theorem proving, type theory, program verification, and formal languages.

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Expert-level reaction engineering covering reaction kinetics, reactor design, ideal and non-ideal reactors, catalysis, and reactor scale-up.

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Expert-level thermochemistry knowledge. Use when working with enthalpy, calorimetry, Hess's law, bond energies, heat of formation, heat of combustion, heat capacity, thermodynamic cycles, or reaction energetics. Also use when the user mentions 'enthalpy', 'Hess law', 'calorimetry', 'heat of formation', 'heat of combustion', 'bond energy', 'specific heat', 'calorimeter', 'endothermic', 'exothermic', 'standard state', or 'thermodynamic cycle'.

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Expert-level optimization knowledge. Use when working with linear programming, convex optimization, nonlinear programming, integer programming, dynamic programming, gradient methods, duality theory, or optimization algorithms. Also use when the user mentions 'linear programming', 'simplex method', 'convex optimization', 'Lagrangian', 'KKT conditions', 'gradient descent', 'Newton method', 'integer programming', 'dynamic programming', 'duality', 'Bellman equation', or 'branch and bound'.

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Expert-level inorganic chemistry knowledge. Use when working with coordination chemistry, transition metals, crystal field theory, organometallics, main group chemistry, solid state chemistry, acid-base theory, or inorganic reaction mechanisms. Also use when the user mentions 'coordination complex', 'ligand', 'crystal field', 'transition metal', 'oxidation state', 'organometallic', 'Lewis acid', 'VSEPR', 'symmetry', 'point group', 'solid state', or 'catalysis'.

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Expert-level nuclear physics knowledge. Use when working with nuclear structure, radioactive decay, nuclear reactions, fission, fusion, binding energy, nuclear models, radiation, or nuclear applications. Also use when the user mentions 'radioactive decay', 'half life', 'binding energy', 'fission', 'fusion', 'alpha decay', 'beta decay', 'gamma decay', 'nuclear reaction', 'cross section', 'Q value', 'nuclear reactor', or 'radiation dose'.

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Expert-level organic chemistry knowledge. Use when working with organic reactions, mechanisms, functional groups, stereochemistry, synthesis planning, spectroscopy, or named reactions. Also use when the user mentions 'organic reaction', 'mechanism', 'functional group', 'stereochemistry', 'synthesis', 'NMR', 'IR spectroscopy', 'SN1', 'SN2', 'elimination', 'addition', 'aromatic', 'carbonyl', or 'named reaction'.

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GitHub URL로 Claude Code 스킬을 설치합니다. GitHub 저장소의 스킬 폴더 URL을 입력하면 해당 스킬의 모든 파일을 자동으로 다운로드하여 .claude/skills/ 에 설치합니다.

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skills-store에서 명시한 skill 또는 agent를 찾아 git pull 후 홈 디렉토리나 현재 프로젝트의 Claude/Codex skills/agents로 설치합니다.

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같은 프로젝트에서 동시에 굴리고 있는 여러 tmux 세션의 상태를 한 번에 파악하고 필요한 지시를 각 세션으로 전파합니다. 세션 목록을 뽑아 pane 별로 병렬 수집·요약하고, 항상 같은 양식(상태표 + 세션 카드 + 교차 분석 + 전파 제안)으로 보고합니다. "세션 현황", "지금 어디까지 됐지", "다른 창들 뭐 하고 있어", "세션 점검", "전부 어떻게 돼가", "다른 세션에 알려줘", "전 세션에 전파", "/tmux-orchestrate" 요청에 씁니다. 워크트리라 경로가 달라도 같은 git 저장소면 한 프로젝트로 묶습니다. 새 tmux 세션을 만들거나 작업을 분배하는 일, 단일 세션 안에서의 구현 작업에는 쓰지 않습니다.

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GitHub URL로 Codex 스킬을 설치합니다. GitHub 저장소의 스킬 폴더 URL을 입력하면 해당 스킬의 모든 파일을 자동으로 다운로드하여 .codex/skills/ 에 설치합니다.

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Delete local branches that have been merged or whose PRs are closed/stale

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Intelligently analyze git status and provide insights about current project state

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Save current Codex session to 2ndBrain vault with frontmatter, executive brief, and full transcript

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Create, switch to, or delete a git worktree under ~/.worktrees/<path-key>/<branch>, then rebase the agent session onto that directory. Use when asked to make, enter, or remove a worktree for a branch, when work needs an isolated checkout, or when invoked as /git:worktree.

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Rebase the current branch onto a target branch using safety checks and an appropriate rebase strategy. Use when invoked as `$git-rebase` or when the user asks to update/rebase a branch.

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Address GitHub PR review comments at line, file, and PR level by fetching, evaluating, fixing, committing, and resolving feedback. Use when invoked as `$pr-resolve-review-feedback` or when the user asks to resolve PR feedback.

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