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System-level architecture specialist — scalability, cross-module boundaries, technology selection, and high-level technical decisions that span multiple features or services. Use PROACTIVELY when planning large-scale refactors, new service boundaries, or system-wide design decisions. For a single feature's…
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Language-agnostic build error resolution specialist. Use PROACTIVELY when any build fails — TypeScript, Python, Go, Rust, or any project. Detects the build system and language from the project, then fixes build/compile/type errors with minimal diffs. No architectural edits. Focuses on getting the build green quickly.
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Feature-level architecture specialist — implementation blueprints for a single feature: concrete files, interfaces, data flow, and build order, derived from analysis of existing codebase patterns and conventions. Use PROACTIVELY when turning a feature spec or design decision into an actionable build plan. For…
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Deeply analyzes existing codebase features by tracing execution paths, mapping architecture layers, and documenting dependencies to inform new development.
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Execution agent for the code-audit skill. Runs the three-axis code audit (Standards+Spec compliance + language-specific trap detection + cross-language review lenses: silent failure, type design, security). Invoke when the user asks for a deep code audit of a branch, PR, file, or module. For a quick diff review…
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Simplifies code inside one git scope — uncommitted changes, recent commits, or a full PR/MR diff — for clarity, consistency, and maintainability while preserving exact behavior. Use PROACTIVELY after writing or modifying a logical chunk of code, or during review when complexity is flagged. For whole-repo dead-code…
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End-to-end testing specialist for web frontends and backend APIs. Detects the target (browser app or service) and existing test stack, then picks the right tools. Use PROACTIVELY for generating, maintaining, and running E2E tests. Manages test journeys, quarantines flaky tests, uploads artifacts (screenshots, videos…
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Java/Maven/Gradle build, compilation, and dependency error resolution specialist. Automatically detects Spring Boot or Quarkus and applies framework-specific fixes. Fixes build errors, Java compiler errors, and Maven/Gradle issues with minimal changes. Use when Java builds fail.
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Operate autonomous agent loops, monitor progress, and intervene safely when loops stall.
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Language-agnostic performance analysis and optimization specialist. Use PROACTIVELY for identifying bottlenecks, optimizing slow code, reducing bundle sizes, and improving runtime performance. Profiling, memory leaks, render optimization, and algorithmic improvements across frontend and backend.
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Refactoring and dead code cleanup specialist. Use PROACTIVELY to remove unused code/exports/dependencies, eliminate duplicates, and structurally refactor complex code into clean, maintainable systems — all while preserving existing behavior.
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Extracts behavioral specs from existing codebases for OpenSpec. Produces flat Requirement and Invariant blocks with structured metadata (entities, enforced, id, test anchors). Outputs openspec/specs/ /spec.md. Fully self-bootstrapping — no dependency on codebase-onboarding. Use when onboarding a brownfield project to…
Agent
Fast read-only search agent for locating code. Use it to find files by pattern (e.g. "src/components//.tsx"), grep for symbols or keywords (e.g. "API endpoints"), or answer "where is X defined / which files reference Y." NOT for code review, design-doc auditing, cross-file consistency checks, or open-ended analysis …
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Analyze blind comparison results to understand WHY the winner won and generate improvement suggestions.
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Compare two outputs WITHOUT knowing which skill produced them.
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Evaluate expectations against an execution transcript and outputs.