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Found 1,259 Skills
Python type checking expertise using ty - the extremely fast type checker by Astral. Use when: (1) Adding type annotations to Python code, (2) Fixing type errors reported by ty, (3) Migrating from mypy/pyright to ty, (4) Configuring ty for projects, (5) Understanding advanced type patterns (generics, protocols, intersection types), (6) Setting up ty in editors (VS Code, Cursor, Neovim, PyCharm).
Use this skill when you need to review and refactor code to make it simpler, more maintainable, and easier to understand. Helps with identifying overly complex solutions, unnecessary abstractions.
Expert guidance for R package development following best practices for devtools, testthat, roxygen2, and R ecosystem tools
Comprehensive multi-stage code review using specialized subagents. Use when reviewing PRs with complex architectural impact, security concerns, or when thorough multi-perspective analysis is needed.
Systematically analyze codebase structure, complexity, dependencies, and architectural patterns to understand project organization
Checks session scope mismatch, streaming resource holding, missing cleanup, pool config, error path leaks, factory vs injection anti-patterns.
Must be followed when writing error handling code that includes try-catch. Ensure that the catch block has substantial processing logic, is not empty, does not only log information, and must handle or re-throw exceptions. Trigger keywords: try-catch specification, error handling best practices, exception handling review.
Senior Python developer expertise for writing clean, efficient, and well-documented code. Use when: writing Python code, optimizing Python scripts, reviewing Python code for best practices, debugging Python issues, implementing type hints, or when user mentions Python, PEP 8, or needs help with Python data structures and algorithms.
This skill processes unresolved GitHub PR review discussions. Activated when the user provides a GitHub PR link (github.com/.../pull/...) or mentions "PR review", "review PR", "process review comments", etc.
Review pull requests. Use when user asks to "review a PR", "/review-pr", or wants to review a pull request.
Worker that runs parallel external agent reviews (Codex + Gemini) on code changes. Background tasks, process-as-arrive, critical verification with debate. Returns filtered suggestions with confidence scoring.
Review and clean up low-quality code comments. Use when you notice "what" comments that should be "why" comments, or want to clean up comment noise before a PR.