Phase/task based workflow system with PLAN.md as single source of truth. Use when tackling projects that require structured iteration through Planning, Analysis, Design, Implementation, Testing, Deployment, Maintenance, etc phases with clear dependency graphs.
Manages Python packages, projects, scripts, tools, and Python versions with extreme speed. Use when the user mentions uv, python packages, pip replacement, virtual environments, venv, pyproject.toml, dependency management, python version switching, tool installation (uvx), script dependencies, lockfiles, workspace management, or any Python packaging task. Replaces pip, pip-tools, pipx, poetry, pyenv, twine, and virtualenv.
jq 1.8.2 — lightweight command-line JSON processor. Use when the user needs to parse, query, transform, or manipulate JSON data from the command line, process API responses, extract fields from JSON, convert between formats (JSON-to-CSV, JSON-to-XML), validate JSON, or work with any structured data in JSON format. Covers filters, builtins, regex, modules, streaming, and all jq 1.8.2 features.
Operate rqlite 10.2.4 — distributed SQLite database with Raft consensus. Use for deploying, configuring, querying, backing up, and managing rqlite clusters. Covers rqlited server flags, HTTP API (/db/execute, /db/query, /db/request), CLI (.status, .backup, .nodes), clustering (join, DNS, Consul, etcd, Kubernetes), TLS/mTLS auth, queued writes, CDC, consistency levels, and SQLite extensions. Use whenever the user mentions rqlite, distributed SQLite, Raft database, or needs a lightweight fault-tolerant relational store.
Query, transform, and convert YAML, JSON, XML, INI, TOML, HCL, CSV, TSV, Properties, Lua, Shell variables, and Base64 data using jq-like expressions. Use when the user mentions yq, YAML processing, JSON-to-YAML conversion, config file manipulation, Kubernetes YAML editing, or any structured data transformation task. Supports multi-document YAML, anchors/aliases, comments, and in-place updates.
Ruff 0.15.18 — extremely fast Python linter and code formatter written in Rust. Use this skill whenever the user mentions ruff, linting Python, formatting Python code, ruff check, ruff format, pyproject.toml lint config, Flake8 replacement, Black replacement, isort replacement, or any Python code quality task involving ruff configuration, rule selection, or CI integration. Covers `ruff check`, `ruff format`, `ruff rule`, `ruff config`, `ruff analyze graph`, and `ruff server` (LSP).
Run ty (Astral's Python type checker, v0.0.51) for type checking, rule diagnostics, and language server integration. Use when the user mentions ty type checking, Python type errors, ty check, ty rules, ty suppression, migrating from mypy or pyright to ty, configuring ty.toml or pyproject.toml type checking, or setting up a Python language server. ty is 10x-100x faster than mypy/Pyright and supports intersection types, redeclarations, and reachability-based analysis.
Lint, format, and configure Python code with Ruff (v0.4+). Use when the user mentions ruff, python linting, python formatting, code quality, replacing flake8/black/isort/pyupgrade, pyproject.toml ruff config, ruff check, ruff format, or needs help setting up Python linting and formatting. Also triggers for import sorting (isort replacement), docstring checks, auto-fixing lint violations, pre-commit hooks with ruff, CI/CD linting pipelines, and migrating from flake8 + black + isort to a single tool.