uv
Guide for using uv - an extremely fast Python package and project manager written in Rust. Use when installing Python, managing virtual environments, adding dependencies, running scripts, building packages, or working with pyproject.toml. Replaces pip, pip-tools, pipx, poetry, pyenv, twine, and virtualenv.
tmux
tmux and tmuxp session configuration, management, and troubleshooting. Use when creating, editing, debugging, or optimizing tmuxp YAML configs, designing tmux workspace layouts, fixing tmux session errors, managing multi-environment terminal setups, or working with tmux panes, windows, and sessions. Also use when the user mentions tmuxp, .tmuxp, tmux layouts, session_name, or terminal workspace organization.
prometheus
Query and interact with Prometheus HTTP API for monitoring data. Use when Claude needs to query Prometheus metrics, execute PromQL queries, retrieve targets/alerts/rules status, access metadata about series/labels, manage TSDB operations, or troubleshoot monitoring infrastructure. Supports instant queries, range queries, metadata endpoints, admin APIs, and alerting information.
premortem
Run a premortem on any plan, launch, product, hire, pricing change, strategy, or high-stakes decision. Uses Gary Klein's prospective-hindsight method — assume it already failed at a future date and work backward to surface every plan-specific cause, then produce a revised plan, mitigations, early-warning signals, and a pre-launch checklist. USE WHEN premortem this, run a premortem, what could kill this, future-proof this, stress test this plan, what am I missing here, find the blind spots, what could go wrong, am I missing anything, poke holes in this, where will this break, before I commit to this. NOT FOR adversarial attack on an arbitrary idea or argument (use RedTeam), current-state multi-perspective debate (use Council), network/system vulnerability testing (use Security), or simple feedback/factual questions. DO trigger when someone has a concrete plan or commitment where the cost of being wrong is high and the decision is still changeable.
pre-commit
Pre-commit hooks framework for multi-language code quality automation. USE WHEN setting up pre-commit OR configuring git hooks OR adding linting OR code formatting OR security scanning OR Terraform validation OR Kubernetes manifests OR Helm charts OR Python linting OR JavaScript formatting. Manages .pre-commit-config.yaml, hook installation, and CI integration.
power-bi
Power BI development with PBIP format — TMDL models, Power Query (M), DAX measures, star schema design, report authoring, publishing to Power BI Service, scheduled refresh, and connector troubleshooting. USE WHEN user mentions Power BI, PBIP, TMDL, DAX measures, Power Query, semantic model, PBI report, star schema for PBI, publish to Power BI, scheduled refresh, data gateway, PBI connector, cost management connector, EA connector, Power BI template app, or any Power BI development task. Also use when editing .tmdl, .pq, .pbip, .pbir, .pbism files, or working with CorpTheme.json.
power-bi-visuals
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power-bi-themes
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power-bi-security
Configure row-level security (RLS) roles, object-level security, and perspectives for Power BI semantic models using pbi-cli. Invoke this skill whenever the user mentions "security", "RLS", "row-level security", "access control", "data restrictions", "who can see", "filter by user", "perspectives", "limit visibility", or wants to restrict data access by role.
mise
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azure-network-calculator
Azure network planning — CIDR calculation, subnet allocation, VNet sizing, IP address planning, snet layout, network capacity, Azure networking, hub-spoke topology. USE WHEN CIDR, subnet, VNet, snet, network planning, IP address, Azure networking, calculate network, plan network, validate CIDR, network capacity, address space.
azure-finops
Azure FinOps reservation analysis, cost validation, waste discovery, and executive reporting. USE WHEN user says 'validate costs', 'check reservations', 'find waste', 'orphaned resources', 'reservation coverage', 'savings analysis', 'draft response for', 'cost analysis', 'are these reservations', 'reservation gaps', OR any Azure cost optimization request.
argocd
Complete ArgoCD CLI and REST API skill for GitOps automation. Use when working with ArgoCD for: (1) Managing Applications - create, sync, delete, rollback, get status, wait for health, view logs, (2) ApplicationSets - templated multi-cluster deployments with generators, (3) Projects - RBAC, source/destination restrictions, sync windows, roles, (4) Repositories - add/remove Git repos, Helm charts, OCI registries, credential templates, (5) Clusters - register, rotate credentials, manage multi-cluster, (6) Accounts - generate tokens, manage users, check permissions, (7) Admin operations - export/import, settings validation, RBAC testing, notifications, (8) Troubleshooting - sync issues, health problems, connection errors. Supports both REST API (curl/HTTP) and CLI approaches with bearer token authentication.
alz-accelerator
Deploy Azure Landing Zones using the ALZ Accelerator with AVM (Azure Verified Modules). Use this skill whenever the user mentions Azure Landing Zones, ALZ, Azure landing zone accelerator, AVM modules for landing zones, deploying management groups, hub-and-spoke networking, Virtual WAN, platform landing zones, or asks about Bicep vs Terraform for Azure infrastructure. Also trigger when the user wants to bootstrap CI/CD for Azure platform deployment, set up management groups hierarchy, or deploy connectivity/identity/management platform subscriptions.
argocd-advanced
Advanced ArgoCD operations beyond the core CLI/API — multi-cluster ApplicationSet generators, automated image updates, new-cluster bootstrapping, and workload onboarding via templated ApplicationSets. USE WHEN working with ApplicationSet CRDs (list, cluster, git, matrix, merge, SCM, pull request, plugin generators), configuring ArgoCD Image Updater (semver/digest/newest-build update strategies + git write-back), bootstrapping a new Kubernetes cluster into a multi-repo GitOps setup, registering clusters with proper labels for ApplicationSet targeting, onboarding a new workload via the standard ApplicationSet template, or troubleshooting any of these. For routine app sync/status/diff work use the core `argocd` skill instead.
aztfexport
Use when exporting existing Azure resources to Terraform using aztfexport. Triggers on aztfexport, Azure import to Terraform, export Azure resource, bring Azure under Terraform management, reverse-engineer Azure infrastructure, bootstrap IaC from live Azure resources. Covers resource, resource-group, and query modes.
azure-devops
Comprehensive Azure DevOps REST API skill for work items, pipelines, repos, test plans, wikis, and search operations via MCP tools and direct API calls
azure-cost-management-app
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syncing-claude-config
Sync this config against the shipped Claude Code -- new settings, hooks, and env vars since the pinned baseline; schema drift on silently-validating surfaces (themes, settings); and instruction drift where CLAUDE.md, rules, or skills duplicate or contradict the product's own system prompt. Not for judging whether config is well-shaped (that is maintaining-claude-code).
using-jj
Jujutsu (jj) reference for anything past describe/new/commit/push -- the non-interactive split form, which revision a bookmark must target before pushing, absorb, evolog, oplog recovery, immutable heads, revsets. Load whenever a git habit could produce a wrong or editor-blocking jj command.
reading-books
Read and search digital books (PDF, EPUB, MOBI, TXT). Use when answering questions about a book, finding quotes or passages, navigating to specific pages or chapters, or extracting information from documents.
managing-starship-fork
Sync, build, and install the custom starship fork with jj support. Use when updating starship, rebuilding the binary, syncing with upstream, or modifying the jj_status module.
implementing-issues
Implement a GitHub or Linear issue end-to-end with TDD, branch management, and PR creation. Use when implementing an issue, working on a ticket, starting a feature from an issue, or building from issue requirements.
building-swiftui
Build, review, debug, and modernize SwiftUI apps for macOS with modern patterns. Use when building SwiftUI UIs, reviewing code quality, debugging view issues, checking anti-patterns, migrating from AppKit, or designing app architecture.
downloading-hf-models
Download models and weights from HuggingFace. Use when downloading models, fetching safetensors or GGUFs, running "hf download", cloning model repos, or pulling weights from HuggingFace.
displaying-images
Display images in the terminal using the Kitty graphics protocol via kitty-img. Use when the user asks to show, display, view, preview, or render an image file (PNG, JPG, GIF, SVG, etc.) in the terminal, or when you want to visually present a generated image.
writing-svelte5
Svelte 5 syntax reference. Use when writing ANY Svelte component. Svelte 5 uses runes ($state, $derived, $effect, $props) instead of Svelte 4 patterns. Training data is heavily Svelte 4—this skill prevents outdated syntax.
using-jina-reader
Fetch web page content using Jina Reader as a fallback when websites block direct access. Use when WebFetch returns 403, 406, captcha pages, empty content, Cloudflare blocks, or anti-bot responses. Also use when the user explicitly asks to use Jina Reader.
profiling-qwen3-tts
Profile and benchmark qwen3-tts-rs inference using e2e_bench with chrome tracing, flamegraph, or Nsight Systems inside a CUDA Docker container. Use when profiling, benchmarking, checking performance, finding bottlenecks, or running flamegraphs.
using-linear
Query, create, and manage Linear issues from the command line. Use when checking assigned work, viewing issue details, creating new issues, or updating issue status.
validating-project
Auto-detect and run formatters, linters, type checkers, and tests for the current project. Use when validating a project, running all checks, checking code quality before committing, or verifying the build passes.
using-docker-in-web
Set up and use Docker in Claude Code for Web environments. Use when Docker builds fail with bridge/iptables errors, SSL certificate errors through proxy, or when working in containerized web environments.
using-1password
Create, retrieve, and share 1Password items using the op CLI. Use when creating secure notes, storing credentials, generating shareable links, or looking up vault contents.
uploading-hf-models
Upload model weights to HuggingFace at high speed using best practices. Use when pushing models, uploading safetensors, uploading GGUFs, or creating model repos on HuggingFace.
building-writing-kits
Build a writing kit, everything a person needs to write a doc themselves (sourced facts, verbatim quotes, the choices a draft made, reader objections, open questions, blanks only they can fill) without the finished prose. Use whenever the user wants material or "inspo" to write a brief, memo, RFC, PR/FAQ, proposal, review, or post in their own words, says they will write it themselves, asks for research or a packet to write from, wants an existing draft taken apart into what went into it, or wants their finished doc checked against the sources.
monitoring-ci
Watch a GitHub Actions run after a push and report pass/fail with the failing job logs. Use after any `jj git push` or `git push`, or when the user asks whether CI passed. Not for writing or debugging workflow YAML.
analyzing-wav
Analyze WAV audio files for debugging TTS and audio pipelines. Use when inspecting sample rate, bit depth, channels, PCM values, waveform, or spectrogram of a WAV; validating WAV headers and format; comparing duration or amplitude between audio files; or diagnosing clipping, distortion, silence, and generated speech issues.
testing-whisper
Transcribe WAV audio files using OpenAI Whisper for intelligibility testing. Use when transcribing audio, testing speech output quality, running whisper, or checking if generated audio is intelligible.
cuda-kernels
Develop, test, and optimize custom CUDA kernels in the candle framework for qwen3-tts-rs. Use when writing CUDA kernels, debugging GPU code, integrating kernels with candle, optimizing throughput, profiling with nsys/ncu, analyzing roofline, or investigating register pressure and occupancy.
searching-history
Search past Claude Code sessions to recall prior solutions, commands, fixes, and decisions. Use when the user references earlier work ("how did I fix", "last time we", "pick up where we left off", "a few months ago", "what was that … I set up", "didn't I once").
configuring-tmux
Build, review, and troubleshoot tmux configurations with modern best practices. Use when creating tmux.conf from scratch, adding plugins, configuring themes, integrating with Neovim, setting up session management, or debugging tmux issues.
specifying-and-planning
Plan project implementation -- extract requirements from a spec, break them into tasks, create GitHub issues and project boards, or generate an agent team configuration from the task list.
cleaning-commit-history
Reorganize and clean up messy commit history on a feature branch into logical, reviewable commits. Use when cleaning up commits, preparing a branch for review, separating formatting from logic changes, fixing broken intermediate states, or squashing WIP commits.
executing-test-plans
Execute a structured test plan and emit a concise results document (JSON + Markdown). Use when running test plans, executing QA workflows, verifying acceptance criteria systematically, or producing test results documentation.
committing-changes
Stage, validate, and commit changes with a clear message, optionally pushing to remote and monitoring CI. Use when committing code, creating a commit, pushing changes, or doing a commit-and-push workflow.
managing-dotfiles
Manage dotfiles tracked in ~/.claude/dotfiles/ using GNU Stow. Use when adding config files to dotfiles, stowing/unstowing packages, or troubleshooting symlink conflicts.
maintaining-claude-code
Audit and improve Claude Code hooks, rules, and settings.json. Use when adding/debugging a hook, organizing rules, auditing settings.json (permissions, env vars, stale flags), or deciding between hook vs skill vs rule vs CLAUDE.md. For SKILL.md authoring use the skill-creator plugin; for CLAUDE.md audits use the claude-md-improver plugin.
react-native-testing
Master testing - Jest, Testing Library, Detox E2E, and CI/CD integration
react-native-state
Master state management - Redux Toolkit, Zustand, TanStack Query, and data persistence
react-native-basics
Master React Native fundamentals - components, styling, layout, and Expo
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