summarize-meeting — Summarize a meeting transcript into structured notes with date, participants, topic, key decisions, summary points, and action items.
supply-chain-risk-auditor — Audits a project's dependencies for supply-chain risk: version-matched advisories for direct dependencies and the full lockfile tree.
surgical-patch — Fix bugs and small behavior changes at the narrowest responsible layer.
swarm — Fan out N parallel workers, drain them, and return one report. Use for /swarm, 'swarm this', or parallel coverage, races, gauntlets, and exploration.
swift-expert — Builds iOS/macOS/watchOS/tvOS applications, implements SwiftUI views and state management, designs protocol-oriented architectures.
swiftui-expert-skill — Use when writing, reviewing, or refactoring SwiftUI code for iOS or macOS, including state and `@Observable` data flow, view composition, resizable layouts.
swiftui-pro — Comprehensively reviews SwiftUI code for best practices on modern APIs, maintainability, and performance.
swot-analysis — Perform a detailed SWOT analysis — strengths, weaknesses, opportunities, and threats with actionable recommendations.
sync-gbrain — Keep gbrain current with this repo's code and refresh agent search guidance in CLAUDE.md. (gstack)
systematic-debugging — Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes
talking-head-recut — Package an existing talking-head / interview / podcast video with timed, designed GRAPHIC OVERLAY cards — kinetic titles, lower-thirds, data callouts, quotes.
taste-design — Semantic Design System Skill for Google Stitch.
tdd — Use only when the user explicitly asks for TDD, a failing test, or a regression test, OR when the bug has an obvious cheap local test target.
tdd — Test-driven development. Use when the user wants to build features or fix bugs test-first, mentions "red-green-refactor", or wants integration tests.
teach — Explain a body of work plainly so a person actually understands it. Runs the `how` and `why` skills and weaves what they find into one clear explanation.
teach — Teach the user a new skill or concept, within this workspace.
teams-channel-post-writer — Creates educational Teams channel posts for internal knowledge sharing about Claude Code features, tools, and best practices.
technical-writing — Layered technical-writing standard: Diátaxis structure, Google developer style sentences, STE instruction rules, Global English syntax.
template-skill — Replace with description of the skill and when Claude should use it.
terminal-screenshot — Render a terminal CLI program's colored output to a PNG so Claude can actually SEE the real visual result — color contrast, alignment, background blocks.
terraform-engineer — Use when implementing infrastructure as code with Terraform across AWS, Azure, or GCP.
terraform-skill — Diagnoses and designs safe Terraform releases, provisioners, multi-environment isolation, and fresh-host bootstrap.
test-audit — Find low-value or duplicate tests and the test-only code they keep alive. (gstack)
test-driven-development — Use when implementing any feature or bugfix, before writing implementation code
test-driven-development — Drives development with tests using the red-green-refactor loop. Use when implementing any logic, fixing any bug, or changing any behavior.
test-master — Generates test files, creates mocking strategies, analyzes code coverage, designs test architectures.
test-scenarios — Create comprehensive test scenarios from user stories with test objectives, starting conditions, user roles, step-by-step actions, and expected outcomes.
testing-handbook-generator — Generates Claude Code skills from the Trail of Bits Testing Handbook (appsec.guide).
the-fool — Use when challenging ideas, plans, decisions, or proposals using structured critical reasoning.
theme-factory — Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc.
thermo-nuclear-code-quality-review — Run an extremely strict maintainability review for abstraction quality, giant files, and spaghetti-condition growth.
thermo-nuclear-review — Comprehensive security and correctness audit of a branch's changes.
thermos — Launch both thermo-nuclear review subagents in parallel, then synthesize their findings.
tibo-reset-codex — 查询 ChatGPT/Codex 重置公告及多个 Pro 账号的剩余额度、备用 Full reset；复用 Google 登录逐个核实并恢复网页账号，换算北京时间。区分 Tibo 官宣、未官宣的平台静默重置、banked reset 与账户级周期重置。Use when.
tilemap-palette-create — Creates a Tile Palette asset. Use when the user wants to organize tiles for 2D level design or create a new Tile Palette from scratch.
tilemap-ruletile-createfromsegment — Use when the user wants tiles that auto-tile (autotile) as they paint, wants a RuleTile built from existing terrain or edge sprites.
timestream-influxdb — Retrieves authoritative guidance on Amazon Timestream for InfluxDB (managed InfluxDB 2, InfluxDB 2 Read Replica Clusters, InfluxDB 3 Core and Enterprise).
to-questionnaire — Turn a decision you can't fully answer into a questionnaire for someone else to fill in.
to-spec — Turn the current conversation into a spec and publish it to the project issue tracker: no interview, just synthesis of what you've already discussed.
to-tickets — Break a plan, spec, or the current conversation into a set of tracer-bullet tickets, each declaring its blocking edges.
token-integration-analyzer — Token integration and implementation analyzer based on Trail of Bits' token integration checklist.
ton-vulnerability-scanner — Scans TON (The Open Network) smart contracts for 3 critical vulnerabilities including integer-as-boolean misuse, fake Jetton contracts.
tool-design — This skill should be used for the tool-interface layer of an agent system specifically: writing tool descriptions agents can route on.
trailmark — Builds and queries multi-language source and binary code graphs for security analysis.
trailmark-finding-triage — Performs graph-assisted triage of a single security finding, SARIF result, weAudit annotation, suspicious function.
trailmark-review-gate — Runs a Trailmark structural review gate over a branch, pull request, fix commit, release diff, or git ref range to detect new entrypoints, new tainted paths.
trailmark-structural — Runs full Trailmark structural analysis by building a graph, running `preanalysis()`, and reporting hotspots, taint, blast radius, privilege boundaries.
trailmark-summary — Runs a Trailmark summary analysis on a codebase. Returns auto-detected languages, entry point count, and dependency list.
trailmark-variant-neighborhood — Expands one confirmed or suspected vulnerability into a Trailmark graph neighborhood of variant candidates by finding sibling functions.
transcript-fixer — Corrects speech-to-text transcription errors with dictionary rules and Claude's built-in AI (no external API key required).
transitgateway — Configures AWS Transit Gateway: creating a hub and attaching VPCs, segmenting traffic with route tables.
triage — Move issues and external PRs through a state machine of triage roles, categorise, verify, grill if needed, and write agent-ready briefs.
triage-issue-reports — Triage Slack issue reports with one thread-only verdict, evidence review, cause-aware routing, tracker dedupe, and fail-closed ticket creation.
troubleshooting-application-failures — Troubleshoots failing applications by discovering and analyzing CloudWatch log groups to identify error patterns, root causes, and actionable solutions.
troubleshooting-efs — Diagnoses and resolves Amazon EFS issues including mount failures, NFS timeouts, permission errors, throughput problems, and burst credit exhaustion.
troubleshooting-s3-files — Diagnoses and resolves Amazon S3 Files issues including mount failures, permission errors, synchronization problems, and performance issues.
tsdown — Bundle TypeScript and JavaScript libraries with blazing-fast speed powered by Rolldown.
TUI Puppeteering with tmux — Use when automating or testing TUI/CLI applications - provides isolated tmux sessions with scripts for input, output capture, and state verification
tunnel-doctor — Diagnoses concrete tunnel and proxy-path failures across macOS and Windows/WSL: Tailscale routing, proxy env/system bypass, SSH double tunneling.
turborepo — Turborepo monorepo build system guidance.
turnstile-spin — Set up, repair, or migrate to Cloudflare Turnstile bot verification in an existing frontend and backend, including server-side Siteverify.
twitter-reader — Fetch Twitter/X post content including long-form Articles with full images and metadata.
typescript-best-practices — TypeScript best practices. Use when reading or editing any .ts or .tsx file.
typescript-pro — Implements advanced TypeScript type systems, creates custom type guards, utility types, and branded types, and configures tRPC for end-to-end type safety.
ui — Unity UI expert for menus, HUDs, screens, panels, buttons, labels, and all visual interface elements.
ui-designer — Extract design systems from reference UI images and generate implementation-ready UI design prompts.
ui-imgui — Unity IMGUI (Immediate Mode GUI) expert for legacy editor tools using OnGUI/immediate mode.
ui-ugui — Unity uGUI (Canvas-based) UI expert. Understands, edits, and generates Canvas hierarchies, RectTransforms, Layout Groups, and prefab UI.
ui-uitk — Unity UI Toolkit expert for Unity 6.0+. Understands, edits, and generates UXML and USS files with flex-based layouts. Use for requests involving .uxml, .uss.
ultracave — Caveman at maximum compression: fragments, one word when one word is enough, each fact once. Invoke only with /ultracave or /caveman ultra.
unfreeze — Clear the freeze boundary set by /freeze, allowing edits to all directories again. (gstack)
unity-cli — Use when interacting with Unity CLI from the terminal, or to control a running/connected Unity Editor from the command line — create or modify GameObjects.
unity-package-management — Use when adding, removing, upgrading, or discovering Unity (UPM) packages programmatically from outside the Editor — headless or CI package installs via the C#.
unslop — Cut AI tells from any writing. Must always apply.
update-swiftui-apis — Scan Apple's SwiftUI documentation for deprecated APIs and update the SwiftUI Expert Skill with modern replacements.
urdf — URDF robot description authoring and validation.
urp-postprocessing — Sets up, configures, and debugs URP post-processing effects using the Volume framework.
use-railway — Operate Railway infrastructure: sign up for or sign in to a Railway account, create projects, provision services, databases, and buckets, deploy code.
user-personas — Create refined user personas from research data — 3 personas with JTBD, pains, gains, and unexpected insights.
user-segmentation — Segment users from feedback data based on behavior, JTBD, and needs. Identifies at least 3 distinct user segments.
user-stories — Create user stories following the 3 C's (Card, Conversation, Confirmation) and INVEST criteria with descriptions, design links, and acceptance criteria.
using-agent-skills — Discovers and invokes agent skills. Use when starting a session, or when you need to decide which skill or workflow applies to the piece of work at hand.
using-git-worktrees — Use when starting feature work that needs isolation from current workspace or before executing implementation plans - ensures an isolated workspace exists via.
using-superpowers — Use when starting any conversation - establishes how to find and use skills, requiring skill invocation before ANY response including clarifying questions
vercel-optimize — Use for Vercel cost and performance optimization on deployed projects, especially Next.js, SvelteKit, Nuxt, and limited Astro apps. Collect Vercel metrics.
vercel-react-best-practices — React and Next.js performance optimization guidelines from Vercel Engineering. This skill should be used when writing, reviewing.