slack-gif-creator — Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts.
slicing-code-context — Selects bounded, graph-informed source slices with Trailmark and delegates focused code analysis or patch-proposal work to a smaller subagent.
slideshow — Author a HyperFrames slideshow — a presentation, pitch deck, or interactive deck with discrete slides, fragment reveals, branching, hotspot navigation.
sms — When the user wants to plan, build, or optimize SMS or MMS marketing — including welcome flows, abandoned cart texts, post-purchase, win-back.
social — When the user wants help creating, scheduling, or optimizing social media content for LinkedIn, Twitter/X, Instagram, TikTok, Facebook, or other platforms.
solana-vulnerability-scanner — Scans Solana programs for 6 critical vulnerabilities including arbitrary CPI, improper PDA validation, missing signer/ownership checks, and sysvar spoofing.
spark-engineer — Use when writing Spark jobs, debugging performance issues, or configuring cluster settings for Apache Spark applications.
spec-driven-development — Creates specs before coding. Use when starting a new project, feature, or significant change and no specification exists yet.
spec-miner — Reverse-engineering specialist that extracts specifications from existing codebases.
spec-to-code-compliance — Check code against the documentation that specifies it - which requirements hold, which the code contradicts, which are absent.
spring-boot-engineer — Generates Spring Boot 3.x configurations, creates REST controllers, implements Spring Security 6 authentication flows, sets up Spring Data JPA repositories.
sprint-plan — Plan a sprint with capacity estimation, story selection, dependency mapping, and risk identification.
stakeholder-map — Build a stakeholder map using a power/interest grid, identify communication strategies per quadrant, and generate a communication plan.
startup-canvas — Generate a Startup Canvas combining Product Strategy (9 sections) and Business Model (costs + revenue) for a new product.
statusline-generator — Installs, configures, customizes, or troubleshoots the Claude Code statusline (cwd, model, token counts). g.
step-parts — Find, evaluate, and download common purchasable CAD parts from step.parts, including named off-the-shelf actuators, servos, motors, electronics boards.
stepfun-asr — Transcribe audio with StepFun's stepaudio-3-asr-max — an SSE endpoint (NOT /v1/audio/transcriptions).
stepfun-tts — 5-tts` (blind-judged better on neutral/emotive preset voices), `stepaudio-3-tts` for whisper & inline-prosody cases (where it won the same blind test).
stitch-loop — Teaches agents to iteratively build websites using Stitch with an autonomous baton-passing loop pattern
stitch::code-to-design — ) to a Stitch Design by chaining static HTML extraction, design system extraction, and file upload. , requests to "save", "migrate", or "upload").
stitch::extract-design-md — md) directly from frontend source code — React, Vue, Svelte, Angular, plain HTML/CSS, or any web framework.
stitch::extract-static-html — Extract self-contained static HTML from a built web application or React components by inlining CSS and images.
stitch::generate-design — Generate new screens from text prompts or images, edit existing screens with prompts and design system tokens, and generate design variants using Stitch MCP.
stitch::manage-design-system — Manage design systems in Stitch using MCP tools. Includes retrieval of assets, creating/updating design systems in Stitch, and applying them to screens.
stitch::react-components — Converts Stitch designs into modular Vite and React components, or syncs/updates existing React components to align with the latest Stitch designs.
stitch::react-native — Convert Stitch HTML designs to React Native components, or syncs/updates existing native components to align with the latest Stitch designs, using StyleSheet.
stitch::upload-to-stitch — Upload local assets (images, mockups, extracted HTML, design markdown) to a Stitch project.
storing-and-querying-vectors — Store and query vector embeddings using Amazon S3 Vectors, a cost-effective long-term vector storage service with its own API namespace (s3vectors).
strategy-red-team — Red-team a PRD, roadmap, or strategy by attacking its load-bearing assumptions before reality does.
subagent-driven-development — Use when executing implementation plans with independent tasks in the current session
substrate-vulnerability-scanner — Scans Substrate/Polkadot pallets for 7 critical vulnerabilities including arithmetic overflow, panic DoS, incorrect weights, and bad origin checks.
summarize-interview — Summarize a customer interview transcript into a structured template with JTBD, satisfaction signals, and action items.
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.
swift-expert — Builds iOS/macOS/watchOS/tvOS applications, implements SwiftUI views and state management, designs protocol-oriented architectures.
swot-analysis — Perform a detailed SWOT analysis — strengths, weaknesses, opportunities, and threats with actionable recommendations.
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.
teams-channel-post-writer — Creates educational Teams channel posts for internal knowledge sharing about Claude Code features, tools, and best practices.
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-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 — md files with the structure each skill type requires. guide. Not for answering security testing questions — the generated skills cover those.
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.
threat-modeling-with-aws-security-agent — Run an AWS Security Agent threat model review on spec/design documents. md for security posture changes, or STRIDE analysis.
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.
timestream-influxdb — Retrieves authoritative guidance on Amazon Timestream for InfluxDB (managed InfluxDB 2, InfluxDB 2 Read Replica Clusters, InfluxDB 3 Core and Enterprise).
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. toml`, and SQL schema graphs.
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 — 5+ data such as proxy counts, subgraph edges, type/reference summaries, and entrypoint attributes.
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.
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.
tunnel-doctor — Diagnoses concrete tunnel and proxy-path failures across macOS and Windows/WSL: Tailscale routing, proxy env/system bypass, SSH double tunneling.
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-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-designer — Extract design systems from reference UI images and generate implementation-ready UI design prompts.
urdf — URDF robot description authoring and validation.
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
value-prop-statements — Generate value proposition statements for marketing, sales, and onboarding from existing value propositions.
value-proposition — Design a detailed value proposition using a 6-part JTBD template — Who, Why, What before, How, What after, Alternatives.
variant-analysis — Hunts for the other instances of a bug already found — the variants of one root cause across a codebase. ").
vector-forge — Mutation-driven test vector generation.
vercel-cli-with-tokens — Deploy and manage projects on Vercel using token-based authentication. g. "deploy to vercel", "set up vercel", "add environment variables to vercel".