bigdata-skill — Pull Bigdata.com (RavenPack) financial and news data via the official `bigdata-client` SDK and `/v1/*` REST endpoints — structured financials, prices.
bilibili-source — Fetch comprehensive, login-free data for any Bilibili (B站) video — title, UP name and follower count, publish date, partition, tags, per-part cids.
book-sft-pipeline — This skill should be used for book-to-SFT pipelines: ePub extraction, literary segmentation, author-voice dataset construction, style-transfer training.
book-to-skill — Converts books and documents (PDF, EPUB, DOCX, HTML, Markdown, plain text, RTF, MOBI/AZW with Calibre) into structured agent skills, extracting frameworks.
brainstorm-experiments-existing — Design experiments to test assumptions for an existing product — prototypes, A/B tests, spikes, and other low-effort validation methods.
brainstorm-ideas-existing — Brainstorm product ideas for an existing product using multi-perspective ideation from PM, Designer, and Engineer viewpoints.
brainstorm-ideas-new — Brainstorm feature ideas for a new product in initial discovery from PM, Designer, and Engineer perspectives.
brainstorm-okrs — Brainstorm team-level OKRs aligned with company objectives — qualitative objectives with measurable key results.
brainstorming — You MUST use this before any creative work - creating features, building components, adding functionality, or modifying behavior.
brand-guidelines — Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel.
browser-testing-with-devtools — Tests in real browsers via Chrome DevTools MCP. Use when building or debugging anything that runs in a browser.
business-model — Generate a Business Model Canvas with all 9 building blocks.
c-review — Performs comprehensive C/C++ security review for memory corruption, integer overflows, race conditions, and platform-specific vulnerabilities.
cad — Create/edit parametric CAD models, organize CAD projects, export STEP/STL/3MF/GLB files, resolve prompt references, and measure geometry with cadgen.
cad-viewer — Start CAD Viewer and return review links for CAD and robot-description files.
cairo-vulnerability-scanner — Scans Cairo/StarkNet smart contracts for 6 critical vulnerabilities including felt252 arithmetic overflow, L1-L2 messaging issues, address conversion problems.
canvas-design — pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece.
captions-overlay — Overlay doctrine for the embedded-captions workflow — the caption MODEL (drop / rail / embed) and the rule that captions are an OVERLAY composited on top of.
capture-screen — Programmatic screenshot capture on macOS.
cargo-fuzz — Sets up and runs cargo-fuzz, the standard fuzzing tool for Cargo-based Rust projects. Covers cargo fuzz init, the nightly toolchain requirement, fuzz_target!
changelog-video — md into a finished branded changelog video (square 1080, ~45-60s, Annie VO, animated brand background, mock-UI visualizations, lowkey captions).
chaos-engineer — Designs chaos experiments, creates failure injection frameworks, and facilitates game day exercises for distributed systems — producing runbooks.
churn-prevention — When the user wants to reduce churn, build cancellation flows, set up save offers, recover failed payments, or implement retention strategies.
ci-cd-and-automation — Automates CI/CD pipeline setup. Use when setting up or modifying build and deployment pipelines.
claude-api — Reference for the Claude API / Anthropic SDK — model ids, pricing, params, streaming, tool use, MCP, agents, caching, token counting, model migration.
claude-code-hooks — How to write, test, register, and debug Claude Code hooks — PreToolUse / PostToolUse / SessionStart / Stop Bash guards that enforce a rule the model would.
claude-code-ping-start-5h-quota — 睡前/离开前额度耗尽时，设置一次性本机定时器，在 Claude 订阅额度重置后自动发一条极简 claude -p 消息，立刻开启新的 5 小时用量窗口——用户睡醒时新窗口已跑掉大半，等于白赚一个 冷却期。Use when 用户说「还有 X 小时重置额度，帮我定时戳一下 Claude」「我去睡觉了， 到点 ping.
claude-switch-models-setup — 7, GLM, DeepSeek, StepFun, Anthropic) in separate terminal windows at the same time.
claude-usage-analyst — Analyze Claude Code and Claude Desktop Code token usage, cost, quota burn, model mix, cache read/write, and 5-hour block consumption using ccusage evidence.
cli-demo-generator — Generates professional animated CLI demos as GIFs using VHS terminal recordings.
cli-developer — Use when building CLI tools, implementing argument parsing, or adding interactive prompts.
cloud-architect — Designs cloud architectures, creates migration plans, generates cost optimization recommendations, and produces disaster recovery strategies across AWS, Azure.
cloudflare — Discover and choose Cloudflare products for apps, APIs, AI agents, storage, networking, and security.
cloudflare-email-service — Implement or troubleshoot Cloudflare Email Sending and Email Routing integrations and their delivery configuration.
cloudflare-one — Design, configure, troubleshoot, or review Cloudflare One Zero Trust and SASE deployments.
cloudflare-one-migrations — Assess and plan migrations from existing VPN, SWG, or SASE platforms to Cloudflare One, including policy mapping, parity gaps, and rollout.
cloudflare-troubleshooting — Investigate and resolve Cloudflare configuration issues using API-driven evidence gathering.
cloudfront — Configures Amazon CloudFront content delivery across six workflows: when to use CloudFront and how it fits with AWS WAF, Shield, CloudFront Functions.
co-marketing — When the user wants to find co-marketing partners, plan joint campaigns, or brainstorm partnership opportunities.
code-documenter — Generates, formats, and validates technical documentation — including docstrings, OpenAPI/Swagger specs, JSDoc annotations, doc portals, and user guides.
code-improver — Runs an autonomous review-and-fix improvement loop over any code target — a skill, plugin, module, or directory — using a reviewer the user names.
code-maturity-assessor — Systematic code maturity assessment using Trail of Bits' 9-category framework.
code-review — Review code for actionable defects. Correctness is the core; performance and security are optional sub-cases of the same engine.
code-review-and-quality — Conducts multi-axis code review. Use before merging any change. Use when reviewing code written by yourself, another agent, or a human.
code-simplification — Simplifies code for clarity. Use when refactoring code for clarity without changing behavior.
codeql — Scans a codebase for security vulnerabilities using CodeQL's interprocedural data flow and taint tracking analysis.
codex-1m-context-window-setup — Configures and verifies an expanded, model-aware context window for OpenAI Codex CLI and Codex Desktop by safely updating the shared base config.
codex-image-gallery — Start or reuse a self-contained local web gallery for browsing Codex-generated images.
cohort-analysis — Perform cohort analysis on user engagement data — retention curves, feature adoption trends, and segment-level insights.
cold-email — Write B2B cold emails and follow-up sequences that get replies.
community-marketing — Build and leverage online communities to drive product growth and brand loyalty.
competitive-battlecard — Create sales-ready competitive battlecards comparing your product against a specific competitor — positioning, feature comparison, objection handling.
competitor-analysis — Analyze competitors with strengths, weaknesses, and differentiation opportunities. Identifies direct competitors and maps the competitive landscape.
competitor-profiling — When the user wants to research, profile, or analyze competitors from their URLs. ' Input is a list of competitor URLs.
competitors — When the user wants to create competitor comparison or alternative pages for SEO and sales enablement.
competitors-analysis — Discover, clone, update, and analyze competitor repositories with evidence-based competitive intelligence.
comprehensive-research-agent — Ensure thorough validation, error recovery, and transparent reasoning in research tasks with multiple tool calls
connecting-lambda-to-api-gateway — Connects an existing AWS Lambda function to Amazon API Gateway by creating a REST or HTTP API with resource/method setup, Lambda proxy integration.
connecting-lambda-to-dynamodb — Connects an AWS Lambda function to DynamoDB with IAM roles, stream event source mapping, and read/write permissions.
connecting-to-data-source — Create and troubleshoot AWS Glue connections to JDBC databases (Oracle, SQL Server, PostgreSQL, MySQL, RDS), Redshift, Snowflake, and BigQuery.
connecting-vpcs-with-peering — Establishes VPC peering connections between two VPCs for direct private network connectivity.
constant-time-analysis — Detects timing side-channel vulnerabilities in cryptographic code.
constant-time-testing — Measures timing side channels in cryptographic implementations by running them.
constraint-driven-development — Establishes a project's quality bar as a written contract and stops agents quietly lowering it.
content-strategy — When the user wants to plan a content strategy, decide what content to create, or figure out what topics to cover.
context-compression — This skill should be used when long-running agent sessions need context compression, structured summarization, compaction, token-per-task optimization.
context-degradation — This skill should be used for diagnosing and mitigating context degradation: lost-in-middle failures, context poisoning, context clash, context confusion.
context-engineering-collection — A comprehensive collection of Agent Skills for context engineering, harness engineering, multi-agent architectures, and production agent systems.
context-fundamentals — This skill should be used to explain or reason about the foundational concepts of context engineering: what context is, the anatomy of a context window.
context-optimization — This skill should be used for improving context efficiency: context budgeting, observation masking, prefix or KV-cache strategy, partitioning.
continue-claude-code-work — Continues interrupted Claude Code work only after local history has been read and reconciled.
continue-codex-work — Continues interrupted OpenAI Codex work only after read-codex-history verifies the selected rollout identity and complete fork/compaction lineage.
coordinating-multi-space-devops-agent — Coordinate the AWS DevOps Agent across multiple AgentSpaces from one Claude Code session — route questions to the right space (prod vs staging vs knowledge).
copy-editing — When the user wants to edit, review, or improve existing marketing copy, or refresh outdated content.
copywriting — When the user wants to write, rewrite, or improve marketing copy for any page — including homepage, landing pages, pricing pages, feature pages, about pages.
cosmos-vulnerability-scanner — Scans Cosmos SDK blockchain modules and CosmWasm contracts for consensus-critical vulnerabilities — chain halts, fund loss, state divergence.
coverage-analysis — Measures and interprets what a fuzzing campaign actually reaches, using llvm-cov, lcov, or a fuzzer's own coverage output.
cpp-pro — Writes, optimizes, and debugs C++ applications using modern C++20/23 features, template metaprogramming, and high-performance systems techniques.
create-prd — Create a Product Requirements Document using a comprehensive 8-section template covering problem, objectives, segments, value propositions, solution.
creating-api-gateway-stage — Creates an API Gateway stage with CloudWatch logging, X-Ray tracing, throttling, WAF integration, and IAM roles following AWS best practices.
creating-data-lake-table — Create managed Iceberg tables using Amazon S3 Tables (s3tables API namespace) with automatic compaction and snapshot management.
creating-production-vpc-multi-az — Creates a production-ready VPC with public and private subnets across multiple Availability Zones, including internet gateway, NAT gateways, route tables.
cro — When the user wants to optimize, improve, or increase conversions on any marketing page or form — including homepage, landing pages, pricing pages.
crypto-protocol-diagram — spthy) models and generates Mermaid sequenceDiagrams with cryptographic annotations.