playwright-cli
Automates browser interactions for web testing, form filling, screenshots, and data extraction. Use when the user needs to navigate websites, interact with web pages, fill forms, take screenshots, test web applications, or extract information from web pages.
repo-onboarding
Generate an onboarding cheat-sheet for an unfamiliar repository, covering what it is, the tech stack, architecture, local dev, deployment / CI/CD, databases, and critical engineering points. Produces a single grounded markdown file the user keeps and updates.
review-python-code
Review Python code for bugs, edge cases, and pitfalls specific to ML, data, API, and deployment contexts (data leakage, tensor shapes, device placement, missing timeouts, hardcoded secrets, resource leaks). Reports findings in chat without editing files.
structure-prompt
Restructures a raw, unformatted prompt into a clean, XML-tagged prompt without altering its content. Outputs the structured prompt only; does not execute the task the prompt describes.
commit-message
Generate commit messages for staged git changes. Use when the user asks to generate a commit message or wants help writing commit messages.
debug-issue
Debug errors using logs and stack traces. Use when the user shares an error message, crash log, or runtime issue to fix.
explain-code
Explains code with visual diagrams and analogies. Use when explaining how code works, teaching about a codebase, or when the user asks "how does this work?"
explain-issue
Explain errors without editing files. Use when the user wants to understand an error or crash but not immediately fix it.
daily-log-checklist
Convert a daily log file's bullet points into a structured checklist (checkbox, short title, description, status per item), editing the file in place.
convert-to-md
Convert documents to Markdown. PDFs go through the LlamaParse API (best quality, costs credits, tier selectable) or a local PyMuPDF engine (free, offline, no API key); other formats (DOCX, PPTX, XLSX, HTML, EPUB) are converted locally with markitdown.
fireflies-format
Reformat raw Fireflies meeting notes into structured markdown with Key Takeaways, timestamped Notes sections, and per-person Action Item checklists, overwriting each file in place. Light copy-edits only, no summarizing or rewriting.
basic-image-editing
Image manipulation via a bundled script, resizing, rotation, flipping, cropping, padding, format conversion (JPEG/PNG/WebP/TIFF/HEIC), transparency operations (remove/replace/extract/blend), grayscale conversion, auto-cropping borders, and file size optimization.
bang-motion
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htmx-skill
Documentation for the htmx JavaScript library (attributes, events, headers, API, extensions, examples, migration guides, server examples). Use when you need accurate htmx syntax/behavior or to locate the right reference page for an htmx question.
code-refactoring
Proactively monitors file sizes and suggests refactoring BEFORE editing. Auto-invoked when files exceed size thresholds (150/200/300 lines) or complexity patterns detected. Works across JavaScript/TypeScript, Python, and general codebases. Prevents accidental complexity growth.
code-reviewer
Research-backed code review skill with OWASP Top 10 security checks, SAST tool integration (SonarQube, CodeQL, Snyk), performance pattern detection, and automated quality standards enforcement. Auto-invoked for code review, security audit, PR analysis, and bug checking. Implements 2025 best practices with 92% faster vulnerability remediation.
ui-ux-audit
Mandatory audit workflow for UI/UX changes that reads current state FIRST, checks for redundancy, respects clean design philosophy, and identifies genuine gaps before implementation. Auto-invoked when user mentions UI, UX, design, layout, homepage, page improvements, visual changes, or interface modifications.
feature-orchestrator
Research-backed feature implementation workflow enforcing gap analysis, incremental planning, agent coordination, and continuous integration best practices. Auto-invoked for ALL feature implementation requests to prevent code duplication and ensure CLAUDE.md compliance.
skill-builder
Guide users through creating new Claude Code Skills with proper structure, validation, and best practices
skill-contributor
Guides contributors through adding new skills to the claude-code-skills repository via Pull Request with proper validation and documentation
frontend-ui
Create aesthetically pleasing, visually distinctive frontend UIs using research-backed prompting strategies from Anthropic's frontend aesthetics cookbook
shownotes-generator
Generate comprehensive "Shownotes" summaries from longform articles, papers, transcripts, videos, or audio content. Use when users request shownotes, episode summaries, content summaries with takeaways, or when they reference the mdynotes.com format. Creates structured summaries with metadata, hooks, takeaways, quotes, and references.
library-bundled-skill
Skill shipped by a regular library package, not a dedicated skill package
collision-skill
Duplicate name fixture A for direct skills tests.
malformed-skill
This has invalid YAML: unquoted colon value
database-analyzer
Analyze and optimize database schemas, identify performance issues, and suggest improvements. Use when working with database structure, indexes, or query performance.
duplicate-skill
First version of duplicate skill from package A
fastapi-clean-architecture
Build FastAPI applications using Clean Architecture principles with proper layer separation (Domain, Infrastructure, API), dependency injection, repository pattern, and comprehensive testing. Use this skill when designing or implementing Python backend services that require maintainability, testability, and scalability.
brazilian-financial-integration
Implement Brazilian financial system integrations including Boleto generation, PIX payments, parcelamento (installments), CPF/CNPJ validation, and Banco do Brasil API integration. Use this skill when building fintech applications, payment processing systems, or any system requiring Brazilian banking compliance.
Async Testing Expert
Comprehensive pytest skill for async Python testing with proper mocking, fixtures, and patterns from production-ready test suites. Use when writing or improving async tests for Python applications, especially FastAPI backends with database interactions.
multi-system-sso-authentication
Implement enterprise Single Sign-On (SSO) authentication supporting multiple identity providers with JWT RS256 tokens, backwards verification, session management, and cross-system permission mapping. Use this skill when building authentication systems that integrate with multiple enterprise SSO providers or when implementing secure token validation with session verification.
skill-developer
Create and manage Claude Code skills following Anthropic best practices. Use when creating new skills, modifying skill-rules.json, understanding trigger patterns, working with hooks, debugging skill activation, or implementing progressive disclosure. Covers skill structure, YAML frontmatter, trigger types (keywords, intent patterns, file paths, content patterns), enforcement levels (block, suggest, warn), hook mechanisms (UserPromptSubmit, PreToolUse), session tracking, and the 500-line rule.
canvas
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membersim
MemberSim generates realistic synthetic claims and payer data for testing claims processing systems, payment integrity, and benefits administration.
patientsim
Generate realistic clinical patient data including demographics, encounters, diagnoses, medications, labs, and vitals. Use when user requests: (1) patient records or clinical data, (2) EMR test data, (3) specific clinical cohorts like diabetes or heart failure, (4) HL7v2 or FHIR patient resources.
populationsim
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rxmembersim
RxMemberSim generates realistic synthetic pharmacy data for testing PBM systems, claims adjudication, and drug utilization review. Use when user requests: (1) pharmacy claims or prescription data, (2) DUR alerts or drug interactions, (3) formulary or tier cohorts, (4) pharmacy prior authorization, (5) NCPDP formatted output.
trialsim
Generate realistic clinical trial synthetic data including study definitions, sites, subjects, visits, adverse events, efficacy assessments, and disposition. Use when user requests: clinical trial data, CDISC/SDTM/ADaM datasets, trial cohorts (Phase I/II/III/IV), FDA submission test data, or specific therapeutic areas like oncology or biologics/CGT.
networksim
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generation
Conversation-driven specification and execution of healthcare data generation at scale. Use when building profiles, generating cohorts, creating journeys, batch generation, specifying distributions, or any at-scale data generation task.
common
Cross-product infrastructure for HealthSim — persistence (cohort save/load), identity correlation (SSN-based cross-product linking), and DuckDB database operations. Use when saving/loading cohorts, linking entities across products, or querying the database directly.
signalwire
Use when building telephony, messaging, or video applications; implementing voice AI agents; working with SWML call flows; debugging webhook callbacks or call state issues; setting up real-time WebSocket communication; encountering authentication 401/403 errors; or troubleshooting SWAIG function errors - provides REST API patterns, SDK examples, and production-tested workflows for modern SignalWire communication systems
file-to-base64
Convert files (PDF, images) to Base64 encoding with MIME type detection for API attachments. Use when you need to prepare file attachments for the FreeAgent API or any other API that requires Base64-encoded files.
recursive-knowledge
Process large document corpora (1000+ docs, millions of tokens) through knowledge graph construction and stateful multi-hop reasoning. Use when (1) User provides a large corpus exceeding context limits, (2) Questions require connections across multiple documents, (3) Multi-hop reasoning needed for complex queries, (4) User wants persistent queryable knowledge from documents. Replaces brute-force document stuffing with intelligent graph traversal.
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.
monitoring-ci
Monitor and watch GitHub Actions CI/CD pipeline runs in real time. Use when the user has pushed code and wants to watch the build, check CI status, see if tests passed, monitor a pipeline, or wait for a workflow run to complete. Also use after any `jj git push` or `git push` command. Reports pass/fail with failed job logs. Do NOT use for writing or editing CI workflow YAML files, optimizing CI config, or debugging CI configuration — only for monitoring active runs.
syncing-claude-config
Sync this Claude Code config against new release notes — find config features added since the pinned baseline that this config should adopt. Use when Claude Code has been updated, when the user asks what's new / what changed / whether to adopt new settings or hooks, after a version bump, or when checking config currency against the latest release. Reports adoptable settings/hooks/env-vars/permissions as a risk-tiered proposal, then bumps the baseline. Do NOT use for auditing existing config quality, debugging hooks, or organizing rules — that is `maintaining-claude-code`.
specifying-and-planning
Plan project implementation -- extract requirements from specs, break into tasks, create GitHub issues, set up project boards, or generate agent team configurations. Use when planning a project, extracting requirements, breaking down tasks, creating issues from a spec, setting up GitHub projects, or generating team plans.
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").
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