workflow-automation
Workflow automation is the infrastructure that makes AI agents reliable. Without durable execution, a network hiccup during a 10-step payment flow means lost money and angry customers. With it, workflows resume exactly where they left off. This skill covers the platforms (n8n, Temporal, Inngest) and patterns (sequential, parallel, orchestrator-worker) that turn brittle scripts into production-grade automation. Key insight: The platforms make different tradeoffs. n8n optimizes for accessibility, Temporal for correctness, Inngest for developer experience. Pick based on your actual needs, not hype. Use when "workflow, automation, n8n, temporal, inngest, step function, background job, durable execution, event-driven, scheduled task, job queue, cron, trigger, workflow, automation, n8n, temporal, inngest, durable-execution, event-driven, serverless, background-jobs" mentioned.
worldbuilding
World architect specializing in fictional history, magic systems, and lore consistencyUse when "worldbuilding, world lore, fictional world, create a world, fantasy setting, sci-fi universe, game lore, magic system, Sanderson's Laws, hard magic, soft magic, create a culture, fantasy religion, naming language, world bible, lore document, worldbuilding, lore, narrative, fiction, game-narrative, fantasy, scifi, magic-systems, culture-design, mythology, conlang" mentioned.
x402-payments
Expert in HTTP 402 Payment Required protocol implementation - crypto micropayments, Lightning Network integration, L2 payment channels, and the future of web monetizationUse when "402, http 402, payment required, micropayment, pay per request, api monetization, lightning network, payment channel, streaming payments, web monetization, paywall, crypto payment, l402, http-402, micropayments, lightning, payment-channels, web-monetization, api-payments, l2-payments, stablecoins, streaming-payments" mentioned.
yc-playbook
The YC meta-game distilled from 4000+ funded companies. Demo day prep, batch dynamics, investor updates, "launch now" mentality, talking to users obsessively. This is the playbook that turned $125K checks into trillion-dollar companies. Use when "yc, y combinator, demo day, batch, investor update, office hours, launch now, talk to users, do things that don't scale, make something people want, startup school, yc application, series a prep, post-yc, yc, startup, accelerator, demo-day, fundraising, launch, users, growth" mentioned.
zapier-make-patterns
No-code automation democratizes workflow building. Zapier and Make (formerly Integromat) let non-developers automate business processes without writing code. But no-code doesn't mean no-complexity - these platforms have their own patterns, pitfalls, and breaking points. This skill covers when to use which platform, how to build reliable automations, and when to graduate to code-based solutions. Key insight: Zapier optimizes for simplicity and integrations (7000+ apps), Make optimizes for power and cost-efficiency (visual branching, operations-based pricing). Critical distinction: No-code works until it doesn't. Know the limits. Use when "zapier, make, integromat, zap, scenario, no-code automation, trigger action, workflow automation, connect apps, automate, zapier, make, integromat, no-code, automation, workflow, integration, business-process, triggers, actions" mentioned.
hf-architecture-tikz
Draw Sebastian-Raschka-gallery-style TikZ architecture diagrams for any HuggingFace decoder-only LLM, with per-block parameter formulas and concrete numbers. Supports MHA, GQA, MLA, DeepSeek-V4-Flash (Hyper-Connections + Sparse Attention with learned indexer), dense and MoE FFNs (incl. hash routing), and MTP heads. Use when the user asks to visualize / diagram / illustrate a transformer or LLM architecture (DeepSeek, Qwen, Llama, Mistral, gpt-oss, etc.), wants a Raschka-style figure, or wants a TikZ/LaTeX rendering of an HF model.
html-flowchart-anthropic
Create and revise pure HTML/CSS flowcharts using an Anthropic-inspired design language. Use when Codex needs to produce process diagrams, decision trees, pipelines, or system flows that should share warm ivory backgrounds, transparent dashed grouping containers, pastel node fills, SF Pro-style sans-serif labels, smaller rounded corners, quiet orthogonal connectors, and theme-tinted text hierarchy in standalone `.html` outputs.
material-you-slides
Create presentation slides using Material You (Material Design 3) style. Generates 1280x720 HTML slides with M3 color tokens, Roboto typography, rounded cards, flow diagrams, metric cards, code blocks, and structured layouts. Use when the user asks to create slides, presentations, or decks and wants a clean, modern Material Design 3 aesthetic.
megatron-memory-estimator
Estimate GPU memory usage for Megatron-based MoE (Mixture of Experts) and dense models. Use when users need to (1) estimate memory from HuggingFace model configs (DeepSeek-V3, Qwen, etc.), (2) plan GPU resource allocation for training, (3) compare different parallelism strategies (TP/PP/EP/CP), (4) determine if a model fits in available GPU memory, or (5) optimize training configurations for memory efficiency.
openai-dotcom-viz
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slime-user
Guide for using SLIME (LLM post-training framework for RL Scaling). Use when working with SLIME for reinforcement learning training of language models, including setup, configuration, training execution, multi-turn interactions, custom reward models, tool calling scenarios, or troubleshooting SLIME workflows. Covers GRPO, GSPO, PPO, Reinforce++, multi-agent RL, VLM training, FSDP/Megatron backends, SGLang integration, dynamic sampling, and custom generation functions.
tikz-flowchart
Creates professional TikZ flowcharts with standardized themes, including Google Material-like and Anthropic-inspired options.
tilelang-developer
Write, optimize, and debug high-performance AI compute kernels using TileLang (a Python DSL for GPU programming). Use when the user requests: (1) Writing custom GPU kernels for AI workloads (GEMM, Attention, MLA, etc.), (2) Optimizing existing TileLang code for NVIDIA, AMD, or Ascend hardware, (3) Implementing non-standard operators (like DeepSeek MLA, FlashAttention variants), (4) Debugging TileLang compilation or runtime errors, or (5) Cross-platform kernel development targeting multiple GPU vendors.
add-javadoc
Add comprehensive JavaDoc documentation to Java classes and methods. Use when documenting Java code, adding API documentation, or improving code documentation.
add-skill
Import an existing skill from a GitHub repository URL into the current workspace. Use only when the user provides or references a GitHub URL/repo to fetch from (e.g., `/add-skill https://github.com/OpenHands/extensions/tree/main/skills/codereview` or "add the codereview skill from https://github.com/OpenHands/extensions/"). Handles fetching the skill files and placing them in .agents/skills/. This does not author new skills — to create a new skill from scratch (no source URL), use the skill-creator skill instead.
agent-memory
Persist and retrieve repository-specific knowledge using AGENTS.md files. Use when you want to save important information about a codebase (build commands, code style, workflows) for future sessions.
agent-sdk-builder
Guided workflow for building custom AI agents using the OpenHands Software Agent SDK. Use when you want to create a new agent through an interactive interview process that gathers requirements and generates implementation plans.
azure-devops
Interact with Azure DevOps repositories, pull requests, and APIs using the AZURE_DEVOPS_TOKEN environment variable. Use when working with code hosted on Azure DevOps or managing Azure DevOps resources.
bitbucket
Bitbucket integration hub. Detects whether the repository is on Bitbucket Cloud or Bitbucket Data Center and directs you to the matching detailed skill (bitbucket-cloud or bitbucket-data-center). Use for any Bitbucket repository or pull request task.
build-setup
Set up build environment and test fixtures for COBOL-to-Java migrations. Creates compilation infrastructure for both languages and generates golden test data.
cobol-modernization
End-to-end COBOL to Java migration workflow. Handles build setup, mainframe dependency removal, and code migration with test validation.
code-review
Rigorous code review focusing on data structures, simplicity, security, pragmatism, and risk/safety evaluation. Provides brutally honest, actionable feedback on pull requests or merge requests, including a risk assessment for every review. Use when reviewing code changes.
datadog
Query and analyze Datadog logs, metrics, APM traces, and monitors using the Datadog API. Use when debugging production issues, monitoring application performance, or investigating alerts.
deno
If the project uses deno, use this skill. Use this skill to initialize and work with Deno projects, add/remove dependencies (JSR and npm), run tasks and scripts with appropriate permissions, and use built-in tooling (fmt/lint/test).
discord
Build and automate Discord integrations (bots, webhooks, slash commands, and REST API workflows). Use when the user mentions Discord, a Discord server/guild, channels, webhooks, bot tokens, slash commands/application commands, discord.js, or discord.py.
docker
Run Docker commands within a container environment, including starting the Docker daemon and managing containers. Use when building, running, or managing Docker containers and images.
flarglebargle
A test skill that responds to the magic word "flarglebargle" with a compliment. Use for testing skill activation and trigger functionality.
frontend-design
Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.
github
Interact with GitHub repositories, pull requests, issues, and workflows using the GITHUB_TOKEN environment variable and GitHub CLI. Use when working with code hosted on GitHub or managing GitHub resources.
github-pr-review
Post PR review comments using the GitHub API with inline comments, suggestions, and priority labels.
gitlab
Interact with GitLab repositories, merge requests, and APIs using the GITLAB_TOKEN environment variable. Use when working with code hosted on GitLab or managing GitLab resources.
jupyter
Read, modify, execute, and convert Jupyter notebooks programmatically. Use when working with .ipynb files for data science workflows, including editing cells, clearing outputs, or converting to other formats.
kubernetes
Set up and manage local Kubernetes clusters using KIND (Kubernetes IN Docker). Use when testing Kubernetes applications locally or developing cloud-native workloads.
learn-from-code-review
Distill code review feedback from GitHub PRs into reusable skills and guidelines. This skill should be used when users ask to "learn from code reviews", "distill PR feedback", "improve coding standards", "extract learnings from reviews", or want to generate skills/guidelines from historical review comments.
linear
Interact with Linear project management - query issues, update status, create tickets, and manage workflows using the Linear GraphQL API. Use when working with Linear tickets, sprints, or project tracking.
mainframe-planning
Create a transformation guide for replacing mainframe-specific COBOL constructs with standard COBOL equivalents. Use when preparing COBOL code for local execution or migration.
mainframe-removal
Apply mainframe dependency transformations to COBOL code using a pre-generated transformation guide. Converts CICS/VSAM constructs to standard COBOL.
migration-mapping
Create a mapping from source language files to target language files for code migrations. Use when evaluating or documenting a migration project.
migration-report
Generate a comprehensive migration report summarizing quality scores and providing recommendations. Use after scoring a migration project.
migration-scoring
Evaluate code migration quality with coverage, correctness, and style scoring. Generates executive reports with actionable recommendations.
notion
Create, search, and update Notion pages/databases using the Notion API. Use for documenting work, generating runbooks, and automating knowledge base updates.
npm
Handle npm package installation in non-interactive environments by piping confirmations. Use when installing Node.js packages that require user confirmation prompts.
openhands-api
Reference skill for the OpenHands Cloud REST API (V1) and agent-server APIs, including how to start additional cloud or local backend conversations for fresh-context or delegated work.
pdflatex
Install and use pdflatex to compile LaTeX documents into PDFs on Linux. Use when generating academic papers, research publications, or any documents written in LaTeX.
score-quality
Score code migration quality based on coverage and correctness. Evaluates how well target code represents source functionality.
score-style
Score migrated code against style guidelines and best practices. Evaluates code quality independent of functional correctness.
security
Security best practices for secure coding, authentication, authorization, and data protection. Use when developing features that handle sensitive data, user authentication, or require security review.
skill-creator
This skill should be used when the user wants to "add a skill", "create a skill", "make a new skill", "write a new skill", "improve skill description", "organize skill content", or needs guidance on skill structure, progressive disclosure, or skill development best practices. Use this (not add-skill) when authoring a new skill from scratch rather than importing one from a GitHub URL.
ssh
Establish and manage SSH connections to remote machines, including key generation, configuration, and file transfers. Use when connecting to remote servers, executing remote commands, or transferring files via SCP.
swift-linux
Install and configure Swift programming language on Debian Linux for server-side development. Use when building Swift applications on Linux or setting up a Swift development environment.
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