extensions

Create, debug, and test GitHub Actions workflows and custom actions. Use when building CI/CD pipelines, automating workflows, or troubleshooting GitHub Actions.

Iterate on a GitHub pull request — drive it through CI, code review, and QA until it is merge-ready. Poll verification layers with `gh` CLI, diagnose and fix CI failures, address review feedback, retry flaky checks, push fixes, and repeat. The agent is the orchestration loop.

Reference skill for the OpenHands Software Agent SDK - the Python framework for building AI agents that write software. Use when you need to build agents with the SDK, create custom tools, configure LLMs, manage conversations, delegate to sub-agents, or deploy agents locally or remotely.

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.

This skill should be used when the user asks to "write in plain English", "make this easier to read", "rewrite guidance", "improve report clarity", or produce accessible public-facing prose. It applies plain English content design principles: active voice, front-loaded content, sentence case, and no bold or italics for emphasis.

Generate a Product Requirements Document (PRD) for a new feature. Use when planning a feature, starting a new project, or when asked to create a PRD.

This skill should be used when the user asks to "QA a pull request", "test PR changes", "verify a PR works", "functionally test changes", or when an automated workflow triggers QA validation of code changes. Provides a structured methodology for setting up the environment, exercising changed behavior, and reporting results.

Generate formatted changelogs from git history since the last release tag. Use when preparing release notes that categorize changes into breaking changes, features, fixes, and other sections.

Create an automation that writes a recurring research brief. Uses Tavily MCP for web research and Notion MCP to publish the final brief with executive summary, implications, and source citations.

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.

Add comprehensive JavaDoc documentation to Java classes and methods. Use when documenting Java code, adding API documentation, or improving code documentation.

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.

Work effectively inside a local Agent Canvas environment, including local agent-server auth, frontend/backend port discovery, safe workspace hygiene, and delegating work to a new local conversation through POST /api/conversations.

Create file-based sub-agents as Markdown files following the OpenHands SDK format. Guides the user through a structured interview to collect requirements, then generates a ready-to-deploy agent file. Use this skill when the user wants to create, design, or build a new sub-agent, even if they don't use the /agent-creator command.

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.

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.

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 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.

Bitbucket Cloud (bitbucket.org) specifics — authenticate with BITBUCKET_TOKEN, use the REST API v2, workspace/repo_slug repositories, and the create_bitbucket_pr tool. Loaded on demand by the bitbucket skill once a Cloud environment is detected.

Bitbucket Data Center (self-hosted Bitbucket Server) specifics — authenticate with BITBUCKET_DATA_CENTER_TOKEN, use the REST API 1.0, PROJECT/repo_slug repositories, scm/ git remotes, and the create_bitbucket_data_center_pr tool. Loaded on demand by the bitbucket skill once a Data Center environment is detected.

This skill should be used when the user asks to "create an OpenHands App", "scaffold a Canvas App", "build an app with the Canvas Extensions API", "build an Agent Canvas App", "bundle a single-file Canvas App", "build a Sidecar-backed Canvas App", "add onboarding for an App service", "add a custom interface to Agent Canvas", "validate an OpenHands App", or mentions Canvas Apps, Agent Canvas extensions, Blob-importable app bundles, registerPage, app pages, Sidecars, or canvas extension packages.

Review code changes for material correctness, security, compatibility, and maintainability risks, grounded in the current repository and acceptance criteria.

Simplifies and refines code for clarity, consistency, and maintainability while preserving all functionality. Analyzes recently modified code across three dimensions - code reuse, code quality, and efficiency - and provides actionable improvement suggestions. This skill should be used when the user asks to "simplify code", "refine code", "clean up code", "improve code quality", or requests a simplification review of recent changes.

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.

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).

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.

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.

Back factual claims and field values with official, verifiable sources. Use when the user asks to fill fields, answer questions, or make claims that must be supported by an exact quote and an official link.

A test skill that responds to the magic word "flarglebargle" with a compliment. Use for testing skill activation and trigger functionality.

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.

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.

Create an automation that keeps AGENTS.md current in one or more GitHub repositories. On a schedule - weekly by default - it clones the default branch, starts an OpenHands conversation that reads the repository and creates or updates AGENTS.md, and opens a pull request with the result.

Periodically check pull requests and merge only current heads with independent review, tests, and passing CI.

Create an automation that implements GitHub issues when a configurable trigger label is applied. Polls one or more repositories deterministically, clones the default branch, starts one OpenHands conversation per label event, then commits, pushes, and opens the pull request itself.

Prioritize open issues and establish acceptance criteria before marking them ready for development.

Post PR review comments using the GitHub API with inline comments, suggestions, and priority labels.

Create an automation that reviews GitHub pull requests when a configured reviewer is requested or a trigger label is applied. Starts one OpenHands review conversation per request with the pull request's exact head checked out, and publishes the review to GitHub.

This skill should be used when the user asks to "monitor a GitHub repository", "watch GitHub for issues or PRs", "respond to @OpenHands mentions on GitHub", "set up an OpenHands GitHub integration", "trigger OpenHands from a GitHub comment", or "poll a GitHub repo for a trigger phrase". Guides the user through creating a cron automation that polls a single repository and starts an OpenHands conversation whenever a configurable trigger phrase is detected in an issue or PR comment.

Warn and close abandoned pull requests whose required CI remains failing.

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.

Create an automation that implements GitLab issues when a configurable trigger label is applied. Polls one or more projects deterministically, clones the default branch, starts one OpenHands conversation per label event, then commits, pushes, and opens the merge request itself.

Create an automation that drafts incident retrospectives. Gathers incident-channel messages from Slack, collects linked tickets and follow-ups from Linear, and publishes a retrospective draft to Notion with a timeline, impact summary, root-cause hypotheses, and action items.

This skill should be used when the user asks to "set up a Jira automation to create pull requests", "poll Jira for create-pr issues", "automatically create GitHub PRs from Jira tickets", "deploy a Jira issue-to-PR automation", "create a Jira to GitHub PR workflow", or mentions automating GitHub PR creation from a Jira label. Deploys a cron-based OpenHands automation that watches a Jira Cloud project for issues labeled with a configurable label (default: "create-pr") and spawns an agent conversation to create a GitHub pull request for each new issue found. The target GitHub repository is read from the body of the Jira ticket - no repo parameter is required at deploy time.

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.

Set up and manage local Kubernetes clusters using KIND (Kubernetes IN Docker). Use when testing Kubernetes applications locally or developing cloud-native workloads.

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.

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.

Create an automation that triages new Linear issues. Inspects the issue title, description, team, customer, priority, and recent related issues via Linear MCP. Suggests labels, priority, likely owner, duplicates, and posts a clarifying comment.

Create an automation that reads a list of public RSS and Atom feeds on a schedule - daily by default - keeps what is new and matches the configured topics, and has an agent write a short digest of it. It needs no credentials: the feeds are public URLs and the conversation is started with no secrets and no MCP servers.

Create, search, and update Notion pages/databases using the Notion API. Use for documenting work, generating runbooks, and automating knowledge base updates.

Handle npm package installation in non-interactive environments by piping confirmations. Use when installing Node.js packages that require user confirmation prompts.

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.

This skill should be used when the user asks to "create an automation", "schedule a task", "set up a cron job", "webhook integration", "event-triggered automation", or mentions automations, scheduled tasks, cron scheduling, or webhook events in OpenHands Cloud.

This skill should be used when a user reports an issue with OpenHands Enterprise (OHE) on a self-hosted (Replicated VM-based) installation. Use for diagnosing sandbox startup failures, auth issues, certificate errors, LLM connectivity problems, Keycloak login issues, Replicated Admin Console access, upgrade failures, or resource exhaustion. Helps triage symptoms, run diagnostic commands, guide through recovery steps, generate and analyze Replicated support bundles offline, and produce escalation handoffs.

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.

This skill should be used when the user asks to "monitor a Slack channel", "watch Slack for messages", "create a Slack bot that responds to mentions", "set up an OpenHands Slack integration", "trigger OpenHands from Slack", "respond to @openhands in Slack", or "poll Slack channels for a trigger phrase". Guides the user through creating a cron automation that watches up to 10 Slack channels and starts an OpenHands conversation whenever a configurable trigger phrase is detected.

Create an automation that generates an async standup digest from Slack. Searches selected channels for messages since the previous workday, groups updates by project, highlights blockers and decisions, and posts a summary to a target channel.

Upgrade Apache Spark applications between major versions (2.x→3.x, 3.x→4.x). Covers build files, deprecated APIs, configuration changes, SQL/DataFrame updates, and test validation.

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.

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.

Guides technical explanations toward flowing, direct, conversational prose. This skill should be used for engineering chat, design discussion, architecture analysis, code-review explanations, and technical recommendations that should be concise without becoming fragmented or vague.

Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.

Set up a ticket-to-code-change automation using Jira or Linear as the issue tracker and GitHub, GitLab, or Bitbucket as the source-control provider. Watches for implementation-ready tickets, starts an OpenHands conversation to implement and test the request, opens a pull or merge request, and links the result back to the ticket.

This skill should be used when the user asks to "keep a fork in sync", "rebase local changes on upstream", "sync my fork nightly", "long-lived fork", or "automate upstream rebases". Guides the user through creating a cron automation that fetches upstream changes, rebases local customizations on top, verifies the software works, and replaces the running version when the rebase is clean.

If the project uses uv, use this skill. Use this skill to create/manage Python projects and environments with `uv`, add/remove dependencies, sync a project from `uv.lock`, and run commands in the project environment.

Deploy and manage applications on Vercel, including preview deployments and deployment protection. Use when working with Vercel-hosted projects or configuring Vercel deployments.