Simplification Cascades
Find one insight that eliminates multiple components - "if this is true, we don't need X, Y, or Z"
When Stuck - Problem-Solving Dispatch
Dispatch to the right problem-solving technique based on how you're stuck
Preserving Productive Tensions
Recognize when disagreements reveal valuable context, preserve multiple valid approaches instead of forcing premature resolution
Brainstorming Ideas Into Designs
Interactive idea refinement using Socratic method to develop fully-formed designs
Dispatching Parallel Agents
Use multiple Claude agents to investigate and fix independent problems concurrently
Executing Plans
Execute detailed plans in batches with review checkpoints
Finishing a Development Branch
Complete feature development with structured options for merge, PR, or cleanup
Code Review Reception
Receive and act on code review feedback with technical rigor, not performative agreement or blind implementation
Remembering Conversations
Search previous Claude Code conversations for facts, patterns, decisions, and context using semantic or text search
Tracing Knowledge Lineages
Understand how ideas evolved over time to find old solutions for new problems and avoid repeating past failures
Condition-Based Waiting
Replace arbitrary timeouts with condition polling for reliable async tests
Test-Driven Development (TDD)
Write the test first, watch it fail, write minimal code to pass
Testing Anti-Patterns
Never test mock behavior. Never add test-only methods to production classes. Understand dependencies before mocking.
Getting Started with Skills
Skills wiki intro - mandatory workflows, search tool, brainstorming triggers
alby-bitcoin-builder
Add bitcoin lightning wallet capabilities to your app using Nostr Wallet Connect (NIP-47), LNURL, and WebLN. Send and receive payments, handle payment notifications, fetch wallet balance and transaction list, do bitcoin to fiat currency conversions, query lightning addresses, conditionally settle payments (HOLD invoices), parse BOLT-11 invoices, verify payment preimages.
apollo-graphql-best-practices
Best practices for Apollo GraphQL development including Apollo Client (React hooks, caching, error handling) and Apollo Server (schema design, resolvers, context, plugins). Use when writing, reviewing, or refactoring GraphQL code with Apollo, setting up Apollo Client/Server, implementing queries/mutations, configuring cache policies, or handling GraphQL errors.
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.
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.
mainframe-removal
Apply mainframe dependency transformations to COBOL code using a pre-generated transformation guide. Converts CICS/VSAM constructs to standard COBOL.
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.
to-java-migration
Migrate COBOL code to idiomatic Java, preserving business logic while following Java best practices. Use for COBOL modernization projects.
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.
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.
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
Add an external skill from a GitHub repository to the current workspace. Use when users want to import, install, or add a skill from a GitHub URL (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/.
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.
babysit-pr
Babysit a GitHub pull request by continuously polling CI checks/workflow runs, new review comments, and mergeability state until the PR is ready to merge (or merged/closed). Diagnose failures, retry likely flaky failures up to 3 times, fix/push branch-related issues when appropriate, and stop only when user help is required (e.g., CI infrastructure outages, exhausted flaky retries, permissions, or ambiguous/blocking situations). Use when the user asks to monitor/watch/babysit a PR, watch CI, handle review comments, or keep an eye on mergeability.
bitbucket
Interact with Bitbucket repositories and pull requests using the BITBUCKET_TOKEN environment variable. Use when working with code hosted on Bitbucket or managing Bitbucket resources via API.
code-review
Structured code review covering style, readability, and security concerns with actionable feedback. Use when reviewing pull requests or merge requests to identify issues and suggest improvements.
codereview-roasted
Brutally honest code review in the style of Linus Torvalds, focusing on data structures, simplicity, and pragmatism. Use when you want critical, no-nonsense feedback that prioritizes engineering fundamentals over style preferences.
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-pr-review
Post PR review comments using the GitHub API with inline comments, suggestions, and priority labels.
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.
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.
init
Create an AGENTS.md contributor guide for a repository (or a subdirectory) following a concise, repo-specific template. Use when the user runs /init.
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.
notion
Create, search, and update Notion pages/databases using the Notion API. Use for documenting work, generating runbooks, and automating knowledge base updates.
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