Best software development skills for Claude Code, Codex and other agents.

Scans React code for lint, accessibility, bundle size and architecture issues, reports a health score and checks that changes do not lower it.

makeplane/plane

Walks the last step of a branch: confirm tests pass, detect the git environment, ask how to integrate, carry out your choice and clean up the worktree.

obra/superpowers

Master TypeScript's advanced type system including generics, conditional types, mapped types, template literals, and utility types for building type-safe applications.

rolling-scopes/rsschool-app

Watches an open GitHub pull request until it merges, handling review comments, diagnosing CI failures and retrying flaky checks along the way.

openinterpreter/openinterpreter

Reviews code against a five-part checklist covering security, correctness, performance, maintainability and testing, and reports findings in a fixed format.

shareAI-lab/learn-claude-code

Monitor Nx Cloud CI pipeline and handle self-healing fixes. An agent skill from nrwl/nx.

nrwl/nx

Rules for structuring React components with composition instead of boolean props, covering compound components, lifted state, variants and React 19 changes.

vercel-labs/openreview

NestJS best practices and architecture patterns for building production-ready applications.

rolling-scopes/rsschool-app

Researches a GitHub repository over four rounds using the GitHub API and web search, then writes a structured markdown report with timeline, metrics and Mermaid diagrams.

bytedance/deer-flow

Iteratively improves a PR (GitHub), MR (GitLab), or shelved changelist (Perforce) until Greptile gives it a 5/5 confidence score with zero unresolved comments.

onyx-dot-app/onyx

Operate Orca-managed worktrees, folder contexts, terminals, repos, automations, artifacts, skill sharing, worktree comments, and Orca's embedded…

stablyai/orca

Behavioral guidelines to reduce common LLM coding mistakes. An agent skill from akash-network/node.

akash-network/node

Create and edit JSON Canvas files (.canvas) with nodes, edges, groups, and connections.

heyitsnoah/claudesidian

Creates interactive architecture, workflow, sequence, data-flow and lifecycle diagrams as standalone HTML with inline SVG, themes and image or video export.

tt-a1i/archify

Reach into past AI conversation history through the trellis mem CLI.

mindfold-ai/Trellis

Import, merge, or combine repositories into an Nx workspace using nx import.

nrwl/nx

Explore and understand Nx workspaces. An agent skill from nomcopter/react-mosaic.

nomcopter/react-mosaic

Walks you through a complete OpenSpec workflow cycle with narration while doing real work in your codebase.

Fission-AI/OpenSpec

Guides work on React Router apps by first identifying whether the app uses Framework, Data or Declarative mode, then loading the matching reference and the installed package docs.

remix-run/react-router

Verify implementation matches OpenSpec change artifacts. An agent skill from Fission-AI/OpenSpec.

Fission-AI/OpenSpec

Write docstrings for PyTorch functions and methods following PyTorch conventions.

pytorch/pytorch

Answers questions about a codebase by searching a prebuilt knowledge graph of its files, functions, classes and dependencies, not by rereading every source file.

Egonex-AI/Understand-Anything

Creates branded diagrams, from architecture, flowchart and sequence to charts and maps, as self-contained HTML with inline SVG, with import from draw.io, Mermaid and Excalidraw.

cathrynlavery/diagram-design

Tells the agent where new code belongs in an Electron multi-process project and which APIs each process may use, with rules for new bridges, services, agents and workers.

iOfficeAI/AionUi

Bumps the pinned v8 and rusty_v8 versions in Codex, validates the release-candidate path with the v8-canary check, and traces failures to upstream build changes.

openinterpreter/openinterpreter

Turns natural-language code queries into ast-grep rules for structural search, testing each rule against an example file before running it on a codebase.

warp-drive-data/warp-drive

Sets patterns for React interfaces: when to show loading spinners or skeletons, how to surface errors, how to disable buttons during async work and how to handle empty lists.

ChrisWiles/claude-code-showcase

Digs into why code is shaped the way it is by checking git history, pull requests and connected tools in parallel, then reporting a cited read on the tradeoffs.

cursor/plugins

Create precise SVG technical diagrams, export PNG or offline HTML, and animate supported semantic SVGs to GIF.

tisfeng/Easydict

Set up Claude Code hooks to block dangerous git commands (push, reset --hard, clean, branch -D, etc.) before they execute.

fossasia/eventyay-interpretation

Checks a GitHub, GitLab, or Perforce (p4) pull request (or merge request, or shelved changelist) for unresolved review comments, failing status checks, and incomplete PR descriptions.

onyx-dot-app/onyx

Walks through writing an OpenCLI adapter for a new site or a new command on an existing one, from first recon and field decoding to coding and verification.

jackwener/OpenCLI

Review backend code for quality, security, maintainability, and best practices based on established checklist rules.

langflow-ai/langflow

Reads your git changes or a pull request against a prebuilt knowledge graph of the project to explain what changed, which components are affected and what is risky.

Egonex-AI/Understand-Anything

Authors and edits file-based Warp software factory definitions rooted at factory.yaml, covering agents, automations, scorers and webhooks, and validates them before a pull request.

warpdotdev/warp

Unified LLM torch-profiler triage skill for sglang, vllm, TensorRT-LLM, and TokenSpeed.

sgl-project/sglang

Helps with running tasks in an Nx workspace. An agent skill from nomcopter/react-mosaic.

nomcopter/react-mosaic

Turns an API description, such as an OpenAPI file or a Postman collection, into a connector plugin for ToolJet's marketplace and checks it with the repo's validator.

ToolJet/ToolJet

Configure this repo for the engineering skills — set up its issue tracker, triage label vocabulary, and domain doc layout.

bestofjs/bestofjs

Investigates failing Pester tests in PowerShell CI jobs by following a six-step workflow from pull request status to documented fix recommendations.

PowerShell/PowerShell

A catalog of recurring bug shapes in the Mole Mac cleaner, used to review safety-sensitive diffs for deletion safety, unbounded commands, shell traps and weak tests.

tw93/Mole

Adds tree-sitter support for a new language to the codegraph project, then tests it and benchmarks extraction quality and retrieval value on real repositories.

colbymchenry/codegraph

Reviews backend code under api/ for concrete, reproducible defects, routes to rule packs for architecture, schema, repositories and SQLAlchemy, and ranks findings from P0 to P3.

langgenius/dify

For a non-trivial pull request, write a self-contained HTML design doc under the temporary .pr/ directory and link a visibility-appropriate preview in the PR description, so maintainers grasp the…

OpenHands/OpenHands

Reviews WooCommerce code changes against the project's standards, flagging backend PHP architecture, naming, documentation, data integrity and testing violations.

woocommerce/woocommerce

A skill your agent uses when implementing or debugging ANY network request, API call, or data fetching.

CherryHQ/cherry-studio-app

A skill your agent uses when a Payload pull request needs a concise visual walkthrough for reviewers.

payloadcms/payload

Archives several completed OpenSpec changes in one operation, checking the codebase to resolve spec conflicts rather than archiving blindly.

Fission-AI/OpenSpec