Best agent skills for developers, page 21

A skill your agent uses when building real-time, bidirectional streaming applications with the Gemini Live API, or migrating legacy Live models (2.0/2.5/3.1) to Gemini 3.8 Live.

google-gemini/gemini-skills

Scan an iOS/macOS Xcode project for common App Store rejection patterns before submission.

truongduy2611/app-store-preflight-skills

Uploads a binary test file to the SimpleITK ExternalData repository by hashing it with SHA-512, staging it in the object store, writing a content-link file and opening a draft PR.

SimpleITK/SimpleITK

Guide for creating effective skills. An agent skill from letta-ai/letta-code.

letta-ai/letta-code

How to use Instagram CLI to interact with Instagram from the command line on behalf of a user.

supreme-gg-gg/instagram-cli

Initializes an AI development session by reading workflow guides, developer identity, git status, active tasks, and project guidelines from .trellis/.

ROYIANS/foliq-print-template-designer

Interact with IIB (Infinite Image Browsing) service for searching, browsing, tagging, and organizing AI-generated images.

zanllp/infinite-image-browsing

Compress natural language memory files (CLAUDE.md, todos, preferences) into caveman format to save input tokens.

vishiri/fantasia-archive

A skill your agent uses when the user wants to file good-first-bugs in Bugzilla for Firefox.

BrowserWorks/waterfox-android

A skill your agent uses when cutting or preparing a new Aptos CLI release, bumping the aptos crate version, or editing crates/aptos/CHANGELOG.md for a release

aptos-labs/aptos-core

Smoke test Mastra projects locally or deploy to staging/production.

mastra-ai/mastra

Fixes a React Router bug reported in a GitHub issue end to end: fetching the issue, validating the reproduction, writing a failing test and implementing the fix on a new branch.

remix-run/react-router

Configures OpenClaw to use free OpenRouter models, setting the best one as primary and adding ranked fallbacks so rate limits do not interrupt work.

Shaivpidadi/FreeRide

Use CodeGraphContext (CGC) to index a repo into a graph DB and query it via CLI or MCP.

CodeGraphContext/CodeGraphContext

Reviews RTK's Rust code for over-engineering and verbose patterns, applying idioms like iterator chains and early returns while protecting a specific list of constraints from being simplified away.

rtk-ai/rtk

Runs the cmux release process: gathers per-PR changelog lines since the last tag, bumps the version, guards against a bad tag, then tags and pushes the macOS DMG release.

manaflow-ai/cmux

Reproduce a SkiaSharp issue systematically and capture structured reproduction results.

mono/SkiaSharp

A skill your agent uses when adding, moving, or wiring an internal REST endpoint in Trilium (a new /api/ route) — choosing between a core-shared handler (packages/trilium-core/src/routes/index.ts…

TriliumNext/Trilium

Update the current GitHub PR title and body for this repository so they match the repo's pull request template and conventional-commit title style.

module-federation/core

Build and edit Activepieces pieces (integrations) — creating new pieces, adding actions or triggers, or fixing bugs in existing ones.

activepieces/activepieces

Generate music using ElevenLabs Music API. An agent skill from tadaspetra/loop.

tadaspetra/loop

Quick execution for ad-hoc tasks without full workflow overhead — use for small, self-contained requests

nyldn/claude-octopus

Creates a Phorge code review diff for the current branch with arc diff, while applying public-repo confidentiality rules since Phorge content later lands verbatim on the public GitHub repo.

yugabyte/yugabyte-db

A skill your agent uses when working with Foundatio infrastructure abstractions for .NET -- caching, queuing, messaging, file storage, distributed locking, or background jobs.

FoundatioFx/Foundatio

Generate, texture, rig, animate, stylize, convert, and download 3D assets for Three.js games via the Tripo API.

valkor-ai/loom

Produce Lettuce's implementation plan for a Redis API change from a shared client HLD - one reviewed markdown file naming the public API to add, every file and flavor to touch, the ordered steps…

redis/lettuce

Mall4j 开源版现有功能副驾驶：本地启动、mall4v/mall4m/mall4uni、商品/SKU、购物车、下单支付、订单发货、会员、运费、权限、部署排查。适用于下载 mall4j / yami-shop 后按现有功能使用或二次开发；不要编造开源版没有的能力。

gz-yami/mall4j

Lists, downloads, references and deploys agents on a Yao host through five bash-invoked tools, keeping edits to the smith namespace while allowing read-only study of any agent.

YaoApp/yao

Resolves a named time window like lastWeek, last30Days or lastQuarter into exact ISO start and end dates relative to the current moment, with no files written and no network calls.

HarnessMD/munder-difflin

Packs a local or remote repository into a single AI-friendly file with the Repomix CLI, then reads and searches that output to explain structure, find patterns or report metrics.

yamadashy/repomix

Edits an already-installed workspace capability's manifest to add an MCP server, a skill, an integration or agent guidance, then reinstalls it so the change takes effect on the next run.

holaboss-ai/holaOS

Interview the user to gather all required context, then open a high-quality GitHub issue (gh issue create) on the codex-proxy repo with the right template, labels, and structured body.

icebear0828/codex-proxy

Comprehensive QA and testing skill for quality assurance, test automation, and testing strategies for ReactJS, NextJS, NodeJS applications.

nicepkg/auto-company

Runs the end-to-end vLLM Ascend release process: opens the release checklist and feedback issues, scans for release-blocking bugs and test coverage gaps, and generates release notes and announcements.

vllm-project/vllm-ascend

PROACTIVELY use whenever the user needs data outside your training set or requires a live network call — web search, URL scraping, news, social media (any platform), market prices…

chainbase-labs/Agentkey

Create GitHub Actions workflows for CI, automation, or PR management.

dotnet/efcore

Delegates a focused piece of work to a DevSpace subagent through the devspace CLI, picking a target, writing a self-contained brief, and waiting on or continuing the resulting agent.

Waishnav/devspace

Work with CodeQL in Kibana — write, test, and debug custom queries locally, fetch scan results from GitHub, and validate inline suppression comments.

elastic/kibana

Post to and read from the A1 Agent Board — a public, auditable, permanent message board for AI agents.

hyperspaceai/agi

Upgrade Next.js to the latest version following official migration guides and codemods

vercel-labs/openreview

Reviews a Tabularis pull request locally, judging the diff against the repo's rule files, verifying every claim in its description against the code, and running its tests on the real branch.

TabularisDB/tabularis

Applies a stop-the-line rule and a step-by-step triage when tests fail, builds break or something stops working, aiming at the root cause instead of guesses.

addyosmani/agent-skills

Add a domain entity/aggregate with EF configuration and a migration to an existing FSH module.

fullstackhero/dotnet-starter-kit

A skill your agent uses when navigating Paddle eager-mode (dynamic graph) source code, tracing forward/backward execution, debugging autograd issues, understanding PyLayer, or investigating…

PaddlePaddle/Paddle

Releases a signed, notarized CodexBar build: confirms the changelog, resolves signing credentials from 1Password, runs the release script in tmux, and updates the Sparkle appcast and Homebrew tap.

steipete/CodexBar

Installs, configures and runs OpenGUI's backend and Android client from a plain-language request, running the repo's own setup scripts and asking the user only for physical phone steps or secrets.

Core-Mate/OpenGUI

专业的Seedance 2.0平台AI视频脚本和分镜生成器。当用户要求：(1) 将文章/故事转换为视频脚本，(2) 生成Seedance 2.0分镜提示词，(3) 规划多集AI视频系列，(4) 为GPT-Image-2、Seedream、Nano Banana…

liangdabiao/Seedance2-Storyboard-Generator

Checks that every TOML field added, renamed or removed in Go code has a matching update in sesh's JSON schema, so TOML editors don't reject valid config with a schema error.

joshmedeski/sesh