Best agent skills for developers, page 3

Use this skill any time a .pptx file is involved in any way — as input, output, or both.

rvdbreemen/OTGW-firmware

Drives a real browser from the command line with playwright-cli to open pages, interact, mock requests, save state and work with Playwright tests.

github/gh-aw

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

General Supabase skill for database, auth, Edge Functions, Realtime and storage work, plus client libraries, migrations, security audits, debugging and reading logs.

supabase/agent-skills

Picks the right Skyvern CLI command for a web task, from quick yes/no checks to reusable multi-page workflows, instead of falling back to plain page fetching.

Skyvern-AI/skyvern

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

bestofjs/bestofjs

Read-only review of Caveman Cloud data to explain where LLM spend goes: cost, score, workflows, traces, latency, errors, routing and verified savings.

JuliusBrussee/caveman

A skill your agent uses when a user says "summarise ecosystem results", "summarize this ty ecosystem report", "what changed in this ecosystem run?", or asks to summarise or summarize ty ecosystem…

astral-sh/ruff

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

Patterns and tested examples for building agents with Pydantic AI: tools, capabilities, structured output, dependency injection, hooks, YAML specs, streaming and testing.

docling-project/docling

Verifies the technical accuracy of JavaScript concept pages by checking code examples, MDN and ECMAScript claims and external links through a five-phase method.

leonardomso/33-js-concepts

Reference of Claude API examples and guides covering tool use, vision, RAG, classification, summarization, text-to-SQL, prompt caching and agent patterns.

2025Emma/vibe-coding-cn

How to land a formal cherry-pick of a merged PR for the flutter/flutter repo stable or beta channel.

flutter/flutter

Runs web-grounded searches through Perplexity's Sonar models over OpenRouter for current events, recent literature and cited facts beyond the model's training cutoff.

davila7/claude-code-templates

A skill your agent uses when executing implementation plans with independent tasks in the current session

Asvarox/allkaraoke

Gives text-only models sight by running the modlens CLI on an image path or URL and returning structured JSON evidence with transcribed text, layout and semantics.

liustack/modlens

Open, create, read, analyze, edit, or validate Excel/spreadsheet files (.xlsx, .xlsm, .csv, .tsv).

poco-ai/poco-claw

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

BibiGPT CLI for summarizing videos, audio, and podcasts directly in the terminal.

JimmyLv/BibiGPT-v1

Jest patterns for React Native style tests: TDD discipline, mock factory functions, module and GraphQL hook mocking, custom render helpers and anti-patterns to avoid.

ChrisWiles/claude-code-showcase

Audits source code, dependencies and config files for vulnerabilities and hardcoded secrets, using two bundled Python scanners and an OWASP Top 10 checklist.

eigent-ai/eigent

Implements Manus-style file-based planning for complex tasks.

jd-opensource/JoySafeter

Checks whether Android hidden-API implementations and system callbacks survive R8 minification, and diagnoses Release-only failures such as AbstractMethodError.

gkd-kit/gkd

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

Writes a Playwright end-to-end test from a prompt, runs it against a live Appsmith deployment and retries with fixes up to three times until it passes.

appsmithorg/appsmith

Self-evolution engine for agents: studies runtime history for failures and inefficiencies, writes improvements, and syncs with the EvoMap Hub through a local proxy mailbox.

EvoMap/evolver

Write or rewrite technical text with the rules of ASD-STE100 Simplified Technical English so it is clear, unambiguous, and free of AI slop.

moeru-ai/airi

Comprehensive guide for developing in the Astro monorepo. An agent skill from withastro/astro.

withastro/astro

Create Excalidraw diagram JSON files that make visual arguments.

coleam00/excalidraw-diagram-skill

Build and sharpen a project's domain model. An agent skill from fossasia/eventyay-interpretation.

fossasia/eventyay-interpretation

Refactor high-complexity React components in Langflow frontend.

langflow-ai/langflow

Plans and carries out moving non-host-specific code and its tests from the OpenHuman core into vendored tiny submodule libraries, then releases the submodule and re-pins the host.

tinyhumansai/openhuman

Explains the directory layout, plugin.json manifest and component organization of a Claude Code plugin, including auto-discovery and portable paths.

anthropics/claude-plugins-official

Route gh-aw workflow design/create/debug/upgrade requests to the right prompts.

dotnet/Open-XML-SDK

Gives an in-depth explanation of one file, function or module by reading the project's knowledge graph and checking that the graph is still fresh.

Egonex-AI/Understand-Anything

Merges external GitHub pull requests while keeping the original author credited, and fixes conflicts after the merge instead of rewriting the contribution.

HKUDS/OpenHarness

Shows a one-shot quick-reference card for the ponytail skills: intensity levels, the six commands, and how to turn it off, set a default mode and update.

DietrichGebert/ponytail

A skill your agent uses when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for…

farm-fe/farm

A skill your agent uses when a user says "minimize this ty ecosystem change", "reproduce this ecosystem result", "investigate a primer difference", "investigate a mypyprimer difference"…

astral-sh/ruff

Fetches current documentation for third-party APIs and SDKs with the chub CLI before the agent writes code against them, instead of relying on remembered API shapes.

andrewyng/context-hub

Finds, reads and reconstructs past coding-agent sessions across Codex, Claude, OpenCode, Senpi and many other local agent logs.

code-yeongyu/oh-my-openagent

Checks claude-mem cloud sync status and guides you through connecting a cmem.ai Pro account without the sync token ever passing through the chat.

thedotmack/claude-mem

A skill your agent uses when facing 2+ independent tasks that can be worked on without shared state or sequential dependencies

ultralisp/ultralisp