Top 20+ Must‑Use Agent Skills for Developers

self-improving-agent

Basic self‑evolution ability that records the full execution flow, performs error attribution analysis, and generates reusable strategies to solve repetitive AI mistakes and create a feedback loop for experience accumulation.

Automatic repair after CLI/API command failures

Repeated errors in complex multi‑turn tasks

Experience consolidation after frequent user corrections

Stability assurance for 24/7 long‑running automation systems

npx skills add https://github.com/charon-fan/agent-playbook --skill self-improving-agent

Capability Evolver

Advanced self‑evolution skill that actively detects an agent’s capability boundaries and shortcomings, automatically decomposes failure modes, and generates optimization strategies, achieving meta‑learning‑level autonomous growth.

Agent cannot cover new task domains

Continuous failures in complex tasks

Enterprise‑level agent capability upgrades

Zero‑human‑intervention capability completion

npx skills add https://github.com/autogame-17/capability-evolver --skill capability-evolver

Tavily Search

High‑precision intelligent search that isolates context contamination, filters high‑quality data sources, returns structured results, and controls token consumption, replacing traditional blind search.

Technical solution research and selection

Competitive‑product data analysis

Automated report generation

Academic paper and material retrieval

npx skills add https://github.com/tavily-ai/skills --skill tavily-search

agent-browser

Fundamental browser automation capability supporting page clicks, form filling, route navigation, and DOM extraction, giving AI core ability to operate the internet.

Automated data crawling and collection

Automatic account registration and workflow execution

Office‑process automation

Bulk form filling and submission

npx skills add https://github.com/vercel-labs/agent-browser --skill agent-browser

playwright-generate-test

Production‑grade browser automation that is more stable than ordinary tools, supporting full‑scenario control, exception handling, and enterprise‑level deployment.

High‑stability web automation tasks

Enterprise production‑environment browser operations

Complex web interactions and exception handling

Large‑scale batch browser actions

npx skills add https://github.com/github/awesome-copilot --skill playwright-generate-test

Composio

Full‑ecosystem tool integration: a single skill can connect to over 860 mainstream tools, bridging the entire R&D, office, and collaboration toolchain.

Multi‑tool collaborative automation workflows

End‑to‑end R&D/office process linking

Cross‑platform batch tool operations

No‑code tool‑integration development

npx skills add https://github.com/composiohq/skills --skill composio

gh-cli

Developer‑focused Git integration that supports issue management, PR review, code commits, and branch handling, deeply embedding AI into the full development lifecycle.

Automated code compliance checks

Security vulnerability and risk scanning

Teamwide coding‑standard enforcement

Architecture‑level optimization suggestions

npx skills add https://github.com/github/awesome-copilot --skill gh-cli

frontend-design

Front‑end UI generation that produces Tailwind‑compliant, Vercel‑ready production‑grade components and page code with a single click.

Rapid prototype generation for front‑end pages

Standardised Tailwind UI development

Responsive component creation

Low‑cost front‑end implementation

npx skills add https://github.com/anthropics/skills --skill frontend-design

frontend-react-best-practices

Front‑end optimisation with 33 built‑in React performance and component design rules covering bundle optimisation, re‑render control, hooks usage, and component composition, automatically enforcing AI‑generated code quality.

React/Next.js performance tuning

Front‑end code linting and refactoring

Production‑grade code‑quality assurance

Component architecture design and best‑practice enforcement

AI‑generated front‑end code quality constraints and optimisation

npx skills add https://github.com/sergiodxa/agent-skills --skill frontend-react-best-practices

multi-agent-orchestration

Multi‑agent collaborative orchestration supporting task decomposition, role assignment, inter‑agent communication, process scheduling, and result aggregation, with built‑in sequential, parallel, hierarchical delegation, and consensus decision modes for complex task execution.

Multi‑agent coordinated tasks such as R&D, analysis, writing

Complex business‑process automation orchestration

Cross‑domain expert systems (finance, law, engineering, etc.)

Large‑scale task decomposition and parallel processing

High‑complexity decision‑making and collaborative reasoning

npx skills add https://github.com/qodex-ai/ai-agent-skills --skill multi-agent-orchestration

elite-longterm-memory

Long‑term memory built on a multi‑layer architecture (hot store, vector retrieval, knowledge graph, archival, cloud backup) that persists context, enables semantic search, and prevents agents from forgetting or repeating mistakes, supporting cross‑session continual learning.

Long‑duration tasks and multi‑turn dialogue context retention

Historical decision and experience accumulation for agents

Context sharing in multi‑agent collaborations

Enterprise knowledge‑base and project memory management

Preventing repeated errors and closing feedback loops

npx skills add https://github.com/nextfrontierbuilds/elite-longterm-memory --skill elite-longterm-memory

agentmail

Agent email capability built on an API‑first mail platform that gives AI an independent mailbox identity, supporting send/receive, thread management, attachment handling, draft approval, real‑time notifications, and multi‑tenant isolation for enterprise‑grade automation and security.

Automated email sending, receiving, and conversation handling

Email‑driven business workflows (customer service, outbound calls, notifications)

Multi‑turn email thread tracking and context management

Human‑in‑the‑loop approval flows (Draft → Review → Send)

Multi‑tenant SaaS email systems with agent identity management

npx skills add https://github.com/agentmail-to/agentmail-skills --skill agentmail

obsidian-cli

Obsidian CLI that interacts with an Obsidian vault, enabling note read/write, search, task and property management, and providing plugin/theme development debugging (reload, JS execution, DOM inspection, screenshots), thus automating knowledge‑base management.

Automated creation, editing, and bulk management of Obsidian notes

Knowledge‑base search and structured content organization

Log and task (Todo) automation

Obsidian plugin and theme development/debugging

CLI‑driven knowledge‑base workflow automation

npx skills add https://github.com/kepano/obsidian-skills --skill obsidian-cli

Superpowers (brainstorming)

Structured brainstorming and design skill that forces a design‑first process, guiding users through context analysis, step‑by‑step questioning, multi‑option comparison, design review, and documentation, ensuring high‑quality translation from idea to executable plan.

Requirement clarification and solution formulation before new feature/product design

Structured decomposition of vague or complex projects

Technical solution selection and multi‑option decision making

Avoiding rework caused by “code‑first” approaches

Generating complete design documents and implementation plans prior to coding

npx skills add https://github.com/obra/superpowers --skill brainstorming

Skill Creator

Skill generation and optimisation capability that supports end‑to‑end creation, testing, and iteration of Agent Skills (requirement definition → draft → test cases → evaluation → optimisation), with A/B experiments and metrics (success rate, latency, token usage) to continuously improve performance and trigger accuracy.

Creating custom Agent Skills from scratch

Optimising and refactoring existing Skills

Evaluating Skill effectiveness with benchmark tests (A/B)

Improving Skill trigger precision through description refinement

Building reusable, distributable Skill modules

npx skills add https://github.com/anthropics/skills --skill skill-creator

web-design-guidelines

Web UI design review based on Vercel Web Interface Guidelines that automatically audits code for design compliance, accessibility (a11y), and UX best practices, pinpointing issues via file:line references and always pulling the latest standards.

Design‑compliance review of front‑end pages/components

a11y issue detection and remediation

Automated UX/design quality checks during PR reviews

Post‑refactor design‑consistency verification

Quality constraints for AI‑generated UI code

npx skills add https://github.com/vercel-labs/agent-skills --skill web-design-guidelines

api-documentation

API documentation generation and standardisation that creates clear, structured interface docs from templates, covering definitions, parameters, request/response examples, error handling, and emphasising consistency and readability for developers.

Automated generation and maintenance of back‑end API docs

Re‑formatting existing docs into a unified style

Providing standard interface specifications for front‑back collaboration

Writing developer documentation

Improving API readability and external SDK integration

npx skills add https://github.com/supercent-io/skills-template --skill api-documentation

webapp-testing

Web‑app testing automation built with Python + Playwright that performs end‑to‑end tests for local web applications, managing service lifecycles, DOM checks, screenshots, log capture, and UI behaviour verification via a reconnaissance‑then‑action workflow.

Automated testing of local front‑end or full‑stack web apps

UI functionality verification and interaction testing

Page anomaly investigation with screenshots and console logs

Stable element location and testing for SPA pages

Integrated front‑back service lifecycle E2E testing

npx skills add https://github.com/anthropics/skills --skill webapp-testing

supabase-postgres-best-practices

PostgreSQL performance optimisation and engineering guidelines covering eight categories (query performance, connection management, security/RLS, schema design, concurrency control, data access patterns, monitoring, advanced features) with SQL examples, EXPLAIN analysis, and metric comparisons to detect inefficient queries, missing indexes, connection bottlenecks, and provide actionable fixes.

SQL query optimisation and slow‑query investigation

Database schema design and index optimisation

Supabase/Postgres performance tuning and scaling

Row‑Level Security configuration and audit

High‑concurrency connection‑pool and lock optimisation

Production‑environment performance diagnostics

npx skills add https://github.com/supabase/agent-skills --skill supabase-postgres-best-practices

remotion-best-practices

Remotion video‑development best‑practice skill containing over 30 video generation rules covering animation, audio, subtitles, transitions, 3D, and data visualisation, providing pipelines for video construction, timeline control, media handling, and dynamic parameterisation to ensure React‑based video code renders correctly at production quality.

Generating marketing or product demo videos with React (Remotion)

Synchronized animation, transition, subtitle, and audio processing

Parameterised dynamic video content creation

Quality optimisation for AI‑generated video code

Structured development and standardisation of complex video projects

npx skills add https://github.com/remotion-dev/skills --skill remotion-best-practices

sql-optimization

Cross‑database SQL performance optimisation offering generic solutions for MySQL, PostgreSQL, SQL Server, Oracle, etc., covering execution‑plan analysis, index tuning, query rewriting (JOIN/sub‑query), pagination, batch processing, automatically locating bottlenecks and delivering concrete optimisation strategies.

Slow‑query analysis and bottleneck localisation

SQL query optimisation (JOIN/sub‑query/index)

Database response‑time and throughput improvement

High‑concurrency database performance tuning

Universal best‑practice SQL optimisation across platforms

npx skills add https://github.com/github/awesome-copilot --skill sql-optimization

git-commit

Git commit automation based on the Conventional Commits specification that analyses code diffs to generate standardised commit messages (type/scope/description), supports intelligent staging and commit execution, ensuring clear, structured, and traceable commit histories.

Automatic generation of conventionalised Git commit messages (feat, fix, docs, …)

Intelligent grouping of multi‑file changes into logical commits

Team‑wide enforcement of commit‑message standards

Improved commit readability and traceability for CI/CD pipelines

AI coding agents automatically committing code changes

npx skills add https://github.com/github/awesome-copilot --skill git-commit