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GitHub Copilot has four individual tiers as of August 2026, Free, Pro, Pro+ and Max. Here's exactly what each includes, and which one you need for agent skills and third-party coding agents.

OpenAI's Codex CLI 0.147.0 extended its /import command to pull in Cursor-managed skills, not just Claude Code's. Here's what actually moves, and what to check before you trust it.

How to install Agent Skills in the Zed code editor: the skills CLI, manual setup in .agents/skills, global versus project scope, worktree trust, and troubleshooting.

A new open standard from OpenAI, Amazon, Microsoft, Cursor and Vercel packages Agent Skills and MCP servers into one distributable plugin. Here's what it actually changes.

How to install Agent Skills in Google Gemini CLI: the native gemini skills command, manual setup in ~/.gemini/skills, the consent prompt, and troubleshooting.

The standard shipped in late 2025. 2026 is when it spread, Cowork, Record a Skill, a cross-agent installer, and tens of thousands of public skills. Here's where things actually stand, opinions included.

A category-by-category guide to the agent skills worth exploring for operations, finance and content teams, what to look for, and where to find them.

A curated selection of the strongest skills for authoring, structuring and testing your own agent skills, plus how Record a Skill fits alongside hand-writing SKILL.md.

A curated selection of the strongest productivity skills for AI agents, task boards, invoice chasing, CRM upkeep and browser automation, picked for non-technical teams too.

A curated selection of the strongest marketing skills for AI agents (brand voice, planning, content, email and competitive research) picked for non-technical teams too.

A curated selection of the strongest research skills for AI agents, evidence mapping, literature review, trend scanning and document verification, with honest caveats.

A genuine comparison of Claude Cowork's Record a Skill against hand-written SKILL.md files, where each wins, concrete examples, and why the right answer is usually both.

Opus 5 shipped 24 July 2026 with real gains in agentic coding and multi-agent coordination. Here's what that actually means for how you write and structure skills.

How Agent Skills work in Claude Cowork, adding skill folders, the Team skill directory, Record a Skill, and how this GUI approach differs from Claude Code's filesystem model.

A full walkthrough of Record a Skill in Claude Cowork, where to find it, who has access, how the demonstration becomes a skill, sharing on Team, and privacy considerations.

Ten curated agent skills for copywriting in 2026, landing pages, brand voice, ads, cold email and UX copy, with honest caveats and install steps.

Ten curated agent skills for content writing in 2026, social posts, technical docs, UX strings and academic writing, with honest caveats and install steps.

Eight agent skills that push AI-generated design away from generic templates, Impeccable, Taste, Anthropic's Frontend Design and more, with honest caveats on each.

Ten curated agent skills for UI/UX work in 2026, design systems, wireframing, theming and anti-AI-slop critique, with honest caveats and install steps.

A curated selection of the strongest data analysis skills for AI agents, spreadsheet cleanup, Power BI modeling, SQL reconciliation and more, with honest caveats.

Ten agent skills worth installing for application security and code scanning in 2026 (vulnerability review, secret scanning, threat modeling and supply-chain checks) picked for quality and upkeep.

OpenAI's own models now read the same SKILL.md format Anthropic published. Here's the 2026 model timeline, what a 1M-token context window actually changes for skills, and how Codex CLI handles them.

Ten agent skills worth installing for DevOps and deployment work in 2026 (monorepo builds, dependency automation, dev environments and Azure infrastructure) picked for quality and upkeep.

Ten curated agent skills for documentation in 2026, codebase onboarding docs, ADRs, changelogs and coding standards, with honest caveats and install steps.

Nine agent skills worth installing for code review in 2026 (quality audits, duplication checks, PR triage and release review) picked for quality, popularity and upkeep.

Nine agent skills worth installing for debugging and testing in 2026 (trace inspection, runtime investigation, root-cause workflows and log analysis) picked for quality and upkeep.

Ten agent skills worth installing for frontend work in 2026 (forms, component testing, visual QA, animation and CSS guidance) picked for quality, popularity and upkeep.

How to install Agent Skills in Cline, the open-source autonomous coding agent for VS Code, via .cline/skills, CLI install, manual setup, and VS Code-specific troubleshooting.

How to install Agent Skills in OpenCode, SST's open-source terminal agent, via the .opencode/skills directory, the CLI command, manual setup, and troubleshooting.

How to ship Agent Skills to production Claude API agents through container uploads and the code execution tool, no CLI install command exists for this platform.

Both read the same SKILL.md standard, but activation, timing, and install paths differ. Here's how Claude Code and Codex CLI compare for running skills.

How to install Agent Skills in GitHub Copilot's agent mode using the .github/skills folder, the CLI command, manual setup, verification, scope, and fixes for common failures.

What to check before installing an agent skill: bundled scripts, permissions, prompt injection risk, and a concrete pre-install checklist.

How to install Agent Skills in Windsurf's Cascade agent: the skills CLI, manual setup in .windsurf/skills, personal vs project scope, and troubleshooting.

AGENTS.md loads on every request and should stay short. Skills load conditionally and can be as detailed as they need. Here's the practical split, worked out.

Subagents buy isolation and parallelism at a cost. Skills buy expertise cheaply in the current context. Here's how to tell which problem you actually have.

How to install Agent Skills in Google Antigravity: the skills CLI, manual setup in .agents/skills, the older .agent/skills path, scope, and troubleshooting.

MCP connects agents to live external systems over a protocol. Agent Skills are markdown instructions loaded from disk. Here's when to use each, and how they combine.

How to install Agent Skills in Cursor 2.4 and later: the skills CLI, manual setup in ~/.cursor/skills, personal vs project scope, and fixing skills that won't trigger.

Discovery, activation, execution: the three-phase pipeline behind every agent skill, and why the description field is the entire discovery surface.

How to install Agent Skills in OpenAI Codex CLI, invoke them directly with $skill-name, choose personal vs project scope, and fix skills that won't load.

A step-by-step guide to writing your own agent skill, from folder structure to the description field, with a full worked example.

How to install Agent Skills in the Claude desktop and web apps through Settings, without a terminal, upload steps, verification, scope limits, and troubleshooting.

A field-by-field breakdown of the SKILL.md format: frontmatter, body structure, and the scripts, references and assets folders a skill can bundle.

A complete walkthrough for installing Agent Skills in Claude Code: the skills CLI, manual installs, personal vs project scope, verification, and troubleshooting.

Agent Skills are portable folders of instructions that let AI agents like Claude Code and Cursor load expertise on demand. Here is how the format works, end to end.