How agent skills work
The mechanics underneath the format: how an agent decides a skill is relevant, what progressive disclosure buys you, and where the security boundaries sit. Useful when something isn't behaving the way you expected.
Claude Code's GitLab Support: What Changed
In two releases on 13 and 14 August 2026, Claude Code added GitLab merge request support to --worktree and agent view, secret redaction for GitLab tokens, and GitLab plugin marketplaces.
August 17, 2026
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claude codegitlabworktreespluginsanthropic
GitHub Copilot Pricing: Which Tier Do You Actually Need?
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.
August 17, 2026
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github copilotpricingagent skillsagent modethird-party agents
Codex CLI Can Now Import Your Cursor Skills
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.
August 15, 2026
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codex clicursoragent skillsskill.mdportability
How Claude Code Sessions Message Each Other
Claude Code sessions can now message each other with ListAgents and SendMessage. How discovery, delivery, and inbound controls work, and how it differs from subagents.
August 14, 2026
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claude codecross-session messagingsubagentsremote controlanthropic
Claude Code's Auto Mode Is Now the Default: What Changed
From 14 August 2026, auto mode replaces manual permission prompts by default for new Claude Code sessions on Pro, Max and Team. Here's what the classifier actually allows and blocks.
August 13, 2026
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Agent Plugins Explained: The New Skills + MCP Standard
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.
August 12, 2026
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agent pluginsskill.mdmcpagent skillsopen standard
Agent Skills in 2026: The State of the Ecosystem
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.
August 10, 2026
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agent skillsecosystemclaude coworkskills cliai agents
Claude Opus 5 and Agent Skills: What Changed
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.
July 27, 2026
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claude opus 5agent skillsclaude codemulti-agentclaude managed agents
GPT-5.6, Codex and Agent Skills: Where OpenAI Stands
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.
July 1, 2026
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gpt-5.6codex cliopenaiagent skillscontext window
Agent Skills Security: What to Check Before You Install
What to check before installing an agent skill: bundled scripts, permissions, prompt injection risk, and a concrete pre-install checklist.
April 14, 2026
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Explainer
How AI Agents Discover and Activate Skills
Discovery, activation, execution: the three-phase pipeline behind every agent skill, and why the description field is the entire discovery surface.
February 24, 2026
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agent skillsprogressive disclosureskill activationskill.mdexplainer
The SKILL.md Format Explained
A field-by-field breakdown of the SKILL.md format: frontmatter, body structure, and the scripts, references and assets folders a skill can bundle.
January 27, 2026
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skill.mdagent skillsyaml frontmatterfile formatclaude code
What Are Agent Skills? The Complete Guide
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.
January 14, 2026
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agent skillsskill.mdclaude codeai agentsprogressive disclosure