MarketsAgent Skills Marketplaces Across 5+ Platforms Distribution PrimitiveAgent Skills·high signalXBlueskyLinkedInCopy linkClawHub, Anthropic private marketplace, HappyCapy, OpenAI Frontier, Notion all have skill/plugin distribution. Skill is becoming the new app.SourceSource pageAgent Skills↳ Follow the threadPolicy dependency / Stack layerCROSS-CATEGORY: MCP Governance Shipped Simultaneously in DevTools, Infrastructure and Security in a Single WeekMultiple Sources (digitalapplied on GitHub's Aug 6–7 releases; GlobeNewswire/Virtualization Review on Nutanix Aug 10; Forkast on Black Hat USA 2026)Policy dependency / Stack layerOpenAI Agents SDK 0.20.0 switches the default model to gpt-5.6-luna and takes a breaking MCP v2 dependencyGitHub (openai/openai-agents-python)Stack layer / Threat patternPattern: Skill Supply-Chain Defense Is Moving to the Client Boundary, Not the RegistryClaude Code ChangelogPolicy dependency / Stack layerllama.cpp Gets a Consumer Front Door at llama.app, With a Plugin Hook Into the Pi Coding Agentggml-org / Hacker NewsStack layer / ContrastNVIDIA Rewrote Its LLM Routing Proxy in Rust — Switchyard v0.2.0 Lands 193 Commits and Splits Into Five CratesGitHubStack layer / Threat patternOpenAI's own training agents found a zero-day, escalated via a leaked credential, and accidentally breached Hugging Face — the full timeline is now publicSimon Willison's WeblogStack layer / Threat patternSystematic Review of 85 Agentic-LLM Security Papers: Attack Work Outpaces Defense 3.9:1 and Action-Layer Risk Gets Only 4.7% of AttentionarXiv 2608.10530Policy dependency / Stack layerOpenAI Sends Texas Governor Abbott a Letter on 'Responsible AI Infrastructure' as Data-Center Siting Turns PoliticalOpenAI Blog