OSSAnthropic Knowledge Work Plugins Open Source 11 Enterprise PluginsGitHub·high signalXBlueskyLinkedInCopy linkOfficial open-source 11 enterprise Cowork plugins plus 13 MCP connectors. Fork and customize for your domain. 8K stars.SourceSource pageGitHub↳ Follow the threadStack layer / Threat patternCROSS-CATEGORY: The Guardrail Layer Around Coding Agents Shipped at Four Different Points in the Lifecycle in 48 HoursHacker News Show HN and Product Hunt (2026-08-24 and 2026-08-25)Policy dependency / Stack layerCherry Studio v2.0.9 unifies tool approval into one declarative policy and lets the provider catalog hot-update without an app releaseGitHubStack layer / ContrastGradient open-sources a full reinforcement-learning loop for training tool-using research agents with GRPOGitHubStack layer / ContrastMicrosoft's Agent Lightning v1.0.1 ships an agent skill whose job is optimizing other agents, installed through gh skillGitHubStack layer / ContrastThe official Claude community plugin marketplace now carries 2,282 plugins, every one of them pinned to a commit SHAGitHubStack layer / ContrastCline v4.1.16 fixes hooks resolving from global state, and starts redacting credentials embedded in git remote URLs before they reach the modelGitHub (cline/cline)Policy dependency / Stack layerHalofy ships an open governance layer for agents with identity, policy, provenance, audit and signed erasureGitHubStack layer / Threat patternQWED-MCP, a Verification Gateway, Passed Attacker Math Straight to SymPy parse_expr (CVE-2026-55546, 9.8)GitHub Security Advisories