OSSOpenViking — ByteDance Context Database for AI AgentsGitHub·high signalXBlueskyLinkedInCopy linkFilesystem-paradigm context database replacing fragmented vector storage. Three-tier hierarchical loading. VikingBot agent framework. New product category: context databases.SourceSource pageGitHub↳ Follow the threadPolicy dependency / Threat patternWeaviate v1.39.2 makes its MCP server stateless and refuses GET with a 405GitHubStack layer / ContrastGradient open-sources a full reinforcement-learning loop for training tool-using research agents with GRPOGitHubStack layer / ContrastCopilotKit shipped three tags in six days including a same-day Python SDK release, at 37,068 starsGitHubPolicy dependency / Stack layerHalofy ships an open governance layer for agents with identity, policy, provenance, audit and signed erasureGitHubStack layer / Update threadUnsloth v0.1.803-beta adds experimental auto compaction that keeps evicted turns searchable past the context limitGitHubStack layer / Follow-up threadmarin, an open framework for foundation-model research, is running visible TPU training infrastructure in public at 443 stars a weekGitHub TrendingPolicy dependency / Update threadAgno 3.0.1 caches tool schemas across runs and loads session history incrementally, so response time stops scaling with conversation lengthGitHub (agno-agi/agno)Stack layer / Update threadMonkeyCode is pushed daily but has not tagged a release since July 28, with 286 open issues on 4,559 starsGitHub