Grok Build 1.0.12 released with MCP and subagent reliability fixes

mark_k · x · 2026-08-28

Grok released Build 1.0.12, focusing on improving agent reliability. Updates include: MCP servers now retry transient connection failures; subagents no longer block unrelated background work; more accurate context estimates with reasoning; correct token usage updates after rewinds/mode switches; immediate context bar updates for auto-compaction; and faster worktree creation.

Related event: Grok Build v1.0.12 Improves Agent Reliability, MCP Reconnects and Sub-Agent Handling(3 posts)→

Original post →

More from coding & agent

coding & agent channel →