HomePeopleCompaniesAI ModelsOpen SourceAgentsResearchApps
AllFrameworksCoding agentsProtocolsProducts
AgentsCoding agentsAnthropic 6 May 2026 aifirst-review

Claude Code 2.1.129 review: prompt cache TTL silently degraded, now fixed

The brief

2.1.129 fixes a silent prompt cache TTL downgrade from 1 hour to 5 minutes that inflated costs.

Key points

  1. 2.1.128 added parallel shell call resilience, subagent token savings, and reserved the MCP server name workspace.
Read the original GitHub

Sources