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Claude Code cache TTL is now a frontmatter field
Claude Code cache TTL is a per-agent frontmatter field. Pin 1h on the idle reviewer, 5m on the chatty explorer, then prove the split with /cost today.
Build AlongClaude CodeAI CodingCLIDeveloper ToolsProductivityCaching1 min read · Aug 28, 2026
Token-Compression Skills Do Not Survive Measurement
Token compression skills report savings the invoice never shows. Cache reads carry 87 percent of an agent bill, and cutting tokens can push the cost up.
Meta AnalysisAI CodingClaude CodePerformanceDeveloper ToolsCaching1 min read · Jul 28, 2026