Gmail Access Read and search Gmail programmatically via Claude Code. Self-Evolving Skill : This skill improves through use. If instructions are wrong, parameters drifted, or a workaround was needed — fix this file immediately, don't defer. Only update for real, reproducible issues. MANDATORY PREFLIGHT (Execute Before Any Gmail Operation) CRITICAL : You MUST complete this preflight checklist before running any Gmail commands. Do NOT skip steps. Step 1: Check CLI Binary Exists If BINARY NOT FOUND : Build it first: Step 2: Check GMAIL OP UUID Environment Variable If NOT SET : You MUST run the Se…