Fsl Apex Extensions is a production-ready Claude Code skill (quality score 70/100) in the business-ops sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/fsl-apex-extensions/ and loads when your prompt matches the skill's trigger.
When to invoke it: Use when writing Apex that calls Field Service Lightning scheduling APIs — AppointmentBookingService, ScheduleService, GradeSlotsService, or OAAS — to book, schedule, grade, or optimize service appointments programmatically. Trigger keywords: FSL Apex namespace, GetSlots, schedule service appointment via code, appointment booking API, FSL optimization API.
The Fsl Apex Extensions skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.
mkdir -p ~/.claude/skills/fsl-apex-extensions curl -L https://claudskills.com/skills/fsl-apex-extensions/SKILL.md \ -o ~/.claude/skills/fsl-apex-extensions/SKILL.md
Or just download SKILL.md directly and drop it into ~/.claude/skills/fsl-apex-extensions/. Claude Code auto-discovers it on next session.
Skills live at ~/.claude/skills/fsl-apex-extensions/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\fsl-apex-extensions\SKILL.md on Windows. See the full install guide for step-by-step instructions.
The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.
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