feat: add HeyGen AI avatar video creation skill

.agent/configs/skill-sources.json

@@ -49,6 +49,17 @@
       "last_checked": "2026-01-21T05:12:00Z",
       "merge_strategy": "added",
       "notes": "Includes 60 product reference directories in .agent/services/hosting/cloudflare-platform/references/"
+    },
+    {
+      "name": "heygen",
+      "upstream_url": "https://github.com/heygen-com/skills",
+      "upstream_commit": "f11988dc81a6deed557f3d547b24f73627b59ebc",
+      "local_path": ".agent/tools/video/heygen-skill.md",
+      "format_detected": "skill-md-nested",
+      "imported_at": "2026-01-24T12:00:00Z",
+      "last_checked": "2026-01-24T12:00:00Z",
+      "merge_strategy": "added",
+      "notes": "Includes 18 rule files in .agent/tools/video/heygen-skill/rules/"
     }
   ]
 }

.agent/tools/video/heygen-skill.md

@@ -0,0 +1,46 @@
+---
+description: "Best practices for HeyGen - AI avatar video creation API"
+mode: subagent
+imported_from: https://github.com/heygen-com/skills
+---
+
+# HeyGen Skill
+
+Best practices for HeyGen - AI avatar video creation API.
+
+## When to use
+
+Use this skill whenever you are dealing with HeyGen API code to obtain domain-specific knowledge for creating AI avatar videos, managing avatars, handling video generation workflows, and integrating with HeyGen's services.
+
+## How to use
+
+Read individual rule files for detailed explanations and code examples:
+
+### Foundation
+- [heygen-skill/rules/authentication.md](heygen-skill/rules/authentication.md) - API key setup, X-Api-Key header, and authentication patterns
+- [heygen-skill/rules/quota.md](heygen-skill/rules/quota.md) - Credit system, usage limits, and checking remaining quota
+- [heygen-skill/rules/video-status.md](heygen-skill/rules/video-status.md) - Polling patterns, status types, and retrieving download URLs
+- [heygen-skill/rules/assets.md](heygen-skill/rules/assets.md) - Uploading images, videos, and audio for use in video generation
+
+### Core Video Creation
+- [heygen-skill/rules/avatars.md](heygen-skill/rules/avatars.md) - Listing avatars, avatar styles, and avatar_id selection
+- [heygen-skill/rules/voices.md](heygen-skill/rules/voices.md) - Listing voices, locales, speed/pitch configuration
+- [heygen-skill/rules/scripts.md](heygen-skill/rules/scripts.md) - Writing scripts, pauses/breaks, pacing, and structure templates
+- [heygen-skill/rules/video-generation.md](heygen-skill/rules/video-generation.md) - POST /v2/video/generate workflow and multi-scene videos
+- [heygen-skill/rules/video-agent.md](heygen-skill/rules/video-agent.md) - One-shot prompt video generation with Video Agent API
+- [heygen-skill/rules/dimensions.md](heygen-skill/rules/dimensions.md) - Resolution options (720p/1080p) and aspect ratios
+
+### Video Customization
+- [heygen-skill/rules/backgrounds.md](heygen-skill/rules/backgrounds.md) - Solid colors, images, and video backgrounds
+- [heygen-skill/rules/text-overlays.md](heygen-skill/rules/text-overlays.md) - Adding text with fonts and positioning
+- [heygen-skill/rules/captions.md](heygen-skill/rules/captions.md) - Auto-generated captions and subtitle options
+
+### Advanced Features
+- [heygen-skill/rules/templates.md](heygen-skill/rules/templates.md) - Template listing and variable replacement
+- [heygen-skill/rules/video-translation.md](heygen-skill/rules/video-translation.md) - Translating videos, quality/fast modes, and dubbing
+- [heygen-skill/rules/streaming-avatars.md](heygen-skill/rules/streaming-avatars.md) - Real-time interactive avatar sessions
+- [heygen-skill/rules/photo-avatars.md](heygen-skill/rules/photo-avatars.md) - Creating avatars from photos (talking photos)
+- [heygen-skill/rules/webhooks.md](heygen-skill/rules/webhooks.md) - Registering webhook endpoints and event types
+
+### Integration
+- [heygen-skill/rules/remotion-integration.md](heygen-skill/rules/remotion-integration.md) - Using HeyGen avatar videos in Remotion compositions