Created Skills
1. retell-agent-builder
~/.claude/skills/retell-agent-builder/SKILL.md A comprehensive guide for building, testing, deploying, and monitoring AI voice agents on Retell AI. This skill covers:
- Agent architecture selection (Single/Multi Prompt, Conversation Flow)
- LLM integration (GPT-4o, Claude, etc.)
- Function calling configuration
- Webhook setup with security
- Latency optimization (<800ms target)
- Complete Python/TypeScript examples
- Production deployment patterns
- Common use case templates
2. retell-prompt-engineer
~/.claude/skills/retell-prompt-engineer/SKILL.md Expert guidance on engineering effective prompts specifically for voice conversations. This skill includes:
- Sectional prompt structure best practices
- Voice-specific formatting (numbers, dates, confirmations)
- Function calling instruction patterns
- Edge case and objection handling
- Latency optimization techniques
- Complete example prompts for 6+ use cases
- Testing and iteration frameworks
Key Features
Both skills are based on current 2026 Retell AI documentation and include:
✅ Voice-Specific Optimizations: Natural speech patterns, interruption handling, audio formatting✅ Sub-800ms Latency: Optimization techniques for real-time conversation✅ Complete Code Examples: Python and TypeScript SDK usage with security✅ Production Best Practices: Webhooks, monitoring, testing, deployment✅ Use Case Templates: Customer support, appointments, lead qualification, reservations✅ Security Guidelines: Webhook verification, IP allowlisting, data privacy
Documentation
I've also created RETELL_AI_SKILLS_README.md in your working directory with: - Detailed skill descriptions
- Quick start examples
- Common use cases
- Testing strategies
- Troubleshooting guide
- Official resource links
The skills will automatically activate when you mention relevant keywords like "Retell AI", "voice agent", "phone agent", "prompt engineering", or specific tasks like building or optimizing voice agents.
Sources: