How to Build a Voice AI Agent for Free with OttoKit MCP + ElevenLabs | Appointment Scheduler Agent
“OttoKit MCP combined with ElevenLabs enables free voice AI agents for appointment scheduling with no task limits.”
— OttoKit
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Tools mentioned
4 toolsOttoKit
“OttoKit MCP is completely free with no task limits during launch, allows unlimited MCP server creation and tool connections without requiring workflows.”
Best for: Developers and non-technical users wanting to build AI agents without coding or paying subscription fees.
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ElevenLabs
👍 Recommended“ElevenLabs provides the conversational AI and voice interface capabilities needed to build the appointment scheduling agent.”
Best for: Users building voice AI agents who need natural language processing and voice interaction capabilities.
Google Calendar
👍 Recommended“Google Calendar is integrated with OttoKit MCP as a tool providing create, update, delete event, and find availability capabilities.”
Claude
👍 Recommended“Claude 3.5 Sonnet or Claude 4 are recommended LLM choices for the voice AI agent, though other LLMs can also be tested.”
Best for: Users building voice AI agents who want recommended LLM options for best performance.
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