emotionmachine.com valid
Emotion Machine
AI character infrastructure with persistent memory, behavioral state, and full-duplex voice. San Francisco.
- Authority
- 49 reach 5 · trust 10 · quality 19 · freshness 15
- Tier
- listed
- llms.txt
- https://www.emotionmachine.com/llms.txt
- Sections
- 5
- Links
- 7
- Size
- 2938 bytes
- Popularity rank
- #900384
- Registered
- 2006-12-19
- Country
- United States Hosting inference
- Hosting country
- United States Hosting inference
- Country evidence
- No published address evidence collected yet
- For agents
- Documentation: developer or product docs worth reading, nothing to call
- First seen
- 2026-10-19T10:45:18.145Z
- Last checked
- 2026-10-21T20:12:06.254Z
- Badge
Their llms.txt
The beginning of the file, from our validated copy saved 2026-10-21T20:12:00.381Z. Cached copy · Source on emotionmachine.com
# Emotion Machine
> AI character infrastructure with persistent memory, behavioral state, and full-duplex voice. San Francisco.
## Products
- [Personality Machine](https://www.emotionmachine.com/personality-machine): Developer platform for AI characters that maintain identity across conversations and build relationships through persistent memory, profiles, behaviors, and context engineering. REST API, visual builder, and conversation dashboard.
- [Dialog Machine](https://www.emotionmachine.com/dialog-machine): AI phone agent that places real calls, navigates conversations with humans, and returns structured data and transcripts. 1,000+ calls completed.
## Technical Essays
- [How Memory Works at Emotion Machine](https://www.emotionmachine.com/blog/how-memory-works): Deep walkthrough of the memory system — vector-based semantic search, LLM-managed scratchpad, importance scoring, and retrieval strategies.
- [How to Build Realistic AI Companions](https://www.emotionmachine.com/blog/realistic-ai-companions): Techniques for building AI that feels consistent and relational — conversation phases, dialogue patterns, memory, proactive engagement, active listening, and sense of time.
- [AI Companions Are the Next Interface](https://www.emotionmachine.com/blog/ai-companions-are-the-next-interface): Why conversational AI companions are becoming the primary interface for how people interact with technology.
- [Adding Open-Ended Conversations to Your Products](https://www.emotionmachine.com/blog/adding-open-ended-conversations): How to integrate open-ended conversational AI into existing products without rebuilding from scratch.
## API
- [API Reference](https://www.emotionmachine.com/API_V2_REFERENCE.md): Full REST API documentation — companions, relationships, messages (send, stream, connect, voice), memory, profiles, behaviors, sessions, knowledge, tools, inbox.
## Key Concepts
- **Companions**: AI characters with defined personality, voice, boundaries, and knowledge.
- **Relationships**: Persistent user-character pairs that accumulate memory, profile data, and behavioral state across conversations.
- **Memory**: Structured facts scored by importance and retrieved by relevance. Two modes: vector search and LLM-managed scratchpad.
- **Behaviors**: Event-driven functions that fire on keywords, schedules, idle time, or API calls. Give characters initiative and reactivity.
- **Context Engineering**: Eight-layer prompt assembly — system prompt, behavior injections, memory, knowledge, profile, session state, history, user message. Configurable per companion, relationship, or turn.
- **Voice**: Full-duplex speech-to-speech with natural interruptions, backchannels, and custom voice via voice prompt embedding.
## Contact
- Website: https://www.emotionmachine.com
- Email: hello@emotionmachine.ai
- Founded by Ege Ozgirin and Emre Sarbak. Backed by Gradient Ventures. Based in San Francisco.
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