What is HAIP?
The Human-Agent Interaction Protocol (HAIP) is an open standard designed to streamline real-time, multi-modal exchanges between user-facing web, mobile, and voice applications and AI agents. It complements the Model Context Protocol (MCP): HAIP focuses on the human-agent layer, acting as a universal translator between frontend interfaces and intelligent backends, while MCP governs tool execution.Features
- Re-establishing dropped connections & ensuring message order.
- Multimodal transactions audio and text.
- Allowing multiple users and LLMs to share a conversation (transaction).
- Letting the user know about MCP (Model Context Protocol) calls.
- Transaction history, transaction management, schema validation, custom tooling, logging, authentication and more.
Available Packages
@haip/sdk
TypeScript SDK for HAIP
@haip/server
Reference HAIP server
@haip/cli
Command-line interface
Get Started
Follow our quickstart guide to implement HAIP in your application.
HAIP CLI
Use the command-line interface for testing and monitoring HAIP servers.
Key Features
Multi-modal Interaction
Native support for text chat and audio streams with seamless switching.
Asynchronous Tools
Non-blocking agent workflows with real-time progress updates.
Robust Streaming
Low-latency chunk delivery with reconnection and de-duplication.
Transport Agnostic
Works over WebSockets, SSE, HTTP streaming, or any message bus.
Quick Implementation
WebSocket Connection
Establish bidirectional streaming communication with WebSockets.
Server-Sent Events
Use SSE for one-way streaming from server to client.
Authentication
Secure your connections with JWT Bearer tokens.
Flow Control
Manage back-pressure and prevent overwhelming your system.
Protocol Features
Event Sequencing
Tolerant of out-of-order or overlapping events with automatic replay.
Tool Integration
Dynamic advertisement of tools and schemas with seamless invocation.
Framework Agnostic
Works with React, Vue, Angular, native mobile or any framework.
MCP Compatibility
Seamless integration with Model Context Protocol for tool execution.
Ready to build?
View API Reference
Explore the complete HAIP API specification and event schemas.