Phosondocs
SDK Documentation

Build with Phoson SDK

Official client libraries for the Phoson Core API. Create agents, manage conversations, and stream AI responses — in Python and TypeScript.

Open Source RuntimeMIT License

phoson-engine-minimal

Framework-free Python runtime for autonomous agents. Custom ReAct loop built directly on provider SDKs — multi-provider, typed events, branchable sessions, cost tracking.

Framework-freeMulti-providerTyped eventsBranchable sessionsMIT
Client SDKs

Python SDK

phoson-sdk

$uv add phoson-sdk
  • Python 3.11+
  • Async/await native
  • Full type hints
  • Streaming support

TypeScript SDK

phoson-ts

$npm install phoson-ts
  • Node.js 18+
  • Full type exports
  • Async iterators
  • Streaming support

What you can build

Streaming AI

Real-time token-by-token responses with typed event stream

Agent Management

Create, configure, and manage persistent AI agents

Tool Use

Attach MCP servers and observe tool execution events

Multi-Provider

Switch between Anthropic, OpenAI, and OpenRouter