Developer builds Rust-native AI agent runtime with unified streaming model

A developer has completed pi-rust, a Rust-based coding agent runtime designed to simplify AI agent construction. The project centers on an agent loop that reads messages, calls a language model, checks for tool calls, executes them, and repeats until completion. A key challenge addressed is normalizing streaming responses from multiple AI providers — including Anthropic and OpenAI — into a single consistent event model. The runtime processes streamed events such as text deltas, tool call deltas, and completion signals in a unified way regardless of the underlying provider. The developer has open-sourced the approach and is inviting feedback from others working on similar multi-provider agent systems.