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Kerux

Kerux (Greek: κῆρυξ — herald, messenger of the gods) is a fast, self-contained AI agent runtime written in Rust.

It runs a full ReAct agent loop with tool execution, streaming responses, persistent memory, and multi-platform messaging gateways (Telegram, WhatsApp) — all in a single static binary with zero runtime dependencies.

Why Kerux?

  • Single binary — no Python, no Node, no runtime. cargo build and run.
  • Fast — Rust core, ~42K LOC, sub-second startup.
  • Self-contained — sessions, memory, todos, cron jobs all persist to disk as JSON.
  • Multi-platform — Telegram long-polling, WhatsApp (Baileys bridge), and Discord/Slack REST adapters built in.
  • Production features — tool approval gates, context compaction, fallback provider chains, voice STT, cron scheduling, subagent delegation.

Crate Layout

CrateDescription
kerux-coreAgent loop, LLM clients, tools, gateway adapters, persistence
kerux-cliCLI/TUI frontend, serve gateway mode, autonomous coding mode

Project Overview

Kerux is a high-performance agentic orchestration framework and terminal harness written from the ground up in Rust.