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Kerux

Kerux is an open-source Rust runtime that runs LLM-driven agents with incremental tool execution, a streaming ReAct loop, a Ratatui terminal interface and gateways for Telegram, WhatsApp, Discord and Slack.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Kerux — OpenViST project profile in Agent Frameworks.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Kerux when you need a self-hosted agent runtime that combines terminal interaction, tool execution and optional coding or messaging workflows rather than a text-only model interface.

Who it is for

  • Developers building self-hosted LLM agents with tool execution.
  • Teams exploring autonomous coding workflows with repository context and validation.
  • Builders composing external tools through MCP.
  • Operators connecting agent interactions to supported messaging channels or webhooks.

Documented uses

  • Run interactive or one-shot LLM agent sessions.
  • Execute tools incrementally as streamed model output arrives.
  • Work through coding tasks from a TODO.md file and apply configured validation.
  • Connect agent conversations to Telegram, WhatsApp, Discord and Slack.
  • Persist sessions, memory, todos and cron jobs across restarts.
Before you choose

Requirements & limits

Kerux is public, open source and licensed under MIT. The repository documents installation through Cargo or prebuilt GitHub Releases binaries. Provider credentials or the documented Nous OAuth login path are needed for model access.

  • The runtime is implemented in Rust and supports CLI, desktop-terminal and self-hosted usage.
  • Its streaming-first loop processes tool calls incrementally from partial model output.
  • Autonomous coding mode depends on a TODO.md workflow and configured local validators.
  • Gateway use involves external messaging channels, webhooks and their associated setup.
  • MCP support is included for composing external tools.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Configure Kerux and start a chat

Set up a provider, key, and model through the interactive wizard, then open the terminal chat interface.

Before you start

  • Kerux is available as the kerux command.
  • A provider and its credentials, unless using the documented Nous OAuth login option.

Steps

  1. Run kerux wizard to configure the provider, key, and model.

  2. Alternatively, set OPENAI_API_KEY or use kerux auth login nous for OAuth.

  3. Run kerux chat to open the prompt-first terminal interface.

Expected outcome

Kerux opens its chat interface with provider configuration in place.

Guide limitations

  • The source does not specify installation steps or provider-specific configuration details.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
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Sources checked
4 October 2026
Original website title
eikarna/kerux · Official homepage title · retained in its source language
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