NullClaw

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Overview

Ultra-light OpenClaw-style assistant runtime in Zig: 678KB static binary, ~1MB RAM, <2ms boot, with tools, memory, channels, and providers.

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NullClaw is an ultra-lightweight OpenClaw-style personal assistant infrastructure written in Zig and shipped as a single static binary. It targets cheap hardware and small VPS setups by minimizing overhead (around a 678 KB binary, ~1 MB peak RSS) and very fast startup (<2 ms). Despite its size, NullClaw integrates multiple model providers, communication channels, tool execution, and hybrid memory, aiming to deliver a full assistant runtime that can be deployed nearly anywhere with minimal dependencies.

Autonomy level

70%

Reasoning: NullClaw is marketed as a 'fully autonomous AI assistant infrastructure' with capabilities enabling autonomous operation across multiple dimensions. It supports daemon mode for continuous autonomous operation, implements 18+ built-in tools for autonomous task execution including file manipulation, shell commands, memory operations, and browser inte...

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Some of the use cases of NullClaw:

Running an always-on personal assistant on low-resource hardware or small VPS instances.
Deploying an OpenClaw-style assistant runtime as a single static binary with minimal dependencies.
Connecting an assistant to multiple providers and channels while keeping memory and startup overhead low.
Building portable, low-latency assistant deployments for edge devices and lightweight servers.

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Pricing model:

free

Code access:

open-source

Popularity level: 49%

Make it work for you

Describe the job. Get an AI worker you can actually message.

We create the setup, keep it running after your laptop closes, and save its memory. Test in the browser, then add Telegram, WhatsApp, or Slack.

Runs without your laptopBrowser + messaging appsBackups and clonesMemory survives restarts

Describe my agent See the launcher

Plans start at $29/month. Cancel anytime.

Hosted agent

OpenClaw or Hermes

saved state

Browser

Slack

“I checked the inbox, handled the routine messages, and sent you the one question that needs a decision.”

Create an AI worker that keeps running after this tab closes.

Open Agent Factory

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