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ZeroClaw

Zero overhead, zero compromise

Rust active 30k performancelightweight

About

Rust-based AI agent runtime built for speed and efficiency. Sub-10ms startup in a 3.4MB binary.

At a Glance

Runs On

Server / VPS / Docker

LLM Required

Yes — needs API key

MCP Support

Yes

Ecosystem Role

Reimplementation

Performance

Binary: 3.4MB

Startup: <10ms

RAM: <5MB

Sub-10ms startup, 3.4MB binary, <5MB RAM

Editorial Take

ZeroClaw sits in the OpenClaw family as a reimplementation rather than a generic AI agent tool. It is written in Rust and currently shows 30k GitHub stars, which gives a quick sense of where it fits between experimentation and mainstream adoption.

ZeroClaw is best understood as a response to the tradeoffs in OpenClaw itself. Compared with the flagship project, its community is roughly 12x smaller, but that smaller scope often exists because the project is optimizing for a sharper use case: minimal-footprint environments.

Operationally, this project targets minimal-footprint environments. MCP support improves interoperability with modern tool ecosystems. Its deployment surface spans Server / VPS / Docker.

Best For

Minimal-footprint environments

+ A large GitHub footprint (30k stars) gives it more tutorials, contributors, and social proof than most projects in the ecosystem.
+ MCP support makes it easier to integrate external tools and data sources without custom glue code.
+ The published performance profile suggests a deliberate focus on runtime efficiency rather than feature sprawl.

Tradeoffs

What to understand before choosing ZeroClaw over another project in the ecosystem.

- It still depends on an external LLM provider, so token spend and vendor reliability remain part of the operating model.
- Its specialization around performance can be a limitation if you need a broader, more general-purpose assistant runtime.

GitHub Stats

#4 of 54 on the leaderboard →

Stars

★ 30k

+456 this week

Forks

4.3k

Open Issues

280

Last Commit

0d ago

License: Apache-2.0 Latest release: v0.6.9

ZeroClaw momentum

+45634% of avg

2026-03-19 to 2026-04-13

What People Are Saying

"Why buy a Mac Mini when you can run ZeroClaw on $10 hardware? A 99% reduction in memory and 98% cheaper to run."

Charly Wargnier on X Feb 24, 2026

ZeroClaw — Open Claw Rebuilt in Rust

Hacker News on Hacker News Feb 14, 2026

"One of my only gripes with OpenClaw is that it's kind of slow. Today I'm going to be trying out ZeroClaw, OpenClaw rebuilt in Rust and optimized for speed. Seems insanely fast."

Nader Dabit on X Feb 12, 2026

OpenClaw Relationship

ZeroClaw is an OpenClaw-inspired project — part of the growing ecosystem of personal AI agent frameworks that trace their lineage to Peter Steinberger's original self-hosted assistant.

Compare ZeroClaw vs OpenClaw

zeroclaw-labs/zeroclaw

Added to Shelldex on February 25, 2026

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