Index / OpenFang · updated Aug 17, 2026
OpenFang
RightNow-AI/openfang · healthy · rank 11 of 43 by stars
OpenFang is a Rust-built Agent OS shipping as a single 32MB binary with autonomous 'Hands' that run scheduled tasks without prompting. It's pre-1.0 but battle-tested with 2,696+ passing tests and active security audits, aiming to be an autonomous agent platform rather than a chatbot.
Facts
Repository
Runtime
Posture
Community
Security breakdown
Composite 85 / 100 · how these are scored
higher is safer
higher is safer
higher is safer
higher is safer
higher is riskier
Model access
Read from the repository, not written by a model · 41 files examined
10 providers · runs locally · gateway support
Pinned models
claude-sonnet-4-20250514 released 2025-05-14 — 15 months old (dated in the model id)
Pin last edited 3 months ago
Evidence
Decision
Why choose OpenFang over OpenClaw?
Why choose this
- single 32mb rust binary with no runtime deps
- autonomous scheduled agents (hands) vs reactive assistant
- high test coverage and clippy clean
Tradeoffs
- openclaw has larger community and plugin ecosystem (clawhub)
- openclaw supports more platforms/channels natively
- openfang pre-1.0 breaking changes risk
Best fit
- autonomous 24/7 agent workflows
- self-hosted agent infrastructure
- rust enthusiasts wanting single-binary deploy
Avoid if
- need stable v1.0 api
- want chat-based assistant like openclaw
- require extensive plugin marketplace
Evidence from README and commits shows active Rust agent OS, but web search returned only OpenClaw results, so community sentiment for OpenFang is uncertain. License discrepancy (Apache-2.0 vs README MIT badge) adds minor uncertainty.
AI layer reviewed Aug 2, 2026 · how this is written
Star activity
18,114 stars today
Overview
OpenFang is an open-source Agent Operating System written from scratch in Rust, compiling to a single ~32MB binary that runs autonomous agents called 'Hands' on schedules without user prompting. Its architecture spans 14 crates and 137K LOC, with 2,696+ passing tests and zero clippy warnings, emphasizing reliability and a small footprint for self-hosted deployments.
Recent commit activity shows a focus on security hardening (audit fixes, codex hardening, toctou staging, endpoint audits) and continuous releases, with v0.6.9 published in May 2026. Unlike OpenClaw's personal assistant model that reacts to user channels, OpenFang positions itself as a background agent OS that builds knowledge graphs, monitors targets, and reports to a local dashboard at port 4200.
While pre-1.0 and subject to breaking changes, OpenFang's Rust foundation and single-binary distribution offer a lightweight alternative for users wanting always-on autonomous workflows rather than conversational interactions. Its privacy posture is mixed due to likely cloud LLM dependencies, but local-first execution and active audits mitigate some risks.