Project comparison
Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.
HarnessRouter Community Edition: the self-hosted, Apache-2.0 edition of the unified interface for agent harnesses. Run Codex, Claude Code, Hermes, and more through one API, with sessions, streaming, files, cancellation, and failure handling. Implements the Unified Harness Protocol (UHP), an open standard. Your keys, your infrastructure.
Best matched with other agent tools.
Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key.
Best matched with other agent tools.
crawl4ai has the larger GitHub footprint with 84.7K stars.
Harnessrouter is currently growing faster at 0 stars this week.
crawl4ai has the stronger automated maintenance signal at 66/100. This is not a security or fit verdict.
Use these signals to narrow your choice, then confirm setup, license, and fit upstream.
| Signal | Harnessrouter | crawl4ai |
|---|---|---|
| Evidence status | Basic listing· 2026-10-04 09:18 UTC | Verified snapshot· 2026-10-04 09:19 UTC |
| GitHub stars | 555 | 84.7K |
| Weekly growth | 0 | 0 |
| Health score | Healthy64/100 | Healthy66/100 |
| Contributors | 8 | 95 |
| Commits per week | 15.5 | 10.6 |
| Open issues | 2 | 226 |
| Language | Python | Python |
| License | Apache-2.0 | Apache-2.0 |
| Last commit | 2026-08-24 01:34 UTC | 2026-09-25 06:37 UTC |
| Last release | v0.9.1 | v0.9.4 |
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