Harnesses

Herdr

A runtime for coding agents — the layer they live on, rather than an agent itself.

As of 1 October 2026, Herdr ranks 3rd of 17 in Harnesses on the Agent Reality Index — scored 53.1 of 100, led by market demand.

#353.1Index / 100

Score breakdown

Market demand59
Developer adoption41
Real usage67
Momentum55
Production readiness67
Community46

Why this rank: the index weights market demand most heavily — how much Herdr is actually searched for and asked about inside AI tools.

Real-world demand

3.1kGoogle searches / mo
—AI / LLM searches / mo
3.1kProduct-site visits / mo
42kGitHub stars

Demand measured via Product-site traffic · confidence: medium

GitHub repository ↗Full Harnesses board →Methodology →
Common questions

Herdr — frequently asked questions

What is Herdr?

A runtime for coding agents — the layer they live on, rather than an agent itself. It is tracked in the Harnesses category of the Agent Reality Index.

What is Herdr's Agent Reality Index ranking?

As of 1 October 2026, Herdr ranks 3rd of 17 in Harnesses, with an overall Agent Reality Index score of 53.1 of 100.

How is Herdr scored?

The index blends six real-world signals — market demand (weighted most heavily), developer adoption, real usage, momentum, production-readiness, and community — into a 0–100 score, rather than relying on GitHub stars or vendor opinion.

Is Herdr open source?

Herdr is open source; its code is publicly available on GitHub.

How popular is Herdr?

Measured 1 October 2026, Herdr draws about 3.1k Google searches a month, roughly 42k GitHub stars. Demand confidence is rated medium.

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