Unverified50% confidenceOpinionExact time

The earliest mature Harness engineering product was OpenCloud, which was already active at the end of 2025.

1

Sources

50%

Confidence

Medium-term (~90 days)

Relevance

9/22/2026

First Seen

Valid until: 12/21/2026

Sources

What Is Harness Engineering? The Origins and Real-World Applications of Agent Harnessing

Related Entities

OpenCloudproduct

Related Claims

UnverifiedOpenRouter was founded in 2023.69% similar UnverifiedOpenAI launched the Pro tier subscription plan in 2025.68% similar UnverifiedPrompt Caching was first commercially deployed by Anthropic in 2024, after which OpenAI and others followed with similar mechanisms.68% similar

Cite This Claim

Stable URI

https://kongchang.com/claim/941713

API

curl https://kongchang.com/api/v1/knowledge/claims/941713

MCP

get_claim(id=941713)