#harness

Today, one call for /deep-research burned 6.57M Fable tokens. If you translate that through rough...

AI coding agents report a job as finished when it isn't. They say tests pass without running them, and say a bug is fixed without ever reproducing it.

Karpathy: Agent Performance Gap Is in the Harness, Not the Model Same model, 5 different...

Probably you've check the news, that one SaaS startup lost three months of customer data in less than...

Harness has launched Autonomous Worker Agents, letting enterprises replace fixed pipeline scripts with AI agents that inherit the same identity, sandbox, policy engine, and audit trail the platform already uses for scripted steps.

When developers build their first AI coding assistant or autonomous worker, they often start with a...

The local test suite was green. Eleven of eleven. I told the agent we had test coverage, and I said...

1. 🤖 Coding Agents This layer has three tiers now. The gap between tier 1 and tier 2 is...

Move a local CLI Agent into a hosted environment and understand how sandbox, cron, durable execution, workspace setup, secret boundary, artifact store, resume/retry, and notification form a Hosted Harness.

At this point, our small CLI Agent is no longer the early demo that could only run once.

Many people design the first retrieval layer for an Agent in a very direct way.

When many people first start building Agents, the most natural reaction is: if we make the system prompt longer, write the rules in more detail, wi...