Harness

Rust control plane for running fleets of parallel Claude Code and Codex agents with policy and review.

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Harness is a Rust-native control plane for running fleets of AI coding agents — Claude Code, Codex, and the Anthropic API — in parallel, adding structured lifecycle management, policy enforcement, cross-agent review, and observability on top of the agents rather than replacing them. It's built for engineering teams scaling from one agent in one terminal to many agents working across issues, branches, and repositories at once.

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Behind the summary, Matchbox keeps a richer profile of Harness - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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