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Harness by NextEleven
An AI work assistant that keeps your place.
A Rust work assistant for coding, research and documents, with a terminal and local browser UI. Choose your provider:model route, save briefs with acceptance checks, and resume sessions with tool results intact. Try v1.4.0-beta.2 native CLI downloads or build pinned source. Free MIT code; bring a local backend or your own provider account.
Harness is the personal work assistant I've been building around my own projects. It reads and edits repositories, runs tools and keeps resumable sessions, with a terminal interface and a local web UI.
You choose the exact provider:model route. Optional fallbacks follow the order you selected. Work briefs keep an outcome, acceptance criteria and verification commands beside the project. Preparation can save that brief without calling a model; actual implementation and verification happen in the agent run.
The source is public under MIT. The current developer prerelease is v1.4.0-beta.2, with native CLI downloads for macOS Apple Silicon/Intel, Linux ARM64/x86-64 and Windows x86-64. Download the matching binary and verify its checksum before running it:
The Linux downloads require glibc 2.39 or later. The Windows download needs the Microsoft Visual C++ v14 x64 runtime; the release page links to Microsoft's official download.
The pinned quickstart starts with a brief you can prepare without a model account, then walks through setup, route show and doctor:
A local backend or your own provider account is needed for model work, and that provider may charge for usage. This is a developer evaluation release; native automated checks do not establish fresh-machine interactive acceptance on every OS. Optional desktop/editor sources are separate from these CLI downloads.
The short silent overview includes actual CLI preparation and a recorded local UI example with a synthetic demo provider. It does not claim a model built the example API or that every optional integration has been validated.
Tools act with your account's authority. DeadBolt checks admission after review and before registered tool effects; it is not arbitrary-code isolation. Review proposed changes and check actual results. A completed turn is not proof that your acceptance criteria passed.
I'd value concrete feedback on setup, recovery and the short path from an ambiguous task to a working, verified result.
Harness by NextEleven was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #414 on the daily leaderboard. A Rust work assistant for coding, research and documents, with a terminal and local browser UI. Choose your provider:model route, save briefs with acceptance checks, and resume sessions with tool results intact. Try v1.4.0-beta.2 native CLI downloads or build pinned source. Free MIT code; bring a local backend or your own provider account.
On the analytics side, Harness by NextEleven competes within Developer Tools, Artificial Intelligence and GitHub — topics that collectively have 1M followers on Product Hunt. The dashboard above tracks how Harness by NextEleven performed against the three products that launched closest to it on the same day.
Who hunted Harness by NextEleven?
Harness by NextEleven was hunted by Sean McDonnell. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Harness by NextEleven including community comment highlights and product details, visit the product overview.
Sean McDonnell
Hi, I'm Sean, the builder behind NextEleven.
Harness is the personal work assistant I've been building around my own projects. It reads and edits repositories, runs tools and keeps resumable sessions, with a terminal interface and a local web UI.
You choose the exact provider:model route. Optional fallbacks follow the order you selected. Work briefs keep an outcome, acceptance criteria and verification commands beside the project. Preparation can save that brief without calling a model; actual implementation and verification happen in the agent run.
The source is public under MIT. The current developer prerelease is v1.4.0-beta.2, with native CLI downloads for macOS Apple Silicon/Intel, Linux ARM64/x86-64 and Windows x86-64. Download the matching binary and verify its checksum before running it:
https://github.com/seanebones-lang/harness/releases/tag/v1.4.0-beta.2
The Linux downloads require glibc 2.39 or later. The Windows download needs the Microsoft Visual C++ v14 x64 runtime; the release page links to Microsoft's official download.
The pinned quickstart starts with a brief you can prepare without a model account, then walks through setup, route show and doctor:
https://github.com/seanebones-lang/harness/blob/v1.4.0-beta.2/docs/QUICKSTART.md
A local backend or your own provider account is needed for model work, and that provider may charge for usage. This is a developer evaluation release; native automated checks do not establish fresh-machine interactive acceptance on every OS. Optional desktop/editor sources are separate from these CLI downloads.
The short silent overview includes actual CLI preparation and a recorded local UI example with a synthetic demo provider. It does not claim a model built the example API or that every optional integration has been validated.
Tools act with your account's authority. DeadBolt checks admission after review and before registered tool effects; it is not arbitrary-code isolation. Review proposed changes and check actual results. A completed turn is not proof that your acceptance criteria passed.
I'd value concrete feedback on setup, recovery and the short path from an ambiguous task to a working, verified result.
Built by NextEleven. Find us on X: https://x.com/nextelevendev