harness
Harness Open Source is an end-to-end developer platform that includes code hosting, CI/CD pipeline, hosted developer environments (Gitspaces), and artifact logbooks. It is a continuation of the drone project and offers a full-scale open source DevOps platform. It can be run locally through the Docker container.
harness
100harness · DevOps / Build / Infra
Common commercial products in this category: GitHub Actions, CircleCI, Atlassian Bamboo
- You compile and test and distribute Webhook trigger pipeline code.
- You manage code hosting, CI/CD pipeline, and artifact logbooks.
- You benefit from developer environments hosted with the Gitspaces feature.
- • NeutralHacker News
Improving 15 LLMs at Coding in One Afternoon. Only the Harness Changed
“Yea, LLMs have prompt-, harness- and even random seed variability, and it leaves you wonder maybe with a better prompt or system instruction a model could perform better. Too bad most benchmarks don't report that variability, because it could reveal that the model may only…”
- • NeutralHacker News
Improving 15 LLMs at Coding in One Afternoon. Only the Harness Changed
“We build MCP servers that wrap fund APIs. The biggest performance variable we’ve found isn’t the model, it’s how much domain context the harness provides before the model has to reason. Same model, generic prompt versus one loaded with our procedural docs - wider gap than…”
Verified against README · Oct 26, 2026 · source