Halv
open-source agent coding software that reduces your usage
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HN · launched Oct 22, 2026 · 6 upvotes (top 73%)
- Horizontal
- Dev tools
- Developer
- AI-native
- Hobby / open-source project
Similar launches
See all 2983 similar launches →Could you build this?
Partial The desktop workspace, terminal panes, and savings dashboard are standard app work that vibe coding handles well. The cost-savings claims rest on proprietary routing ("JEV") and compression integrations, which need real benchmarking data and tuning to reproduce.
What it would actually take: Build an Electron or Tauri shell that spawns Claude Code, Codex, and other CLIs in native terminals, with a local sandbox and approval flow. The hard part is the routing and context-compression layer, which must be built and measured against paired runs to show real cost reduction. That requires evaluation infrastructure, access to multiple model APIs, and someone who can tune routing policies from the resulting data.
Discussion
2 comments analyzed.
Concerns raised: Unclear whether 57% savings come from routing or compression
Competitors
Other products that read as similar to this one : 2983 launches clear the similarity bar, closest 8 shown.
Attention rank: #2198 of 2984 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 358 days after the earliest competitor.
- agent-scaffold · github · 2026-10-20 · 11 upvotes · similarity 0.79
- Loom, an open-source delivery harness for coding agents · hn · 2026-06-10 · 5 upvotes · similarity 0.77
- 514 · hn · 2026-08-07 · 10 upvotes · similarity 0.75
- agentaps · github · 2026-09-24 · 29 upvotes · similarity 0.74
- agent-launcher · github · 2026-10-09 · 10 upvotes · similarity 0.73
- Zenbu - The extensible IDE for managing coding agents · yc · 2026-06-03 · 5 upvotes · similarity 0.73
- Lula · hn · 2026-03-23 · 5 upvotes · similarity 0.72
- TakoVM · hn · 2026-06-30 · 6 upvotes · similarity 0.72
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