Nicheloom visits: 58,111 all-time · 7,637 in the last 7 days

The opportunity tracker for new startups.

Today: 1,953 launches · Niche of the day: specialized calculation tools · See what launched today →

DeepSeek Harness

Composable agent harness where everything is a plugin

Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.

Want to reach these readers? Sponsor an issue.

DeepSeek Harness is an open-source agent runtime where models, tools, prompts, storage, the agent loop, and even the UI are plugins. You compose profiles and agent presets, run programmatic tool calling, and keep a full event log for recovery and replay.

PH · launched Aug 14, 2026 · 169 upvotes (top 86%) · 0 views

Niche: ai agent runtime environments · 745 launches, 498 in the last 7 days ▲ +916% · Explore this niche →

Category and tags

  • Horizontal
  • Agent / copilot
  • Developer
  • AI-native
  • Hobby / open-source project
  • Open Source
  • Artificial Intelligence
  • Development

Visit website ↗ Source listing ↗

Could you build this?

Yes This is an open-source modular agent runtime and event loop built with standard Python or TypeScript plugin patterns, easily designed with an AI coding assistant.

Competitors

Other products that read as similar to this one : 346 launches clear the similarity bar, closest 8 shown.

Attention rank: #319 of 347 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).

Launched 210 days after the earliest competitor.

The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.