character-harness
The harness Mutuals uses to give life to its characters
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GITHUB · launched Oct 13, 2026 · 29 upvotes (top 44%)
- Media & entertainment
- Dev tools
- Developer
- AI-native
- Hobby / open-source project
Similar launches
See all 702 similar launches →Could you build this?
Yes A character evaluation harness or agent execution framework is essentially structured prompt orchestration and state management around LLM API calls, easily built with modern AI coding tools.
Competitors
Other products that read as similar to this one : 702 launches clear the similarity bar, closest 8 shown.
Attention rank: #298 of 703 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 347 days after the earliest competitor.
- Raven · hn · 2026-09-29 · 55 upvotes · similarity 0.55
- carla · github · 2026-09-26 · 10 upvotes · similarity 0.54
- Bise · hn · 2026-10-02 · 10 upvotes · similarity 0.54
- a-letter-to-junior-agents · github · 2026-10-10 · 44 upvotes · similarity 0.52
- YourChar · github · 2026-09-15 · 27 upvotes · similarity 0.51
- duolingo-character-style-skill · github · 2026-10-10 · 18 upvotes · similarity 0.48
- Harness · hn · 2026-08-13 · 5 upvotes · similarity 0.47
- PersonaGuard · github · 2026-09-12 · 13 upvotes · similarity 0.46
Other launches for this product
- No other launches for this product.
More details
- External ID
- 1418088819
- Company
- n/a
- Product
- character-harness
- Website domain
- github.com
- Cohort
- n/a
- Upvotes percentile
- 0.56
- All tags
- n/a
- AI summary
- runtime harness for ai character agents
- Manually corrected
- No