Harness Hub
All open source

Open sourcePython · ≈37k stars · MIT

Nuwa Skill

Turns how a person thinks into a reusable agent skill.

alchaincyf/nuwa-skill

Maintained by alchaincyf

Vertical Agents

Skill that captures a person's mental models, decision heuristics and voice as a reusable agent skill.

View on GitHub

Pros & cons

Each point cites its sources and says what kind of evidence backs it. A second reviewer tried to refute every claim before it was kept.

Pros

  • DocsAutomates researching and distilling a public figure's mental models, decision heuristics and expression style into a runnable skill.[1]
  • DocsRuns in 50+ Agent Skills runtimes, including Claude Code, Codex, Cursor and Gemini CLI.[1]
  • MetadataMIT-licensed with about 37k stars, and the community maintains collections of 135+ distilled personas.[1][2]

Cons

  • User reportsOne user reports a single "distill this person" run cost about $40.[1]
  • User reportsSome users push back on the concept, with threads calling for a boycott and arguing for "wisdom, not role-play."[1][2]
  • DocsThe primary README and community are Chinese-first, with English secondary.[1]
Best for
Users who want thinking-partner personas built from a public figure's documented ideas.
Watch out for
Set a spend cap before running it, and do not present persona output as the real person's views.

Assessed Oct 29, 2026 · adversarially reviewedSuggest a correction

Neighbours on the workbench

Python · ≈66k stars · MIT

last30days

mvanhorn/last30days-skill

Researches the last 30 days of any topic across Reddit, X, YouTube, HN and Polymarket.

Maintained by mvanhorn

4 pros · 4 cons

Python · ≈62k stars · MIT

Humanizer

blader/humanizer

An agent skill that strips signs of AI-generated writing from text.

Maintained by blader

4 pros · 4 cons

Python · ≈59k stars · MIT

OpenManus

FoundationAgents/OpenManus

Open, invite-free general-purpose agent from the MetaGPT team.

Maintained by FoundationAgents

3 pros · 4 cons

Connections

Relations from the Harness Hub knowledge graph, as charted in the State of Harness reports.

Maintained by · 1

  • alchaincyfOrganisation

Similar entries · 4

Sources

  1. GitHub repo

Verified Oct 29, 2026