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An open-source AI tools directory with clear use cases, visible source freshness, and maintenance evidence for anyone deciding what to try.

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Rankings use public ecosystem signals. Treat them as a starting point, then confirm license, setup, safety, and fit with the upstream project.
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Project comparison

Scientific Agent Skills vs hermes-agent

Compare adoption, momentum, maintenance health, and project basics before choosing which tool to evaluate deeper.

Scientific Agent Skills

Turn any AI agent into an AI Scientist. The #1 Agent Skills library for science, used by 190,000+ scientists worldwide. 165 ready-to-use validated skills plus 100+ scientific databases covering biology, chemistry, medicine, and drug discovery. Compatible with Cursor, Claude Code, Codex, Pi, Antigravity, and the open Agent Skills standard.

Best matched with other agent tools.

43.5K
Stars
+3.2K
Weekly
86/100
Health
hermes-agent

The agent that grows with you

Best matched with other agent tools.

251.1K
Stars
+74.1K
Weekly
95/100
Health

Quick Take

Adoption

hermes-agent has the larger GitHub footprint with 251.1K stars.

Momentum

hermes-agent is currently growing faster at +74.1K stars this week.

Maintenance

hermes-agent has the stronger automated maintenance signal at 95/100. This is not a security or fit verdict.

Side-by-side evidence

Use these signals to narrow your choice, then confirm setup, license, and fit upstream.

SignalScientific Agent Skillshermes-agent
Evidence statusBasic listing· 2026-10-04 09:18 UTCVerified snapshot· 2026-10-04 09:19 UTC
GitHub stars43.5K251.1K
Weekly growth+3.2K+74.1K
Health scoreStrong86/100Strong95/100
Contributors512.2K
Commits per week14.5876.8
Open issues3224.6K
LanguagePythonPython
LicenseMITMIT
Last commit2026-09-02 16:25 UTC2026-10-04 09:18 UTC
Last releasev2.66.0v2026.7.20

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