AI Tools Scout
Open-source ToolsLLM ProjectsMCP ServersMethodology
AI Tools Scout

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

Explore
Open source AI projectsOpen source LLM projectsMCP servers list
More
SkillsContentAbout
Rankings use public ecosystem signals. Treat them as a starting point, then confirm license, setup, safety, and fit with the upstream project.
← Back to Leaderboard

Project comparison

Promptfoo vs hermes-agent

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

Promptfoo

Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line and CI/CD integration. Used by OpenAI and Anthropic.

Best matched with other agent tools.

23.5K
Stars
+2.3K
Weekly
90/100
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.

SignalPromptfoohermes-agent
Evidence statusBasic listing· 2026-10-04 09:17 UTCVerified snapshot· 2026-10-04 09:19 UTC
GitHub stars23.5K251.1K
Weekly growth+2.3K+74.1K
Health scoreStrong90/100Strong95/100
Contributors3202.2K
Commits per week74.7876.8
Open issues43724.6K
LanguageTypeScriptPython
LicenseMITMIT
Last commit2026-07-22 17:02 UTC2026-10-04 09:18 UTC
Last release0.121.19v2026.7.20

Weekly AI open-source movers

Get the fastest-growing projects, useful MCP servers, and technical reads in one weekly email.