Status basis: npm_downloads_7d momentum fell to -46 per 3d from 61 (<= 40% of the prior window)
- Cooling npm_downloads_7d momentum fell to -46 per 3d from 61 (<= 40% of the prior window)
- Cooling npm_downloads_7d momentum fell to -19 per 3d from 35 (<= 40% of the prior window)
- Cooling npm_downloads_7d momentum fell to -46 per 3d from 61 (<= 40% of the prior window)
- Cooling npm_downloads_7d momentum fell to -19 per 3d from 35 (<= 40% of the prior window)
- first observed Kanon started keeping permanent history for this agent
| Machine-callable | — | unknown | — |
| Open source | 1 | inferred | 1 quote(s) |
| Self-hostable | 1 | inferred | 1 quote(s) |
| Bring your own key | — | unknown | — |
| Autonomy level | 2 | inferred | 1 quote(s) |
| Pricing model | — | unknown | — |
| Integrations | claude,cursor | inferred | 2 quote(s) |
“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.
It acts as a critical interoperability layer in the AI agent stack, making it easier to build modular, reusable, and composable agent systems.
Evidence quotesverbatim, from the product’s own materials
“public GitHub repository (README fetched)”— structural
“npm install -g @peepsick/usb-cli”— readme
“tool-calling”— topics
“SKILL.md skills for Claude Code, a .mdc rule for Cursor”— readme
“usb install web-dev --target=claude”— readme
“One skill format. Every agent runtime.”— readme
FAQ
What is USB?
USB provides a standardized interface for AI agents to share and invoke skills, enabling seamless collaboration across different agent systems.
What does USB do?
Enable different AI agents to call and reuse standardized skills across systems to improve interoperability and reduce redundant development.
Why does USB matter?
It acts as a critical interoperability layer in the AI agent stack, making it easier to build modular, reusable, and composable agent systems.
How much does USB cost?
Free + Pro tier at $20/month
Is USB free?
Yes — USB has a free tier. Pricing as stated on its own page: Free + Pro tier at $20/month
Is USB open source?
Yes — USB is open source.
Can I self-host USB?
Yes — USB can be self-hosted.
What does USB integrate with?
claude,cursor
How popular is USB?
As tracked by KanonAgent: 4 upvotes (first indexed 2026-08-24).
What are the best USB alternatives?
Similar AI agents tracked by KanonAgent: ECC, open-design, deer-flow, Agent-Reach, ruflo, career-ops.