No signal event on file yet — status is unknown, not "quiet".
- first observed Kanon started keeping permanent history for this agent
| Machine-callable | — | unknown | — |
| Open source | — | unknown | — |
| Self-hostable | — | unknown | — |
| Bring your own key | — | unknown | — |
| Autonomy level | — | unknown | — |
| Pricing model | — | unknown | — |
| Integrations | — | unknown | — |
“Unknown” means we have not verified it — it is not a “no”. Hard filters never treat unknown as false.
It pioneers a lightweight, agent-readable identity standard that could become foundational for authentic human-AI interactions.
FAQ
What is Username.md?
Username.md is a personal, cryptographically signed web page that serves as a verifiable digital identity for users interacting with AI agents.
What does Username.md do?
To allow AI agents to reliably identify and verify a user’s digital identity during interactions.
Why does Username.md matter?
It pioneers a lightweight, agent-readable identity standard that could become foundational for authentic human-AI interactions.
How much does Username.md cost?
Free
Is Username.md free?
Yes — Username.md has a free tier. Pricing as stated on its own page: Free
How popular is Username.md?
As tracked by KanonAgent: 3 upvotes (first indexed 2026-08-11).
What are the best Username.md alternatives?
Similar AI agents tracked by KanonAgent: Stealth Company, Anonymous Startup, hermes-agent, Anonymous Startup, Confidential Startup, Private Venture.