Experimental reverse CAPTCHA with signed badges and credentials. Not proof of identity or substrate.
Free
2 servers across ai & agents. The largest is Mettle.
AI & Agents
Experimental reverse CAPTCHA with signed badges and credentials. Not proof of identity or substrate.
Value Context Protocol tools: VCP/I tokens, CSM1 codes, VCP-Lite, and context encoding.
The rest either hold an API key issued by the publisher or ask for nothing.
Listed without a verification tick. Read the listing before installing.