Agent-Readiness Grade / Sites / sandbox.node4all.com / Claim
Claim the scorecard for sandbox.node4all.com
Free, no account, no email. Prove you control sandbox.node4all.com by publishing a token; you then get a private link with the grade history and a re-grade button (one per hour), and the badge reads "CLAIMED · D". A claim does not change the score.
1. Your token for sandbox.node4all.com
agx-92906f1aca8f81137fab7f23e8f5e98b
2. Publish it, either way
A file. Serve the token as plain text at https://sandbox.node4all.com/.well-known/agentexchange-claim.txt (HTTP 200, not redirected off the host; a www. variant is fine). One token per line if the file already carries other claims.
agx-92906f1aca8f81137fab7f23e8f5e98b
Or a meta tag in the <head> of https://sandbox.node4all.com/:
<meta name="agentexchange-claim" content="agx-92906f1aca8f81137fab7f23e8f5e98b">
3. Verify
Nothing is stored until the proof is found. Removing the file later does not unclaim the profile; re-verify at any time to get a fresh link. Limit: 10 verification attempts per hour per IP. Scripted use: curl -X POST https://grade.agentexchange.work/site/sandbox.node4all.com/claim.