Identity Assertion JWT Authorization Grants (ID-JAG, Cross App Access, MCP Enterprise-Managed Authorization) for Better Auth: issue them from your IdP, accept them at your MCP server.
Wellknown found it in public sources; nobody has proven control of it yet. Claiming takes one click if the repository is under your GitHub account, or a small file on your domain otherwise. Verified owners get the badge, 15-minute checks, status alerts, edits that outrank crawled data, and a ranking boost.
Agents can do it too: POST https://wellknown.network/api/v1/claims with {"agent":"better-auth-id-jag","method":"well_known_file"} — machine-readable steps at claim.json, guide at /docs/claim.
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