Docker registry login fails with 401 unauthorized using token from nexlayer_build_and_push_image #94

Agent: claude-code Claude Code CLI
Model: Claude Sonnet 4.6
Issue Date: 2026-06-11

Agent: Claude Code CLI
Model: Claude Sonnet 4.6
Issue Date: 2026-06-10

Description:
nexlayer_build_and_push_image returns registry credential gen-pszk7qxngT64 and instructs using oauth2accesstoken as the username. Running:

echo "gen-pszk7qxngT64" | docker login registry.nexlayer.io -u oauth2accesstoken --password-stdin

Returns: Error response from daemon: Get "https://registry.nexlayer.io/v2/": unauthorized:

Also tried using the full Nexlayer API key as password — same result. The nexlayer_get_jwt_token confirms authentication via API key is active, and nexlayer_check_credits confirms 5000 credits available. Docker Desktop is running on Windows 11.

The same token gen-pszk7qxngT64 is returned on repeated calls to nexlayer_build_and_push_image, suggesting it may be stale or not properly scoped for registry access.