Adds inline documentation to Tools > Site Agent for connecting with an authenticated MCP URL. The guide covers enabling URL authentication, creating a dedicated Application Password, generating and copying the endpoint, credential privacy, revocation, and client compatibility. It shows a site-specific placeholder URL without displaying real credentials.
Validation: 33 WordPress integration tests / 144 assertions, 7 converter tests, PHP syntax and coding standards, runtime and translation freshness, disposable WordPress rendering, and both release ZIPs.
The companion archive is separate from the installable WordPress ZIP. Site Agent does not implement OAuth. ChatGPT web compatibility with credential-bearing URLs has not been verified.