The Redirect.
Ideas between click and destination.
Engineering
All articlesEngineering
Your user-agent check believes anyone
Any script can claim to be GPTBot. The IETF's first Web Bot Auth draft lets agents like ChatGPT's and Google's prove who they are with HTTP Message Signatures, but signers and verifiers already disagree on the header format, and no signature survives a 302.
Engineering
What stateless MCP changes for agents that manage links
No sessions, no handshake, no resumable streams. The MCP 2026-07-28 changes that matter when agents create and delete links at scale, with request examples and a migration checklist for servers and clients.
Engineering
Links for LLMs
AI agents follow links too — but they want structured data, not HTML. One URL that redirects people and answers machines with clean JSON changes what a "link" can do.


