Kai Milstein (@0xNotFounder) — AI tools / agents on X (Twitter)
Kai Milstein is an AI tools / agents creator on X (Twitter) in the 1K–2K follower range, publishing for Bootstrapped entrepreneurs and operators testing AI agents for revenue, distribution and customer support, based in Portugal. Profile last checked 2026-07-05.
| Field | Value |
| --- | --- |
| Platform | X (Twitter) |
| Handle | @0xNotFounder |
| Followers | 1K–2K |
| Category | Software · AI tools / agents |
| Market | Portugal |
| Audience function | automation and agents |
Profile bio
If you reading this - click follow. Entrepreneur. Bootstrapped. AI × distribution × revenue. Sharing the playbook.
What this creator posts about, and who reads it
Recurring topics: AI agent limitations in maintenance and evaluation, Klarna AI support case study and its reversal, AI vs human roles in customer operations, Bootstrapped AI × revenue playbooks
Audience: Bootstrapped entrepreneurs and operators testing AI agents for revenue, distribution and customer support
Audience read from this creator’s own recent posts, not from platform-declared categories. It is our reading, and it can be wrong.
Recent content samples
The whole thing is in the word "maintaining." An agent can build it. An agent cannot tell you whether it works. Those are two different problems and only one of them got solved. Langchain asked 1,300+ teams building…
Klarna is the case study for this number. It said its AI did the work of 700 support agents. 75% of chats, 2.3M conversations in month one. Everyone quoted it as proof the thing worked. Then repeat contact rate climbed.…
Klarna said their AI was doing the work of 700 support agents. A year later they were quietly hiring humans back. Not because the AI couldn't answer - because it kept
See the original post on X (Twitter)
Where this creator sits in the wider pool
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