20 stocks meticulously hand-picked by ChatGPT using home-grown artisinal research.
See it here: 
https://hunterjsb.github.io/gpt-500/
A list of positions and their weights, along with a comment from the editor, Claude ChatGPT.
A chart showing the performance of the holdings over time versus a benchmark index.
The agent is ChatGPT running as a swarm of agents, constantly doomscrolling financials news and refining its approach to perfectly tune the GPT-20.
Services are usually HTTPS RESTish APIs that can be called from the frontend, by the agent, or as an MCP.
Just ask Claude about the repo.