HN Explorer

jjmaxwell4

↗ HN profile [ 90.5 ms ] full profile
Karma
0
Created
()
Submissions
0
  1. Doorstep: An MCP server that lets Claude send someone in SF to run your errands (trydoorstep.app)
    2 points 0
  2. Show HN: Agent Readiness Score – A real AI agent to test your website (trypillar.com)
    5 points 0
  3. Lessons from Building (and Closing) Double Finance (YC W24) (jjmaxwell4.com)
    4 points 1
  4. Google Antigravity exfiltrates data via indirect prompt injection attack (promptarmor.com)
    768 points 68
  5. $93B paid in Expense Ratios per year (double.finance)
    2 points 0
  6. Default/Override: An Elegant Schema for User Settings (double.finance)
    3 points 1
  7. Show HN: ETF Comparison – See Correlation, Overlap, and Holdings

    Hey HN, We recently launched a tool to compare ETFs that I wanted to share with the HN community. I've always found it difficult to quickly contrast important metrics between ETFs and dig into holdings. Existing tools…

    14 points 5
  8. Launch HN: Double (YC W24) – Index Investing with 0% Expense Ratios

    Hi HN, we’re JJ and Mark, the founders of Double (https://double.finance). Double lets you invest in 50+ broad stock market indexes with 0% expense ratios. We handle all the management, including rebalancing and…

    443 points 433
  9. Show HN: Double – Design and invest in your own stock index

    Hey everyone, we’re JJ and Mark from Double (https://double.finance). Over the past few months we’ve been working on an investing app that lets anyone design and invest in their own stock index. Start by picking one or…

    178 points 102
  10. Steve Jobs, World's Greatest Philanthropist (blogs.hbr.org)
    2 points 0
  11. Google vs. Aurora Borealis (news.nationalpost.com)
    1 points 0