sms_llm

Creative

sms auto-reply bot

SHOW HN2025

318points
126comments
#162of 3,837 in 2025
Top 5%of 2025 by points

How HN took it

DebatedReal support and real criticism

10 positive, 18 neutral or asking, 0 mixed, 11 critical, out of 39 comments about the project. Thread score -0.07.

Idea: 8 for, 10 againstExecution: 2 for, 0 againstPerformance: 0 for, 1 against

The thread, comment by comment

Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.

positive neutral or mixed critical about another commenter or something else the maker

What HN said

What people liked

  • Fun and funny idea

    From 2 comments
    • This is great! I once set up a Twilio script that would call spam callers every five minutes and play "Macarena."
      josh_carterPDX on HN
    • Nice work and thank you for the write up! Part of me is wondering if your bot is talking to actual humans or other bots (albeit not as advanced) because it seems like they just…
      gaudystead on HN

Objections

  • Replying may help spammers warm up numbers

    From 3 comments
    • By responding at all, it’s probably just helping spammers warm up numbers, more than anything else. So, counterintuitively, helping the spammers. Spammers need to amass a strong…
      K0balt on HN
    • Just remember - if you reply and engage in a conversation with a spammer, to the carrier’s anti spam systems it looks like the sender is legitimate since the recipient is talking…
      blackeyeblitzar on HN
    • This is fun, but from what I understood, the purpose of those random sms is to "warm up the number", so the best course of action is to either ignore them or reply STOP.
      ziofill on HN
  • Legal risk if the bot agrees to a deal

    From 2 comments
    • I thought it was a fun idea, but the more I read the more worried I became for OP legally. As one example, when the first bot says “I was thinking 20k,” if the spammer had…
      elicksaur on HN
    • When a scammer says "So, do you agree to sell me your car for $1000", and your script replies "Yes, it's a deal", and then the scammer tries to take you to court... Most courts…
      londons_explore on HN
  • Server running costs and power use

    From 1 comment
    • Sadly that isn't true: it requires a server to be running to receive message content from the phone app, run inference using the LLM and send back responses. All of that requires…
      acka on HN

Requests

  • Run without an Android phone using Asterisk and VoIP SMS

    From 1 comment
    • It would be interesting to see an implementation of this that doesn't require an android system at all (whether physical or virtualized), or even a live SIM card or mobile phone…
      walrus01 on HN
  • Connect two spammers to each other

    From 1 comment
    • I'd love to connect two SMS spammers to each other, and have an app forward messages from Spammer A to spammer B, and vice versa.
      pavel_lishin on HN

Questions

  • Does it add random delay to seem human?

    From 1 comment
    • I wasn't able to tell from skimming the repo, but have you considered adding a pseudorandom sleep? Might cost some more CPU cycles depending on how it's implemented, but would…
      jlund-molfese on HN
  • How fast does it respond?

    From 1 comment
    • Good work brodude123 ha! How quickly does the system respond to the real estate messages?
      RushiSushi on HN

Alternatives named

  • Reply STOP or report to 7726

    From 2 comments
    • Just remember - if you reply and engage in a conversation with a spammer, to the carrier’s anti spam systems it looks like the sender is legitimate since the recipient is talking…
      blackeyeblitzar on HN
    • This is fun, but from what I understood, the purpose of those random sms is to "warm up the number", so the best course of action is to either ignore them or reply STOP.
      ziofill on HN
  • Kitboga scam-baiting videos

    From 1 comment

Category, keywords, summaries and labels on this page were made by AI (Thread Reader v2) and not checked by hand. Each point links to the comments it came from.

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