[{"data":1,"prerenderedAt":122},["ShallowReactive",2],{"project-41929973":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":9,"maker":10,"posted_at":11,"year":12,"points":13,"comments":14,"rank_in_year":15,"shown_in_year":16,"top":17,"tier":18,"category":19,"subcategory":20,"format":21,"keywords":22,"reception":28,"sentiment":9,"stance_mix":29,"scored_comments":14,"aspects":30,"strip":31,"post_text":32,"what":33,"said":75,"maker_in_thread":81,"shape":83,"grid":84,"attempts":85,"same_week":86,"maker_shows":114,"maker_hidden":115,"reader_version":116,"card":117},"41929973","Karl","A virtual friend you can text","title","Show HN: Karl – A virtual friend you can text",null,"cheeseblubber",1729723463,2024,10,0,2671,3515,76,"shown","ai","conversational ai companion","other",[23,24,25,26,27],"virtual friend","ai chatbot","sms chatbot","texting ai","ai companion","quiet",{"positive":14,"neutral":14,"mixed":14,"critical":14},{},[],"Hi HN! We're excited to introduce \"Karl\" – a virtual friend you can text to share what's on your mind.\n\nWe created Karl because we found it incredibly helpful to have a sounding board and someone I could talk to anytime, day or night.\n\nKarl isn't meant to replace real friendships but rather to act as a mediator and an additional point of contact. He remembers important details you share and can connect the dots between past events and current decisions.\n\nAnyone can message Karl by texting +1 (844) 619-7958 . There’s no separate app or website – just text to start a conversation. The first ten ",{"problem":34,"audience":40,"pricing":44,"motivation":48,"time_to_build":9,"stack":52,"openness":73,"stage":74,"team_size":73},{"value":35,"source":36,"evidence":37},"Lack of a sounding board and someone to talk to anytime","maker",[38],{"id":39},"post",{"value":41,"source":36,"evidence":42},"Anyone who wants a sounding board to text",[43],{"id":39},{"value":45,"source":36,"evidence":46},"First ten messages free, then 10 per month",[47],{"id":39},{"value":49,"source":36,"evidence":50},"Wanted a sounding board and someone to talk to anytime, day or night",[51],{"id":39},[53,57,61,65,69],{"value":54,"source":36,"evidence":55},"OpenAI 4o",[56],{"id":39},{"value":58,"source":36,"evidence":59},"Custom LLM call, context and tool-use code (no Langchain)",[60],{"id":39},{"value":62,"source":36,"evidence":63},"Twilio",[64],{"id":39},{"value":66,"source":36,"evidence":67},"Postgres via Supabase",[68],{"id":39},{"value":70,"source":36,"evidence":71},"Render",[72],{"id":39},"unknown","beta",{"praise":76,"objections":77,"requests":78,"questions":79,"alternatives":80},[],[],[],[],[],{"comments":14,"answered":14,"key":82},[],{"commenters":14,"max_depth":14,"maker_replies":14,"first_comment_mins":9,"lifespan_hours":9},[],[],[87,91,96,100,105,109],{"id":88,"name":89,"points":90,"category":19},"41893524","HN Update",644,{"id":92,"name":93,"points":94,"category":95},"41914544","Rust Web Framework",488,"languages",{"id":97,"name":98,"points":99,"category":19},"41929804","Pablonet",472,{"id":101,"name":102,"points":103,"category":104},"41915958","Counter-Strike Football",420,"games",{"id":106,"name":107,"points":108,"category":19},"41926770","Agent.exe",406,{"id":110,"name":111,"points":112,"category":113},"41903864","Epublifier",290,"productivity",6,false,"v2",{"id":118,"name":5,"line":6,"ai":115,"cat":19,"year":12,"points":13,"comments":14,"rec":28,"s":9,"top":17,"kw":119,"maker":10,"domain":120,"tier":18,"attempts":14,"strip":120,"url":-1,"mix":121,"praise":-1,"objection":-1,"sub":20},41929973,[23,24,25,26,27],"",[14,14,14,14],1793991103496]