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Tune your AI agent to how you actually think. Take a 5-min personality test, get a Markdown tuning file matched to your type, paste it into Claude / ChatGPT / Cursor / Gemini. Five systems (MBTI, Big Five, Enneagram, DISC, Attachment), 43 paste-ready tunings — free + MIT. Or $9 once for a synthesized master file across all five, with cross-instrument conflict resolution when MBTI and Big Five disagree.
I'm Bernard. I built AgentTune because every AI talks to me like I'm someone else.
Custom instructions help, but "be concise" is a sticky note, not personalization. The fix turned out to be embarrassingly simple: a Markdown file describing how you think, pasted into the system prompt. So I made 43... one per personality type across MBTI, Big Five, Enneagram, DISC, and Attachment. Free. MIT.
Fun finding from the research page: we ran 2,200 personality tests across six frontier models (https://agent-tune.com/research). They all came back INTJ. If Claude, ChatGPT, and Gemini have started sounding like the same person to you.
Two questions I'd love feedback on:
1. Take a test, paste the file — did your AI actually reply differently after?
2. Where do you spend the most time (Claude Code, Cursor, ChatGPT, Gemini)?
^ that's where I want to nail the install experience next.
Thanks for taking a look 🙏
— Bernard
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About AgentTune on Product Hunt
“Free personality-based tunings for your AI agent”
AgentTune was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #125 on the daily leaderboard. Tune your AI agent to how you actually think. Take a 5-min personality test, get a Markdown tuning file matched to your type, paste it into Claude / ChatGPT / Cursor / Gemini. Five systems (MBTI, Big Five, Enneagram, DISC, Attachment), 43 paste-ready tunings — free + MIT. Or $9 once for a synthesized master file across all five, with cross-instrument conflict resolution when MBTI and Big Five disagree.
AgentTune was featured in Productivity (653.8k followers), Open Source (68.5k followers), Artificial Intelligence (471k followers) and GitHub (41.3k followers) on Product Hunt. Together, these topics include over 274.5k products, making this a competitive space to launch in.
Who hunted AgentTune?
AgentTune was hunted by Bernard Huang. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
Want to see how AgentTune stacked up against nearby launches in real time? Check out the live launch dashboard for upvote speed charts, proximity comparisons, and more analytics.
Bernard Huang