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Updated: 51 min 37 sec ago

Show HN: GhostTrace – See rejected decisions in AI agents

Wed, 02/18/2026 - 12:24am

Hey HN,

When an AI agent makes a decision, it evaluates several options and picks one. The rest disappear forever – you never see what it almost did or why it rejected the alternatives.

I built GhostTrace to fix that. It captures "Phantom Branches": the actions your agent considered but rejected, with the reasoning for each rejection. All saved to a .ghost.json file you can replay and inspect.

Quick demo:

ghosttrace record Recorded 4 decisions with 5 phantom branches Saved to gt_a1b2c3d4.ghost.json

ghosttrace replay gt_ghost.json --show-phantoms

Step 1: read_file → src/auth.py REJECTED: write_file (premature) REJECTED: search_codebase (too broad)

pip install ghosttrace

PyPI: https://pypi.org/project/ghosttrace/

It's framework-agnostic for now, but what agent frameworks should I integrate first? LangChain? CrewAI? OpenAI Agents SDK?

Feedback very welcome!

Comments URL: https://news.ycombinator.com/item?id=47057488

Points: 1

# Comments: 0

Categories: Hacker News

Show HN: m6502, a 6502 CPU for FPGAs and Tiny Tapeout

Wed, 02/18/2026 - 12:05am

Hey HN,

Recently built an Apple II emulator and at the same time was getting into Tiny Tapeout and decided it would be cool to build a cycle-accurate 6502 CPU and an MCU for it. It's cycle accurate and the core itself should be 100% compatible with a stock MOS 6502 (would need to still test this though!).

Tested on some FPGAs (fomu, ulx3s) and works great, hoping to get it taped out in the upcoming IHP26a shuttle.

Also as part of the project I built a bus multiplexer to allow memory/bus access from an RP2040 to work around the limited pin count on Tiny Tapeout. This let's you load up programs on RP2040 and the CPU can read/write from it.

Comments URL: https://news.ycombinator.com/item?id=47057387

Points: 2

# Comments: 0

Categories: Hacker News

Show HN: Mersel AI – we make websites readable by ChatGPT/Perplexity (GEO)

Wed, 02/18/2026 - 12:00am

Three months ago I posted a batch AI image tool here. I pivoted after noticing something odd with ecommerce clients.

AI agents were visiting their sites but not citing them.

The reason is structural. LLMs parse raw HTML and often skip JavaScript-rendered content. Reviews inside Yotpo or Judge.me widgets? Invisible. Product data buried in React? Frequently misread or skipped.

So you can rank well on Google and still barely exist in AI answers.

A few numbers that changed my view:

80% of URLs cited by ChatGPT do not rank in Google’s top 100 (Ahrefs)

ChatGPT referral traffic converts at 15.9% vs 1.76% for Google organic

AI referral traffic to US retail grew 4,700% YoY (Adobe, mid-2025)

We started building Mersel AI to address this. It adds a machine-readable layer on top of existing sites using structured data and server-side HTML. No visual changes. No redesign. We also write GEO-optimized content.

Early stage, a handful of paying brands, seeing 2 to 5x increases in AI citations in the first few weeks.

Curious if others here are seeing AI traffic behave differently from organic.

Comments URL: https://news.ycombinator.com/item?id=47057367

Points: 1

# Comments: 0

Categories: Hacker News

Ask HN: Is the definition of AI that it can fool people?

Tue, 02/17/2026 - 11:37pm

Is AI still defined by the Turing Test?

Doesn't the Turing Test determine only if a machine can fool people into thinking it is intelligent?

If fooling people is the defining characteristic of AI, are we fools to think that AI can produce work of concrete (non-foolish) value?

Comments URL: https://news.ycombinator.com/item?id=47057219

Points: 1

# Comments: 0

Categories: Hacker News

Tell HN: Google Allegedly Sent NSFW "Grok" Notification to People

Tue, 02/17/2026 - 11:37pm

• https://www.reddit.com/r/iphone/comments/1r7pt0r/grok_notification/

> I just got a notification from Google that said ‘Grok’. No subtext or anything in the notification. I clicked on it, knew I probably shouldn’t, and it took me to a gif of some girl with her tongue out and a shirt on but with her rack in the camera. Anyone else? What is this? Does my phone have a virus now?

• https://www.reddit.com/r/cybersecurity_help/comments/1r7rz2r/i_had_a_google_notification_from_grok_i_didnt/

> Earlier today I had this notification from google of ‘Grok’ and I opened it to a AI generated girl with her tongue out. Am I being hacked? I’m quite scared. I changed all my passwords but want to know if anyone else had this?

Comments URL: https://news.ycombinator.com/item?id=47057216

Points: 1

# Comments: 0

Categories: Hacker News

Show HN: TerminalRant – Mastodon for developers who live in the terminal

Tue, 02/17/2026 - 11:19pm

Hi HN,

I kept noticing something slightly ironic: a lot of developers live in their terminal, coding, running tests, pushing commits and then open a browser just to post a rant.

That context switch felt unnecessary.

So I built TerminalRant, a Mastodon client designed for people who prefer staying in the terminal.

It’s written in Go (using Bubble Tea) and focuses on being keyboard-first: fast startup, vim-style navigation, inline editing, and buffer-mode posting through $EDITOR. No mouse required.

It’s not trying to compete with full-featured GUI clients. It’s just meant to make reading and posting feel native to a terminal workflow.

You can install it with: `go install github.com/CrestNiraj12/terminalrant@latest`

There’s also Homebrew and Scoop support.

I’d really appreciate feedback, especially on the UX and posting workflow. I’m sure there are things power users would want that I haven’t thought of yet.

Repo: https://github.com/CrestNiraj12/terminalrant

Thanks for taking a look.

Comments URL: https://news.ycombinator.com/item?id=47057120

Points: 1

# Comments: 0

Categories: Hacker News

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