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fractorial

162 karma · joined February 9, 2022

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fractorial··on Go programs enable MPTCP by default, exposing them to Linux CVE-2026-98432
From TFA:

> Note that disabling MPTCP on a program-by-program basis is a fragile mitigation. Accidentally leaving a single MPTCP listener exposed will still leave a system vulnerable. Further, it assumes that all viable exploits for this bug depend on MPTCP. Again, we strongly recommend upgrading to a patched kernel version

fractorial··on Ask HN: Opus 5.5 suddenly dumb as rocks?
First time?
fractorial··on Claude Code regularly sends each background agent’s transcript to its model
s/saying/implying/
fractorial··on Claude Code regularly sends each background agent’s transcript to its model
As someone who rolled and daily drives a harness leaner than Pi, there’s still a use case for both.

Similarly to “one language is best,” saying “one harness is best” is shortsighted in the best possible case.

That being said, Claude Code is bloatware.

fractorial··on Show HN: Hurston-1 open source TTS that speak Southern American and Afro-English
Seeing Atlanna inspire an open weight model was not on my 2026 bingo card.
fractorial··on Five Qwen3.8-27B models match Fable 5 Using GVS5H Harness
Seriously hope you get that trace because as much as I like to dunk on Claude Code as a harness, it’s definitely not as bad as OP stated, ha.
fractorial··on What’s getting pwned right now
Would be cool to see a not slop version of this.

> Downstream runtimes that ship their own trust stores (Go, Node.js, Electron, Python certifi, curl, etc.)

At least two of these don’t ship a trust store.

fractorial··on GitHub package firewall
Works every time 97% of the time.
fractorial··on Go will reject certificate chains containing eight distrusted SPKIs
Ah, yes that seems to be what URGENT track self-documents as.
fractorial··on Go will reject certificate chains containing eight distrusted SPKIs
What about it makes it so interesting?
fractorial··on There's never been a better time to go into math (by: 3blue1brown) [video]
If you had watched Grant for years, like I have, you would surely see how this is misinformation at best.
fractorial··on Prompt injection in HTTP headers: what 217M web responses show
Curious: What are the trivial agent vs. human detection mechanisms?
fractorial··on Gemini 4 Argon
How is Anthropic different? You still cannot use a subscription in a custom harness in the same way Codex allows you to.

And, no, wrapping claude -p or any other “allowed” use wherein you don’t control the agent loop isn’t the same.

fractorial··on I am often wrong
I am in the process of open sourcing it! Unfortunately, my employer requires a (hopefully) cursory legal review.
fractorial··on I am often wrong
I’ve rolled my own harness in Go. I have a rule to not let the production LoC exceed 50k lines. It is _very_ nice for my use cases. DeepSeek Flash V4.1 often performs at the level of GPT 5.6 Sol for non-orchestration tasks (programming and maths).

I add features and tweak it all the time: You just need to get comfortable with spending 3 hours in a chat session every 3 weeks to think hard about how to simplify whatever slop you didn’t simplify the last time you did this :)

fractorial··on Show HN: Art – draw one stroke, let symmetry complete it
As a programmer, maths researcher, and painter, there’s certainly something satisfying (to me) when an artistically symmetrical piece observes no mathematical symmetry: The very asymmetry in the language used to describe it is, in and of itself, beautiful.
fractorial··on Mathematicians want proof OpenAI didn't use their work
Only under gross negligence would it be unprovable: Did you use a model whose training set included user data? Did the transcripts of any of the agents include a tool call whose result including user data?
fractorial··on Claude, change the “Add to Cart” button to blue
I’m impressed you had the patience to even make it that far!
fractorial··on Claude, change the "Add to Cart" button to blue
Brilliant. Precisely the reason I stopped using Anthropic's products.
fractorial··on Can AI design circuit boards yet?
Sir, I think you are lost.
fractorial··on Google Antigravity TOS: 3rd party usage can get Google account suspended
> Because Codex without codex is fantastic.

Seriously: I roll my own harness over OpenRouter and GPT 5.6, and it is genuinely better than CC+Fable for my maths and programming use cases.

The one thing Fable 5.1 still tops out on is the ability to take a simple "Let's engage in an interactive complexity-removing session" and materialize abstractions and semantics quickly.

fractorial··on OpenAI restores 5-hour Codex and Work limits for ChatGPT Plus users
`pathological` is being used here in the security context: For example, _a parser contains a vulnerability when pathological inputs cause a program to crash._
fractorial··on Agent Lightning v1.0
How does a _multi-trillion dollar company_ think this is good presentation?
fractorial··on Fences, Not Sandboxes
This is ludicrous; also, why publicly admit that blatant violation of ToS?
fractorial··on Anthropic appears to be A/B testing reduced effort levels in Claude Code
Roll your own harness or use an open source harness with a Codex subscription.

I maintain a Claude subscription for Fable but seldom use it.

fractorial··on Stop Making TUIs
Damn, what an epic library name.
fractorial··on Palomar: A registry of Lean verified mathematics
Palomar requires the Comparator/formalization.yaml challenge stack. It also has an LLM-based vacuity gate backed by Tao.

Theoremdb is just a slop farm.

fractorial··on MathCode, Mathematical Coding Agent
To be clear, I am deep into auto-research, but hooking up slop to slop is just unlikely to produce anything valuable.

Value is in how maths is communicated: The process, frustrations, triumphs, etc.

We have to able to take generated formalizations from “it compiles” to “it is correct” before crystallizing them.

fractorial··on Show HN: ThoughtDAG – An editable context graph for LLM conversations
Irrespective of opinions about a project or its authors, disclosing a potential security issue in a public forum is markedly not responsible disclosure.
fractorial··on AI Model Atlas – visualizing populations of ML models as interconnected 3D graph
This is, plainly stated, awesome.
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