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Logic Puzzles: Why the Liar Is the Helpful One

https://blog.szczepan.org/blog/knights-and-knaves/
1•wasabi991011•6m ago•0 comments

Optical Combs Help Radio Telescopes Work Together

https://hackaday.com/2026/02/03/optical-combs-help-radio-telescopes-work-together/
1•toomuchtodo•11m ago•1 comments

Show HN: Myanon – fast, deterministic MySQL dump anonymizer

https://github.com/ppomes/myanon
1•pierrepomes•17m ago•0 comments

The Tao of Programming

http://www.canonical.org/~kragen/tao-of-programming.html
1•alexjplant•18m ago•0 comments

Forcing Rust: How Big Tech Lobbied the Government into a Language Mandate

https://medium.com/@ognian.milanov/forcing-rust-how-big-tech-lobbied-the-government-into-a-langua...
1•akagusu•19m ago•0 comments

PanelBench: We evaluated Cursor's Visual Editor on 89 test cases. 43 fail

https://www.tryinspector.com/blog/code-first-design-tools
2•quentinrl•21m ago•1 comments

Can You Draw Every Flag in PowerPoint? (Part 2) [video]

https://www.youtube.com/watch?v=BztF7MODsKI
1•fgclue•26m ago•0 comments

Show HN: MCP-baepsae – MCP server for iOS Simulator automation

https://github.com/oozoofrog/mcp-baepsae
1•oozoofrog•30m ago•0 comments

Make Trust Irrelevant: A Gamer's Take on Agentic AI Safety

https://github.com/Deso-PK/make-trust-irrelevant
2•DesoPK•34m ago•0 comments

Show HN: Sem – Semantic diffs and patches for Git

https://ataraxy-labs.github.io/sem/
1•rs545837•35m ago•1 comments

Hello world does not compile

https://github.com/anthropics/claudes-c-compiler/issues/1
20•mfiguiere•41m ago•7 comments

Show HN: ZigZag – A Bubble Tea-Inspired TUI Framework for Zig

https://github.com/meszmate/zigzag
3•meszmate•43m ago•0 comments

Metaphor+Metonymy: "To love that well which thou must leave ere long"(Sonnet73)

https://www.huckgutman.com/blog-1/shakespeare-sonnet-73
1•gsf_emergency_6•45m ago•0 comments

Show HN: Django N+1 Queries Checker

https://github.com/richardhapb/django-check
1•richardhapb•1h ago•1 comments

Emacs-tramp-RPC: High-performance TRAMP back end using JSON-RPC instead of shell

https://github.com/ArthurHeymans/emacs-tramp-rpc
1•todsacerdoti•1h ago•0 comments

Protocol Validation with Affine MPST in Rust

https://hibanaworks.dev
1•o8vm•1h ago•1 comments

Female Asian Elephant Calf Born at the Smithsonian National Zoo

https://www.si.edu/newsdesk/releases/female-asian-elephant-calf-born-smithsonians-national-zoo-an...
3•gmays•1h ago•0 comments

Show HN: Zest – A hands-on simulator for Staff+ system design scenarios

https://staff-engineering-simulator-880284904082.us-west1.run.app/
1•chanip0114•1h ago•1 comments

Show HN: DeSync – Decentralized Economic Realm with Blockchain-Based Governance

https://github.com/MelzLabs/DeSync
1•0xUnavailable•1h ago•0 comments

Automatic Programming Returns

https://cyber-omelette.com/posts/the-abstraction-rises.html
1•benrules2•1h ago•1 comments

Why Are There Still So Many Jobs? The History and Future of Workplace Automation [pdf]

https://economics.mit.edu/sites/default/files/inline-files/Why%20Are%20there%20Still%20So%20Many%...
2•oidar•1h ago•0 comments

The Search Engine Map

https://www.searchenginemap.com
1•cratermoon•1h ago•0 comments

Show HN: Souls.directory – SOUL.md templates for AI agent personalities

https://souls.directory
1•thedaviddias•1h ago•0 comments

Real-Time ETL for Enterprise-Grade Data Integration

https://tabsdata.com
1•teleforce•1h ago•0 comments

Economics Puzzle Leads to a New Understanding of a Fundamental Law of Physics

https://www.caltech.edu/about/news/economics-puzzle-leads-to-a-new-understanding-of-a-fundamental...
3•geox•1h ago•1 comments

Switzerland's Extraordinary Medieval Library

https://www.bbc.com/travel/article/20260202-inside-switzerlands-extraordinary-medieval-library
4•bookmtn•1h ago•0 comments

A new comet was just discovered. Will it be visible in broad daylight?

https://phys.org/news/2026-02-comet-visible-broad-daylight.html
5•bookmtn•1h ago•0 comments

ESR: Comes the news that Anthropic has vibecoded a C compiler

https://twitter.com/esrtweet/status/2019562859978539342
2•tjr•1h ago•0 comments

Frisco residents divided over H-1B visas, 'Indian takeover' at council meeting

https://www.dallasnews.com/news/politics/2026/02/04/frisco-residents-divided-over-h-1b-visas-indi...
5•alephnerd•1h ago•5 comments

If CNN Covered Star Wars

https://www.youtube.com/watch?v=vArJg_SU4Lc
1•keepamovin•1h ago•1 comments
Open in hackernews

Show HN: Persistent memory for Claude Code sessions

https://github.com/TonyStef/Grov
22•tonyystef•2mo ago

Comments

tonyystef•2mo ago
I kept watching Claude Code spend 10 minutes re-exploring files it already analyzed yesterday. Same patterns, same architecture, every session starting from zero.

So I built grov. It runs a local proxy that intercepts Claude Code's API calls, captures reasoning from each session (via LLM extraction), stores it in SQLite, and auto-injects relevant context into future sessions.

In testing: baseline task took 10-11 min with 3+ explore agents launched. With context injection: 1-2 min, zero explore agents. Claude just reads the files directly because it already knows the codebase patterns.

How it works:

-Run grov init

- Run grov proxy (keep it running)

- Use Claude Code normally

- Grov captures what Claude learns, injects it next session

It's local-only (SQLite), nothing leaves your machine. Currently ~250 npm downloads with no promotion, which pushed me to share it here.

Still early (v0.2.2). Would love feedback from Claude Code users. Please report bugs!

tom1337•2mo ago
Why don’t you just resume the previous session with Claude so it keeps the context?
tonyystef•2mo ago
Resume keeps one session alive. Grov gives you knowledge from all past sessions (yours + your team's), filtered to what's relevant right now. It's really built for teams using coding agents to build software together.

Example: My cofounder debugged the payment flow last week. When I touch payment code today, his reasoning is automatically injected into my session.

tom1337•2mo ago
Alright sounds nice - I guess for teams it makes sense then but as a soll developer, claude resume currently works well:)
henryquillin12•2mo ago
How do you ensure each memory is still relevant?
simgt•2mo ago
That thing is 15kLOC of Typescript vibe-coded over the span of two days. At this point you're better off asking an AI if you have a question about what the code does...
Zetaphor•2mo ago
The repo history shows about two weeks of development. If you can't be bothered to do basic due diligence before critiquing, your opinion is just as 'vibe-based' as you claim the code is.
tonyystef•2mo ago
Appreciate it.
simgt•2mo ago
Fair enough, my comment was unnecessarily harsh.
tonyystef•2mo ago
Currently we match by:

File paths: If you're touching src/auth/, we inject memories that touched auth files. Recency: Most recent memories first, limited to top 10

Semantic search is on the roadmap but not implemented yet. Right now it's straightforward file matching + recency.

(Appreciate the question, really have to start working on this; not the first time someone asked :))

jatins•2mo ago
What value does it provide over, say, just asking Claude to keep state in a markdown file that it can access across sessions?
tonyystef•2mo ago
Good question!

1. Automatic capture with structured extraction: Grov uses Haiku to extract reasoning_trace (conclusions + insights) and decisions (choice + why) from each session. You don't write anything, it captures automatically.

2. Intelligent injection by file match: When you edit src/auth/login.ts, Grov queries past sessions that touched auth files and injects only that context. A markdown file would be read entirely every time, wasting tokens. (next version will also include semantic search)

3.Team sync: Automatically syncs to a team dashboard. When dev A explains the auth system, dev B's Claude knows it automatically while doing related work.

Technically this was the core idea of Grov, for my coding agent to know the reasoning behind why my cofounder's coding agent chose to implement xyz in such way.

uptownhr•1mo ago
I also built something similar. Utilizes ZEP for building a temporal graph that keeps track of facts.

https://github.com/Zabaca/temporal-bridge

smcleod•1mo ago
I see it requires an ANTHROPIC_API_KEY, does that mean it does not work with Claude Max plans?
tonyystef•1mo ago
The API key powers Grov's features (Haiku for reasoning extraction + drift detection). It does work with claude max plans, for example I use it with my claude code instances, and I am a max user, but you just have to use an API key for the fundamental features of Grov.

If this is a deal-breaker for you, in the near future I'll let teams use our API key, so you can just install it and run it normally without having to set anything up other than connect to your team. If you have any other questions you can find my email in the repo.

Hope this helps.