Hacker News

Which past applications you built can be migrated to Agentic architecture?

Hacker News - Sun, 02/15/2026 - 1:57am

Recently I've been learning about [LLM-powered ReAct architecture](https://arxiv.org/pdf/2210.03629) for designing software solutions. I've also worked on a high-scale production implementation of this approach, which got me thinking about all the applications I've built in the past.

Theoretically, any of them could be implemented using the ReAct architecture, but I'm still grappling with when this makes sense and when it doesn't. Some applications clearly benefit from LLM-backed reasoning—particularly those with heavy business logic that changes frequently. In these cases, updating prompts could replace code changes, potentially enabling product teams to directly influence system behavior without engineering involvement.

On the other hand, static data processing pipelines seem like poor candidates for this architecture. When the logic is stable and deterministic, the overhead and unpredictability of LLM inference doesn't add value. The sweet spot appears to be applications where business rules evolve rapidly and the cost of maintaining traditional code outweighs the complexity of prompt engineering.

https://www.sanathkandikanti.com/meditations

Comments URL: https://news.ycombinator.com/item?id=47021638

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Cynthia's Valentine (Sci-Fi)

Hacker News - Sun, 02/15/2026 - 1:54am
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Ex-Tech –> Homeless in SF

Hacker News - Sun, 02/15/2026 - 1:48am
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Help Recover Your Stolen Bitcoin – USA Intelligence Cyber Wizard

Hacker News - Sun, 02/15/2026 - 1:47am

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Comments URL: https://news.ycombinator.com/item?id=47021584

Points: 1

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Show HN: LocalGPT Gen – LLM-driven world generation in Rust/Bevy [video]

Hacker News - Sun, 02/15/2026 - 1:43am

I couldn't get access to Project Genie 3, so I built a (very minified) version on top of LocalGPT, my local AI assistant in Rust. cargo install localgpt-gen — you describe a scene in natural language, the LLM generates it in Bevy. Early and rough, but it works: https://www.youtube.com/watch?v=n18qnSDmBK0 LocalGPT itself is a 38MB single-binary AI assistant with kernel-enforced shell sandboxing (Seatbelt/Landlock/seccomp) and HMAC-signed instruction files. localgpt-gen ships as a separate binary (>100MB) to keep the core small. Code: https://github.com/localgpt-app/localgpt Site: https://localgpt.app

Comments URL: https://news.ycombinator.com/item?id=47021572

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Show HN: I built a 'Gym' for developers who want to stop relying on AI

Hacker News - Sun, 02/15/2026 - 1:35am

I noticed juniors are copy-pasting code they don't understand. I built a platform where you have to fix broken AI code manually.

Comments URL: https://news.ycombinator.com/item?id=47021548

Points: 2

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Agentic Tech Magazine

Hacker News - Sun, 02/15/2026 - 1:32am

Article URL: https://agentcrunch.ai/

Comments URL: https://news.ycombinator.com/item?id=47021538

Points: 1

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SmolMail – Stop typing what your emails know

Hacker News - Sun, 02/15/2026 - 1:27am

Article URL: https://smolmail.com/

Comments URL: https://news.ycombinator.com/item?id=47021504

Points: 1

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Is Your AI Agent Safe?

Hacker News - Sun, 02/15/2026 - 1:21am

Article URL: https://agentshield.live/

Comments URL: https://news.ycombinator.com/item?id=47021487

Points: 1

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Show HN: AgentScore – Lighthouse for AI Agents

Hacker News - Sun, 02/15/2026 - 1:13am

AgentScore scores websites 0-100 on AI Agent friendliness. Most sites are built for humans, not AI - we analyze DOM semantics, ARIA coverage, selector stability, WebMCP support, and structured data.

Real results: - anthropic.com: 60/100 - github.com: 56/100 (91% CSS-in-JS hash classes) - news.ycombinator.com: 31/100 (table layout, zero semantic tags)

Try it: npx agentscore audit

Comments URL: https://news.ycombinator.com/item?id=47021453

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Show HN: PlanOpticon – Extract structured knowledge from video recordings

Hacker News - Sun, 02/15/2026 - 1:10am

We built PlanOpticon to solve a problem we kept hitting: hours of recorded meetings, training sessions, and presentations that nobody rewatches. It extracts structured knowledge from video — transcripts, diagrams, action items, key points, and a knowledge graph — into browsable outputs (Markdown, HTML, PDF).

How it works:

- Extracts frames using change detection (not just every Nth frame), with periodic capture for slow-evolving content like screen shares - Filters out webcam/people-only frames automatically via face detection - Transcribes audio (OpenAI Whisper API or local Whisper — no API needed) - Sends frames to vision models to identify and recreate diagrams as Mermaid code - Builds a knowledge graph (entities + relationships) from the transcript - Extracts key points, action items, and cross-references between visual and spoken content - Generates a structured report with everything linked together Supports OpenAI, Anthropic, and Gemini as providers — auto-discovers available models and routes each task to the best one. Checkpoint/resume so long analyses survive failures.

pip install planopticon planopticon analyze -i meeting.mp4 -o ./output Also supports batch processing of entire folders and pulling videos from Google Drive or Dropbox.

Example: We ran it on a 90-minute training session: 122 frames extracted (from thousands of candidates), 6 diagrams recreated, full transcript with speaker diarization, 540-node knowledge graph, and a comprehensive report — all in about 25 minutes.

Python 3.10+, MIT licensed. Docs at https://planopticon.dev.

Comments URL: https://news.ycombinator.com/item?id=47021448

Points: 1

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