Hacker News
The Cost of a Function Call
Article URL: https://lemire.me/blog/2026/02/08/the-cost-of-a-function-call/
Comments URL: https://news.ycombinator.com/item?id=46942704
Points: 3
# Comments: 0
Show HN: Tiles – yet another Emacs package for note-taking
In TILES, each note (or tile, if you will) is a single plaintext paragraph stored in its own .org file, organized through tags and bold keywords. TILES tries to keep it simple: there is no note title (to reduce friction when creating a note, and honestly a note title is not something I find very useful anyway), there are no dependencies (except for Emacs, version 27.1 at least), no links between notes, no backlinks, no graphs, and no database; every note is a paragraph in its own plaintext file.
Other notable features are: - a dashboard offering a quick glance and a preview of your notes; - note stitching (borrowed from Howm) and the possibility to get note content by using Dynamic Blocks in Org Mode (borrowed from Denote); - tags are mandatory and used for hierarchy; - keywords are optional and automatically extracted from bolded content inside the notes; - search is performed exclusively on tags and/or keywords; - subnotes (or undertiles, if you will), a kind of meta-content (or private content) inside a note, which is a paragraph prefixed with '&&' hidden everywhere except in expanded view in the dashboard and, of course, in the note editing buffer (it's not exported trough Dynamic Blocks actions, nor through stitching); - color coding in the dashboard, depending on the note's age.
Comments URL: https://news.ycombinator.com/item?id=46942698
Points: 1
# Comments: 0
PaperBanana: Generate methodology diagrams and plots from text or references
Article URL: https://paperbanana.org/
Comments URL: https://news.ycombinator.com/item?id=46942682
Points: 1
# Comments: 0
China Urges Banks to Curb Exposure to US Treasuries
Show HN: MCPlexor – MCP multiplexer that cuts agent context usage by 95%
I built MCPlexor to solve a token waste problem I kept running into with MCP-based agents.
The Problem: MCP (Model Context Protocol) is great for giving LLMs access to external tools. But if you connect multiple servers (GitHub, Linear, Postgres, Slack), you end up with 40-50k tokens of tool definitions injected into every request – before the agent even does anything.
On a 200k context model, that's 25% gone. On smaller models, it's worse. And most runs only use 1-2 tools.
The Solution: MCPlexor sits between your agent and your MCP servers. Instead of loading all tool definitions upfront:
Agent asks for a capability ("create an issue") MCPlexor routes to the right server using semantic matching Only relevant tools get exposed Result: ~500 tokens overhead instead of ~20k.
Technical Details: - Written in Go, single binary, no runtime deps - Supports both stdio and HTTP transports - Stores credentials in OS keychain (macOS Keychain, Windows Credential Manager, Linux keyring via zalando/go-keyring) - Works with Claude Desktop, Cursor, Augment Code, or any MCP-compatible client
The routing logic can run entirely locally using Ollama. No API calls, no cost, works offline.
Business Model (for transparency): - Local/Ollama users: completely free - Cloud tier (on waitlist): we run inference on efficient small models instead of Opus/Pro, pass on savings, take a margin The bet is that routing is a narrow enough task that a fine-tuned 7B model does it as well as a frontier model. Early testing suggests this works.
CLI uploads: https://github.com/arustagi101/mcplexor Install: `curl -fsSL https://mcplexor.com/install.sh | bash` Happy to answer questions about the architecture, the routing approach, or anything else.
Comments URL: https://news.ycombinator.com/item?id=46942466
Points: 1
# Comments: 0
One Person, 34 Services: How AI Tooling Changed the Economics of Running Homelab
Article URL: https://blog.coutinho.io/how-ai-tooling-changed-the-economics-of-running-a-production-grade-homelab
Comments URL: https://news.ycombinator.com/item?id=46942447
Points: 1
# Comments: 0
I Test Drove a Chinese EV. Now I Don't Want to Buy American Cars Anymore
Article URL: https://www.wsj.com/tech/personal-tech/chinese-ev-test-drive-xiaomi-su7-c3e59282
Comments URL: https://news.ycombinator.com/item?id=46942445
Points: 1
# Comments: 0
The CIA World Factbook is dead
Article URL: https://www.npr.org/2026/02/07/nx-s1-5702494/cia-world-factbook-dead
Comments URL: https://news.ycombinator.com/item?id=46942438
Points: 1
# Comments: 0
Apple Silicon Macs have 2 types of Thunderbolt ports
Article URL: https://eclecticlight.co/2026/02/06/apple-silicon-macs-have-2-types-of-thunderbolt-ports/
Comments URL: https://news.ycombinator.com/item?id=46942431
Points: 1
# Comments: 0
1988 Soviet PDP-11 class MK-90 calculator cost >1yr's salary
Article URL: https://www.youtube.com/watch?v=YGo5L3yzXhA
Comments URL: https://news.ycombinator.com/item?id=46942371
Points: 2
# Comments: 0
WebSpace Invaders
Article URL: https://matthiasott.com/articles/webspace-invaders
Comments URL: https://news.ycombinator.com/item?id=46942370
Points: 3
# Comments: 0
What Is an Event Sourcing Database?
Article URL: https://www.genesisdb.io/blog/posts/2026-02-08/event-sourcing-database
Comments URL: https://news.ycombinator.com/item?id=46942367
Points: 4
# Comments: 0
Iran notified ahead of Witkoff, Kushner visit to US aircraft carrier – report
Article URL: https://www.timesofisrael.com/iran-was-notified-ahead-of-witkoff-kushner-visit-to-us-aircraft-carrier-report/
Comments URL: https://news.ycombinator.com/item?id=46942345
Points: 1
# Comments: 0
Alice the Caml
Article URL: https://www.gridbugs.org/alice-the-caml/
Comments URL: https://news.ycombinator.com/item?id=46942344
Points: 1
# Comments: 0
'Help is on the way': to whom?
Article URL: https://www.iranintl.com/en/202602035280
Comments URL: https://news.ycombinator.com/item?id=46942331
Points: 1
# Comments: 0
Gemini 3 Flash Preview: Inconsistent thought_signature
To Fight a Troll
Article URL: https://blog.zarfhome.com/2026/02/to-fight-a-troll
Comments URL: https://news.ycombinator.com/item?id=46942297
Points: 1
# Comments: 0
Cola Holy Grail: Great taste, no calories, no sweetener
Article URL: https://www.seattletimes.com/seattle-news/health/cola-holy-grail-great-taste-no-calories-no-artificial-sweetener/
Comments URL: https://news.ycombinator.com/item?id=46942262
Points: 1
# Comments: 0
A Complete Guide to Neural Network Optimizers
Article URL: https://chizkidd.github.io//2026/01/22/neural-net-optimizers/
Comments URL: https://news.ycombinator.com/item?id=46942251
Points: 2
# Comments: 0
Adding Support for Qwen3.5
Article URL: https://github.com/huggingface/transformers/pull/43830
Comments URL: https://news.ycombinator.com/item?id=46942237
Points: 1
# Comments: 0
