Show HN: I built this to talk Danish to my girlfriend – works with any language (menerdu.vercel.app)

Really solid deep-dive into context engineering for AI agents from the Manus team. Goes beyond theory with practical implementation examples and real-world use cases. Available in multiple languages too, which is nice for international devs.

Show HN: Display Photos on a World Map (worldsnap.surge.sh)

Show HN: Am-I-vibing, detect agentic coding environments (github.com)

Show HN: Transform passive YouTube watching into active learning (notetubeai.com)

Show HN: OrioleDB Beta12 Features and Benchmarks (orioledb.com)

Show HN: Insert yourself into that viral coldplay cheating video (modelplayground.ai)

Show HN: Molab, a cloud-hosted Marimo notebook workspace (molab.marimo.io)

Show HN: I made an extension for VSCode that integrates opencode (marketplace.visualstudio.com)

Show HN: Chimera-QxD-BMM-Qwen2-l22_28-alphaqd-1.5B-f16 (huggingface.co)

Show HN: I built library management app for those who outgrew spreadsheets (librari.io)

Show HN: Simulating autonomous drone formations (github.com)

Show HN: I built an AI agent that helps me invest (github.com)

Show HN: Improving search ranking with chess Elo scores (zeroentropy.dev)

Show HN: Mochi Invaders – Like Space Invaders but for Practicing Japanese Kana (xenodium.com)

Show HN: PlutoFilter- A single-header, zero-allocation image filter library in C (github.com)

Show HN: 0xDEAD//TYPE – A fast-paced typing shooter with retro vibes (0xdeadtype.theden.sh)

Show HN: Klartraum, a neural rendering inference engine (github.com)

Show HN: Interactive Bash tutorial that runs in the browser (sandbox.bio)

Show HN: Shoggoth Mini – A soft tentacle robot powered by GPT-4o and RL (matthieulc.com)

Show HN: I built this to talk Danish to my girlfriend – works with any language (menerdu.vercel.app)

Show HN: Rulesync – Add Support for Kiro (github.com)

Show HN: BloomSearch – Keyword search with hierarchical Bloom filters (github.com)

Show HN: We made our own inference engine for Apple Silicon (github.com)

Show HN: Beyond Z²+C, Plot Any Fractal (juliascope.com)

Show HN: Medici, a minimal, open-source, dead-simple Splitwise alternative (github.com)

Show HN: ArchGW – An intelligent edge and service proxy for agents (github.com)

Show HN: The HTML Maze – Escape an eerie labyrinth built with HTML pages (htmlmaze.com)

Show HN: Brainfork – Create a personal RAG MCP server in seconds (brainfork.is)

Show HN: A 'Choose Your Own Adventure' written in Emacs Org Mode (tendollaradventure.com)

Show HN: Ten years of running every day, visualized (nodaysoff.run)

Show HN: DataRamen, a Fast SQL Explorer with Automatic Joins and Data Navigation (dataramen.xyz)

Show HN: An MCP server that gives LLMs temporal awareness and time calculation (github.com)

Show HN: Mock FedCM Integrations (mockfedcm.com)

Show HN: Tech docs → video explainers in seconds (symvol.io)

Show HN: Numbl – A daily number puzzle inspired by Wordle and Sudoku (henryjburg.github.io)

Show HN: AI File Sorter: Organize Files and Folders with AI (Local LLMs) (github.com)

Show HN: Benchstreet – the stock prediction AI benchmark (github.com)

Show HN: FFmpeg in plain English – LLM-assisted FFmpeg in the browser (vidmix.app)

Show HN: Reviving a 20 year old OS X App (andrewshaw.nl)

Show HN: VS Code extension to edit the filesystem like a text buffer (github.com)

Show HN: RateMyPrompt – share and rate prompts with auto AI evals (josh.ing)

Show HN: Cobble – A hard daily word game (wilf.live)

Show HN: Timep – a next-gen profiler and flamegraph-generator for bash code (github.com)

Show HN: Bedrock – An 8-bit computing system for running programs anywhere (benbridle.com)

Show HN: A Raycast-compatible launcher for Linux (github.com)

Show HN: Refine – A Local Alternative to Grammarly (refine.sh)

Show HN: OffChess – Offline chess puzzles app (offchess.com)

Show HN: Clippy – a better pbcopy for macOS that handles files properly (github.com)

Show HN: Tips for getting great Text2Cypher outputs from LLMs for Graph RAG (blog.kuzudb.com)

Show HN: Mark 1.0, a notation that unifies JSON, HTML, JSX, XML, YAML, and more (marknotation.org)

Show HN: Child Affordability Index (childaffordabilityindex.com)

Manus AI agent context engineering – practical implementation guide

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