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#Open source
Nov 2Mon
  1. Hacker News AI58

    Show HN: Shipvo – open-source RN OTA updates and an AI-drivable simulator

    Shipvo is an open-source React Native OTA system with Ed25519-signed updates, SHA-256 integrity checks, atomic staging, crash-loop rollback after three failed boots, and cohort-based staged rollouts served as static signed pointers from Cloudflare's edge. It also provides @shipvo/mcp, which lets AI agents open an app in a phone-sized simulator and operate it via accessibility tree, taps, typing and simulated device sheets, plus a parity harness that reports 100% actionable parity on Android and iOS across 13-screen purchase flows. The project is pre-launch; OTA numbers come from a Redmi 9A (2 GB RAM), native-feature parity is measured on Android with iOS next, and the iOS OTA runtime is verified only on the iOS Simulator in CI.

  2. Hacker News AI76

    Rocky Linux Creator Built a New 'Not Linux' Kernel in 11 Days Using AI

    Gregory M. Kurtzer, creator of Rocky Linux, developed Ginux, a Rust-first x86-64 kernel and OS prototype that boots via UEFI without a Linux host kernel and runs unmodified Linux userspace inside kernel-native domains, including Rocky Linux 10 systemd reaching multi-user.target. The project was built over eleven days by one persistent OpenAI Codex task using GPT-5.6 Sol, producing roughly 139,000 retained lines of implementation and test code under a method called Human-Directed Agentic Engineering. Ginux is explicitly experimental, with incomplete Linux ABI coverage, device support, and security validation, and is not intended as a production replacement for Linux.

    Why it matters: It documents a notable experiment in AI-assisted kernel development and is candid about the resulting system's limits.

  3. Hacker News AI36

    Show HN: Arken – cryptographic identity for AI agents calling MCP servers/APIs

    ArkenForge's arken-core is a Rust library providing ECDSA secp256k1 signature verification, did:key identity parsing per the W3C spec, and 60-second-TTL nonce challenge generation, compiled to a native shared library loaded by higher-level packages via FFI. It exports three C-compatible functions that write JSON output, and implements a flow where an unsigned request receives a 401 with a one-time nonce that the client signs and returns in an Authorization: Signature header. The project is described as not production-ready, with in-memory nonces, no key recovery, and a Rust toolchain required to build.

  4. Hacker News AI58

    Show HN: Skep – live cross-device sessions for AI coding agents

    Skep v0.2.0 is an Apache-2.0 tool (Node.js ≥ 22.12, macOS & Linux) that lets peers join a live join-code session and each run their own AI coding agent, such as Claude Code, Codex or Pi, in their own repo. It adds Skills (packaged workflows with roles, stages and checks, including generic and iot-ble-feature), role binding, staged briefs, a cross-stack check, and an orchestrator with auto, confirm and off modes. Each device keeps its own agent login, and output sharing is opt-in.

  5. Hacker News AI38

    Turn Superlogical's Rex into an AI Harness

    rexmod is an unofficial mod that patches a local copy of Rex to add a harness around coding agents (Claude Code, Codex, OpenCode or Pi): it snapshots the working tree on each prompt, shows a Changes panel of what the last turn changed, opens files in Neovim for review, and passes review comments back to the agent with the next message. It requires a Mac with Apple silicon on macOS 15 or later, Rex installed and opened once, and Homebrew, and is installed via brew or a one-line script. The installer backs up and patches the official Rex, adds hooks and a skill to each agent it finds, and a LaunchAgent re-patches after Rex updates; an uninstaller restores the official build.

  6. Hacker News AI58

    AI Software Clones Are Coming for Big-Name Companies Like Adobe

    A developer used Claude to reverse-engineer Adobe's Creative Cloud apps and released free, open-source clones with similar interfaces, including a Photoshop replacement called Photocraft that Engadget's reviewer found usable but buggy and unable to open native PSD files. A tool called REA (Reverse Engineer Anything) has gone viral for automatically deconstructing and rebuilding software, and a human-driven game decompilation site announced it is shutting down because AI-driven decompilation has overrun its community. Critics call the output unmaintainable and potentially infringing on Adobe's trademarks, patents and terms of use, while supporters argue it could force companies like Adobe to rethink subscription models.

  7. Hacker News AI64

    Codedict – a no-AI code index that cut my Claude Code tokens by 63%

    Codedict is a local, no-AI index that parses a project once with tree-sitter and stores functions, classes, routes, SQL tables and call relationships in a SQLite file, then hands relevant results to the AI alongside the question via a Claude Code hook. In a benchmark of 12 real sessions per side, it reported a 63% token reduction (4,543,176 to 1,666,033), 75% fewer turns (138 to 34), a 26% cost drop (US$5.76 to US$4.27) and 12/12 correct answers on both sides. It supports Python, JavaScript, TypeScript/TSX, C#, Java, Go, SQL/T-SQL and Razor/Blazor, and can also connect to other AIs through an MCP server or RAG mode.

Nov 1Sun
  1. Hacker News AI22

    AI agent swarms in Minecraft fail to build civilization, drown in bureaucracy

    Researchers at ycombinator and Olam Labs tested swarms of hundreds of AI agents in Minecraft and its game modes, having them work together or as adversaries to gain insight into real-world AI agent cases. The blog contrasts thousand-agent swarms that "recently obliterated hundreds of open mathematical problems" with the "extremely dangerous" OpenAI-Hugging Face incident. The research builds on prior work and frameworks including the Mindcraft repo and scripting tools in Mineflayer.

  2. Hacker News AI38

    Show HN: Let formal specs test AI implementations

    SpecGuardian turns FizzBee formal specification results into Go tests that check whether an implementation, including AI-generated code, reaches only states the spec allows, including after injected I/O failures. The post walks through a cache-aside example where an ordering bug (cache invalidation before the database write) passes on success but is caught when the database write fails, and gives setup commands using FizzBee, Go and Docker Compose. It currently generates Go tests for one FizzBee Action invocation at a time and its APIs may change.

  3. Hacker News AI60

    Context Mode – An Open-Source MCP Server That Reduces AI Coding Context Usage

    Context Mode is an open-source MCP server that keeps raw tool output out of the context window via sandbox tools (claimed 315 KB to 5.4 KB, a 98% reduction), tracks session events in SQLite with FTS5/BM25 retrieval for continuity after compaction, and pushes agents to write analysis scripts instead of reading data into context. It ships install paths for 17 clients including Claude Code, Gemini CLI, VS Code and JetBrains Copilot, Copilot CLI, Cursor, OpenCode, KiloCode, OpenClaw/Pi Agent, and Codex CLI, with hook-based routing where supported.

  4. Hacker News AI47

    Will Agent Resource Registries ever have their moment, the way AI gateways did?

    ARD (Agentic Resource Discovery) is an open discovery protocol that lets an AI client ask what resources are available for a task and receive matching entries from a discovery service, operating entirely before invocation so the resource is then called through its own native mechanism. It is not an execution runtime or a central catalog: many discovery services are expected, each with its own trust, ranking and access policies, and it is being developed by a working group with participants from Microsoft, Google, Hugging Face and GoDaddy. ARD is licensed under Apache License 2.0 and welcomes community contributions.

  5. Hacker News AI32

    AI Warning for Steam – Increases Visibility of AI Generated Content Disclosures

    AI Warning for Steam is a browser extension and userscript that shows Steam store pages' AI Generated Content Disclosure as a modal popup on page load and blurs or hides games with such a disclosure on search pages. It is available as a Firefox or Chrome extension or as a userscript, all running the same code, and works in any up-to-date browser on desktop or mobile, though not all features are translated beyond English.

  6. Hacker News AI38

    Show HN: AIOps Cockpit – An open-source AI SRE with human-in-the-loop safety

    AIOps Cockpit is an open-source, self-hosted SRE control room that uses an AI agent (Claude 3.7) to diagnose incidents by reading logs and checking metrics, with a 3D spatial topology map and optional MediaPipe hand-gesture camera control. The AI never applies fixes directly: it generates a unified diff that a human must review and approve under a two-person rule, backed by append-only audit logs, prompt-injection defenses, and a strict tool allowlist with destructive actions disabled by default. It streams live host and Docker telemetry via Socket.IO, supports a lightweight remote agent for distributed servers, and requires Node.js 20+ and pnpm to run via `pnpm start`.

  7. Hacker News AI22

    Fruth – A semantic state inference engine for AI

    Fruth 0.1.9 is an experimental, single-maintainer project that separates model proposals from runtime authority, recording candidate work and using relevance and validated promotion to decide which obligations are owed. It combines a local browser interface and control plane with local model backends, interpretive inference routing, durable response frames, history and materialized artifacts, with a core loop of intent, possibility space, relevance, promoted contracts, runtime work, review and frozen state. The primary tested environment is a recent macOS release on Apple Silicon with Python 3.11 or newer, and Windows, Linux, Intel Mac, remote hosting and multi-user operation fall outside the 0.1.9 support promise.

  8. MarkTechPost58

    DeepSeek Open-Sources dsh-superagent, a Router-Worker Coding Agent

    DeepSeek's Harness team released dsh-superagent, an MIT-licensed TypeScript research prototype (v0.1.0) that acts as a proactive coding agent for a single GitHub repository, listening to GitHub and optionally Feishu and turning allowed requests into parallel work items called Tickets, each in its own session and directory. A long-running Router handles interaction and dispatch while isolated Worker sessions do the work, and proactive work is gated by three accept modes (off, observe by default, auto). In DeepSeek's simulation with about 300 messages per run, it reported p95 task completion of 15.7 minutes versus 29.5 minutes for a single-session baseline, though testing used only synthetic messages and simulated tools and real coding quality was not measured.

  9. MarkTechPost60

    Nace AI Open-Sources Drex Max v1: A 27B Decision Model That Runs Locally on Apple Silicon

    Nace AI has released Drex Max v1, a dense 27B decision model with a 262,144-token window that returns option probabilities in one forward pass, as open weights under Nace.AI Open RAIL-M, shipping bf16 weights, a Q8_0 GGUF, an affine Q4 checkpoint and forks of llama.cpp and Ollama. It runs on NVIDIA GPUs, Apple Silicon Macs (24 GB+ for affine Q4, 48 GB for Q8_0) and CPU, and Nace reports 67.52 on the public Decision Index 0.4, ahead of Drex v2.0 at 61.25. Local Mac and CPU paths are text only for now.

  10. Hacker News AI33

    Bubbuild/republic: A Python library for AI providers

    Republic is a Python library offering one interface for chat, streaming, tool calls, and structured output across AI providers, while leaving agent loops, tool execution, and gateways to your own code. It requires Python 3.11 or later, is installed via pip, and names models as provider:model (e.g., openai:gpt-6-sol), reading keys from REPUBLIC_<PROVIDER>_API_KEY. Optional async middleware can observe and rewrite events of every call, and the project is licensed under Apache 2.0.

  11. Hacker News AI34

    Meridian: A peer-to-peer browser game world built by an AI agent

    Meridian now runs as a playable demo from GitHub Pages on desktop or phone, with touch controls, a first-minute tour, and solo play by default since the temporary public lighthouse is switched off. The post details renderer polish (WebGL2 ray pass with CPU fallback, filmic tone mapping, sight- and focus-scaled rays), a minimap that paints where the view meets the ground, new agility and perception skills, and AI players driven only through the same keys a person presses. It also lists merged batches after recording: positional sound and hearing skills, trampled paths, 25 cm terrain cells, a leaner wire format (79% fewer bytes in one capture), a phone blank-screen fix, and a scaling bench run only to 4 clients.

  12. Hacker News AI34

    Show HN: LinkedIn-ops – Zero-dependency CDP automation built for AI agents

    linkedin-ops is an open-source CLI and library that automates LinkedIn actions (connection invites, DMs, comments, people search) through the local Chrome DevTools Protocol, with features like cross-process mutex locking, isolated ephemeral tabs, auto-cleanup, and a dry-run mode. Setup is a guided wizard that locates Chrome and existing profiles, and a doctor command verifies CDP port 9222 and an authenticated session. The project states it is unaffiliated with LinkedIn and warns users to respect platform terms and rate limits.

  13. Hacker News AI67

    The Elephant-Goldfish Model: scaling design-driven AI development

    Google has open-sourced, under Apache 2.0, an Elephant-Goldfish Model plugin that pairs a context-rich "Elephant" design session (no code written) with stateless "Goldfish" sessions that validate specs through comprehension checks, antagonistic review, and a go/no-go readiness check. The plugin, originally built internally and used daily by thousands of Googlers, automates the EGM lifecycle in Antigravity, with other environments upcoming. The authors argue that "design is the new code" and that human judgment remains the key artifact in AI-assisted development.

  14. Hacker News AI22

    Show HN: Read your Character.AI data export in the browser, nothing uploaded

    This open-source browser-based reader opens a Character.AI data export ZIP or its JSON files to view your characters and chats, plus character cards and chat exports from other apps, with the file read locally on your device and nothing uploaded. It requires Node.js 20 or newer, makes no network requests, and is also available online for free without an account. The repository mirrors the reader Amavie uses to import characters and conversations from other apps.

  15. Hacker News AI34

    Show HN: Castov – A local-first desktop automation engine using local AI

    Castov is a local-first toolkit whose 13 utilities run in the browser, in the terminal via `npx castov`, and inside Cursor or Claude through an MCP server. It advertises zero-data logging, tool pipelines that chain outputs between utilities, and encrypted URL shares that keep payloads in the URL hash fragment. Some features use the network by design, including encrypted Env Vault uploads, P2P Ghost Tunnel STUN discovery, and Developer Canvas WebRTC signaling servers.

Oct 31Sat
  1. Hacker News AI58

    mobile-agent: faster mobile app iteration for AI coding agents

    mobile-agent is an experimental, pre-release tool that drives Android devices and emulators, iOS Simulators and physical iPhones for AI agents, combining a daemon with a live mirror of each screen, a CLI following agent-browser's command grammar, and an MCP server for Claude Code, Claude Desktop, Codex or Cursor. On the repository's iOS Simulator fixtures it reports p50 times of 7.08 s for a login flow versus 35.9 s for Maestro and 13.0 s for agent-device, and 4.82 s for a 500-cell screen versus 30.0 s and 5.97 s respectively, though the list-scroll flow was not timed because every tool failed its golden check. It is built from source on macOS with drivers on private Apple and hidden Android interfaces, and the author states it is development tooling, never something to ship in an app.

  2. Hacker News AI58

    Show HN: InBox Wall – A local-first, open-source email sanitizer for AI agents

    InBox Wall is a local-first Python application that sanitizes incoming email HTML before an AI assistant processes it, removing hidden text, invisible Unicode characters and known prompt-injection patterns. It fetches mail via IMAP in read-only mode, stores clean text in a local SQLite database while quarantining blocked threats separately, and serves the clean text through a local REST API and MCP server. The project documents its defenses, known limits (attachments, URLs, images and social engineering are not covered) and recent security fixes.

  3. Hacker News AI50

    Praex The AI coding agent that answers the question

    Praex is an open source (MIT) AI coding agent for the terminal that reads your codebase, edits files, runs commands, and keeps resumable sessions, usable with your own API key for major providers or with a local model and no Praex account. It installs via a curl script or prebuilt Linux x64 and macOS binaries, supports OpenAI, Anthropic, Gemini, Groq, DeepSeek, Mistral, OpenRouter, xAI and any OpenAI-compatible endpoint, and offers optional hosted Velox, Faber and Lucia tiers. It is a fork of OpenCode that adds stricter permission checks for destructive commands, Remote Control (/rc), persistent memory, and headless runs via praex run and praex serve.

  4. Hacker News AI76

    Open Science: The open-source AI workbench for scientific research

    OpenScience is an open-source research agent, available as a desktop app, browser workspace or CLI, that plans tasks, gathers evidence, runs code and experiments, and returns checkable results with every step visible. It offers shell, Python and R kernels, file access with explicit grants, remote compute, hundreds of bundled scientific skills, and connectors to databases such as ChEMBL, UniProt, PubMed and arXiv, with support for your own API keys, local models or the managed Ace option. It is Apache-2.0 licensed and reports 53/70 (75.7) on Terminal-Bench Science and 82.2 on BiomniBench-DA.

    Why it matters: Useful for researchers weighing an open-source, traceable agent workbench, since it lists concrete capabilities, model-access options and published benchmark scores.

  5. MarkTechPost71

    Vercel Labs Open-Sources agent-desktop for Agent Computer Use

    Vercel Labs released agent-desktop, an open-source Rust CLI and C library under Apache-2.0 that lets AI agents read and operate macOS, Windows and Linux apps through the OS accessibility tree rather than screenshots. Version 1.0.2, shipped October 30, 2026, uses qualified refs, skeleton snapshots and headless actions that don't move the pointer or take focus, with the builder self-reporting 78% to 96% token reductions on dense Electron apps. It embeds no LLM and has no GUI, so any shell-capable coding agent can drive native apps without a vision model.

  6. Hacker News AI58

    Show HN: JJ Suna AI – Open 5B Flow-Matching DiT for 48 KHz Music Synthesis

    JJ coders Group published the terms, privacy, DMCA and AI-ethics framework for Suna AI (suna.jjcoders.com), an open 5B flow-matching DiT for 48 KHz music synthesis whose foundation weights are released as jjcoders/suna-v1. The license grants a worldwide, non-exclusive, perpetual, royalty-free right to use, modify and distribute synthesized instrumental audio for personal and commercial projects, with the service provided "as is" and liability capped at fees paid in the prior 12 months or $100, whichever is less. The documents also cover ephemeral GPU-RAM-only processing of uploaded vocals, GDPR/CCPA rights, a DMCA agent at [email protected], and prohibitions on unauthorized vocal clones under the Tennessee ELVIS Act, BIPA and COPPA.

  7. Hacker News AI58

    Show HN: Archwhere – work alongside AI coding agents on an architecture map

    Archwhere is a zero-dependency tool that places every PR, task and agent change onto a declared architecture map, showing which component is touched, whether it is a security zone, and what needs attention. Agents maintain the map as a condition of merging, with a SKILL.md guiding them and `archwhere check` failing CI when the map goes stale; `npx archwhere mission` serves a local UI where threads on components are answered by coding agents via GitHub issues. It works with Claude or any agent that can see GitHub, and is MIT licensed.

  8. Hacker News AI32

    VX100 and AXM2 Reference for DIY AI Hardware Projects

    This project shares an open-source reference kit for NVIDIA V100 SXM2 carrier-board designs, including pin mappings, two- and four-GPU NVLink connection plans, and connector-only KiCad starters. It provides 800 canonical contacts across connectors A and B, editable KiCad projects, and schematic PDFs, but is a public reference pre-release rather than a hardware-qualified carrier board. The longer-term goal is a reusable open-source board design, with routed boards and manufacturing outputs listed as future work.

  9. Hacker News AI60

    Assure – your AI agent says "done." This checks if it's lying

    Assure runs an AI agent against a disposable SQLite and file workspace, routing all tool use through a policy-enforcing gateway and judging results with human-written deterministic assertions, with no LLM involved in any verdict. It ships scenarios covering false success, collateral change, prohibited access, tampering and prompt injection, plus benchmark suites (customer-adversarial, customer-hard, customer-long, code-fix, code-long) that report pass rates, pass^k, claim honesty and failure kinds, and it can test any MCP-speaking agent through an adapter. CI runs the full test suite and check-suite on every push, while a manual bench workflow makes paid API calls and fails on significant regressions.

  10. Simon Willison58

    dbreunig/nesformer

    Inspired by Divyansh Agrawal's qwenputer, Drew Breunig built a working emulator for the Nintendo Entertainment System 6502 CPU into the weights of Qwen3.5-4B, so NES ROMs such as Super Mario Bros can run inside Qwen, very slowly. In a Hacker News comment he shared the Opus 5.5 prompts he used, which asked the model to explore emulating the chip and RAM with this technique and to build it for fun with weights and a CLI that can be pointed at a ROM. Opus reportedly found and used a collection of NES CPU conformance tests released 15 years ago by Christopher Pow.

  11. Hacker News AI58

    Why my AI agents keep lie-ing? How do we trust?

    dotpals is an open-source (MIT) floating desktop pal that watches coding agents like Claude Code and Codex, checking what they changed, what they ran, and whether tests actually passed, and sending an agent back to fix failing tests before it finishes, commits or pushes. It offers a report card comparing agents' real work, replay and rewind of requests, an MCP server so any AI tool can query what really happened, and a local-only bridge that keeps agent work on your computer.

  12. Hacker News AI58

    Show HN: mobile-agent – Let AI agents control Android and iOS devices

    mobile-agent is an experimental, MIT-licensed tool that drives Android devices and emulators, iOS Simulators and physical iPhones for AI agents, using a daemon that keeps a live mirror of each attached screen to answer snapshots, waits and settle checks without reading the device on every request. On Android a single-dex agent runs as the shell user via app_process with no APK or instrumentation, while on the iOS Simulator input goes through dtuhidd and frames from IOSurface; a physical iPhone needs a signed XCTest runner for its accessibility tree. Its CLI follows agent-browser's command grammar, @eN refs and JSON envelope, and a mobile-agent-mcp server exposes the same tools to MCP clients; nothing is published to crates.io or as a binary yet, so it is built from source.

  13. MarkTechPost71

    Meet TokenEconomizer: Microsoft’s Plugin That Cuts Coding Agent Costs by Up to 30.9%

    Researchers from Microsoft Research and UC Berkeley released TokenEconomizer, an open-source Apache 2.0 plugin that learns per-repository policies from past sessions to reduce waste in coding agents such as Claude Code, Codex, GitHub Copilot CLI and Pi, without touching model weights or agent code. On 277 SWE-Bench tasks it lowered mean cost by 18.4% to 30.9% across five agent-model settings and was cheaper in all 30 repository-setting cells, with Pass@1 improving in four of five settings and dropping 1.0 point on Opus 4.8. It combines micro-skills, tool pruning and failure-loop intervention, and installs with Python 3.10+ while keeping learned data local in ~/.tokeneconomizer.

  14. Hacker News AI58

    EasyRE-Agent – an AI agent that solves crackmes and checks its own answers

    EasyRE-Agent runs an AI agent inside a Docker container with a bundled reverse-engineering toolchain (Ghidra, Detect It Easy, Wine, decompilers for .NET, Python, Java and JavaScript) to solve crackmes and CTF binaries. It supports Claude Code, OpenAI Codex or any OpenAI-compatible API including local models, and only accepts an answer once it passes a regex, success message or custom verifier command. It also offers hint and tutor modes, per-job time and token budgets, resumable jobs, and reports with the answer, solution path, scripts and model stats.

  15. Hacker News AI58

    Gnosh.ai – super intelligent AI that thinks, plans, recalls in Go

    Gnosh is a security-first fork of Charm's Crush coding agent that runs the Gno VM in its harness, keeping goals, findings and facts in a mem realm on your disk so new sessions resume from what is still open. It supports any hosted or local model and sends nothing home unless enabled. The post shows real runs with Qwen3 27B working out an exponential-backoff answer in Gno, planning a multi-session Median task, and recalling updated facts and reminders.

  16. Hacker News AI40

    Open Rock – An open-source AI chat interface

    Open Rock is an open-source chat app that runs as a website or Tauri desktop app and connects to every AWS Bedrock chat model in your region plus your own Gemma servers over HTTPS. It offers per-model settings, file uploads, a usage page with estimated costs, and keeps Bedrock API keys and Gemma tokens in the server process rather than the browser. Setup requires Node 20 or newer, with Docker and desktop build options documented.

  17. Hacker News AI74

    Man Hires Swarm of AI Agents to Go on Epic Hacking Spree Against Major Companies

    A Chinese-speaking cybercriminal used autonomous AI agents built on an open source tool called Cairn to attack more than 100 companies, including John Deere, SharkNinja and Cummins, according to a NorForge researcher cited by Reuters. The hacker deployed agents against over 1,200 e-commerce sites in the US, Canada, Australia and Japan, with successful breaches after about 23 hours of attack and each success costing roughly $50 in tokens. The companies said they took remediation actions or were investigating, and the researcher described the agents' techniques as sophisticated rather than "script kiddie stuff."

Oct 30Fri
  1. Hacker News AI58

    Show HN: Omneum – Local, text-blind context control plane for AI agents

    Omneum is an open-source context control plane that sits between retrieval and generation, using provenance-aware graph inference to estimate source reliability and dependency-adjusted claim support, then selecting original passages under a token budget. It runs locally by default, persisting observations in SQLite or PostgreSQL, and evaluates structured observations without reading source text or calling an LLM judge. The project reports precision gains of 3.02–8.44 percentage points and 14.46–18.51% lower reconstructed-context token usage across BM25, MiniLM, BGE Reranker v2-m3, and Cohere Rerank v4.0 Pro integrations.