产品设计
As TV-tracking app TV Time shuts down, its founder builds Bingers, a new home for fans
The creator of TV Time is building a successor app that will let users import their watch histories and preserve the community that formed around discussing their favorite shows.
AI 资讯
Complete AI Agent Lockdown: 21 Policy Types for Maximum Security
Complete AI Agent Lockdown: 21 Policy Types for Maximum Security Giving an AI agent a wallet without guardrails is like giving a toddler a credit card — technically functional, potentially catastrophic. If you're building AI agents that interact with crypto wallets, the security model you choose isn't an afterthought. It's the difference between a useful autonomous system and one that drains your funds on a bad inference. This post is about exactly how WAIaaS handles that problem. Not vague promises about "enterprise-grade security" — specific mechanisms, specific policy types, and specific code you can run today. The Actual Risk Model Let's be honest about what can go wrong when you give an AI agent wallet access: The agent misinterprets a prompt and sends funds to the wrong address A compromised session token gets used by an attacker The agent executes a DeFi action with parameters outside your intended range Gas fees spike and the agent submits transactions at costs you'd never accept manually The agent approves an unlimited token allowance to a contract you didn't vet None of these require a malicious agent. They can all happen with a well-intentioned model operating outside the boundaries you forgot to define. The solution isn't to avoid giving agents wallet access — it's to define exactly what they're allowed to do, and nothing more. WAIaaS approaches this with three distinct security layers, a default-deny policy engine with 21 policy types across 4 security tiers, and multiple channels for human approval when transactions exceed your defined thresholds. Layer 1: Authentication — Three Separate Keys for Three Separate Roles The first layer is role separation. WAIaaS uses three authentication methods that map to three distinct principals: masterAuth (Argon2id) — The system administrator role. Creates wallets, manages sessions, configures policies. This credential never touches the agent. sessionAuth (JWT HS256) — The AI agent's credential. Scoped to a specific
AI 资讯
Real-Time AI Observability: Dashboards That Show Actual Database Rows
Real-Time AI Observability: Dashboards That Show Actual Database Rows Discover how TormentNexus shatters the status quo by rendering real SQLite rows in your agent monitoring dashboards—no mock data, no synthetic graphs. Learn why live database visibility is the cornerstone of effective debugging AI workflows and how our real-time dashboard exposes every query, state, and anomaly as it happens. Why Mock Data Undermines Debugging AI Every developer has experienced the disconnect: a polished dashboard displays smooth latency curves and flawless agent trajectories, yet the underlying system is silently generating corrupted embeddings or leaking PII into production logs. Traditional observability platforms—Datadog, Grafana, New Relic—aggregate metrics into averages, percentiles, and precomputed time series. They intentionally discard raw row-level data to conserve storage and processing. This works fine for server uptime or HTTP status codes, but for AI agent monitoring, it’s a catastrophic abstraction. Consider a LangGraph agent processing user queries against a SQLite knowledge base. A mock-data dashboard would show "3,200 rows processed per minute" and "95% query success rate." But what if 12% of those "successful" queries return stale or hallucinated responses because a background thread silently reindexed tables without updating vector hashes? With aggregate metrics alone, you’d never know. You’d see a green status indicator while your AI feeds garbage to users. That’s the reality of debugging AI without raw row visibility. TormentNexus solves this by exposing every INSERT, UPDATE, and DELETE that occurs within your SQLite databases—in real time. Our real-time dashboard doesn’t poll for snapshots. It streams row-level mutations directly from WAL (Write-Ahead Log) files, giving you the exact data your agents are producing, not a statistically smoothed version. How TormentNexus Streams Live Database Rows Under the hood, TormentNexus leverages SQLite’s built-in replic
AI 资讯
MCP Protocol Deep-Dive: How Tool Discovery Actually Works Under the Hood
MCP Protocol Deep-Dive: How Tool Discovery Actually Works Under the Hood Uncover the mechanics of Model Context Protocol (MCP) tool discovery—from JSON-RPC handshake to progressive injection. A technical walkthrough of capability negotiation and dynamic endpoint enumeration with real code examples and traffic flow analysis. The Handshake That Sets the Stage: JSON-RPC Initiation Tool discovery in MCP doesn't start with a simple “list tools” call. It begins with a structured JSON-RPC 2.0 handshake that negotiates protocol version, transport layer, and supported extensions. The client (e.g., an agent or IDE) sends an initialize request with its capabilities object, including fields like supportsToolDiscovery and maxToolCount . The server responds with its own capabilities, and only after this mutual agreement does the real enumeration begin. Real-world implementations—like those in the official MCP SDKs—use a ClientCapabilities struct that flags whether the client can handle dynamic tool lists, streaming updates, or batch discovery. For instance, a lightweight edge agent might set supportsToolDiscovery: false , forcing the server to pre-bundle tools into the initial handshake, while a full-featured IDE sends supportsToolDiscovery: true with a maxToolCount: 50 to throttle large tool registries. // Example initialize request (client → server) { "jsonrpc": "2.0", "id": 1, "method": "initialize", "params": { "protocolVersion": "2024-11-05", "capabilities": { "supportsToolDiscovery": true, "maxToolCount": 50, "supportsStreaming": false } } } The server responds with its own capabilities—advertising tool discovery endpoints, supported JSON-RPC methods, and any custom extensions. This two-way handshake ensures both sides speak the same dialect before a single tool name is exchanged. Tool Enumeration: Beyond the “listTools” Metho Once handshaken, the client issues a tools/list call—but the real depth lies in pagination and chunking. A production MCP server with hundreds of too
AI 资讯
Beyond Synchronous Hell: Why Your Multi-Agent System Needs an Event-Driven Backbone
Beyond Synchronous Hell: Why Your Multi-Agent System Needs an Event-Driven Backbone Explore how event-driven architecture (EDA) transforms multi-agent coordination. Learn to build a Pub/Sub backbone where Planner, Implementer, and Critic agents stay synchronized without blocking—using the Swarm event bus for async AI patterns in production. The Synchronization Crisis in Multi-Agent Systems Every developer who has scaled a multi-agent system beyond two agents has hit the same wall: synchronous calls create deadlocks, timeouts, and cascading failures. Imagine a Planner agent dispatching tasks to five Implementer agents while a Critic agent evaluates output in parallel. In a naive request-response system, the Planner blocks until every Implementer returns—and the Critic can't even start until the Planner finishes its orchestration loop. Latency compounds, memory pressure spikes, and a single slow agent halts the entire pipeline. In production benchmarks at TormentNexus, we observed that synchronous coordination between just three agents increased end-to-end latency by 340% compared to an event-driven equivalent. The root cause? The Planner spent 78% of its time waiting on I/O—listening for responses instead of doing actual work. This is where event-driven AI (EDA) becomes not just an optimization, but a necessity. The Pub/Sub Pattern: Decoupling Agents with an Event Bus Event-driven architecture inverts the control flow. Instead of one agent calling another, agents publish events onto a shared bus (the Swarm event bus) and subscribe to the events they care about. The Planner doesn't wait—it emits a "TaskAssigned" event and immediately moves on to the next task. Implementer agents pick up tasks asynchronously, and the Critic monitors a "TaskCompleted" stream without ever polling the Planner. // Example: Swarm event bus subscription for a Critic agent const eventBus = new SwarmEventBus(); eventBus.subscribe('TaskCompleted', async (event) => { const { taskId, implementati
AI 资讯
Anthropic starts localizing Claude pricing for India, its biggest market after the US
Claude users in India are starting to see Indian rupee-denominated subscription plans.
AI 资讯
Skip LinkedIn/Indeed: most companies' job boards have a public JSON API
If you've ever tried to pull job listings by scraping LinkedIn or Indeed, you know the pain: anti-bot systems, CAPTCHAs, rotating proxies, and scripts that silently break every few weeks. Here's the thing — you usually don't need any of that. Companies don't post jobs on LinkedIn first. They post them in their ATS (Applicant Tracking System) — Greenhouse, Lever, Ashby, Workday, etc. — and most ATS platforms expose the company's board as a public JSON endpoint . No key, no login, no browser. It's the company's own source of truth, so it's cleaner and fresher than any aggregator. The endpoints A few that work with a plain GET ( {company} = the company's slug): Greenhouse — https://boards-api.greenhouse.io/v1/boards/{company}/jobs?content=true Lever — https://api.lever.co/v0/postings/{company}?mode=json Recruitee — https://{company}.recruitee.com/api/offers/ Breezy HR — https://{company}.breezy.hr/json SmartRecruiters, Ashby, BambooHR and Personio have their own equivalents. Workday is the one annoying exception — it's a POST and needs the full board URL (tenant + datacenter + site), so you can't guess it from a bare company name. Example: pulling Stripe's open roles (Python) Stripe uses Greenhouse: import requests company = " stripe " url = f " https://boards-api.greenhouse.io/v1/boards/ { company } /jobs?content=true " jobs = requests . get ( url ). json ()[ " jobs " ] for j in jobs [: 5 ]: print ( j [ " title " ], " — " , j [ " location " ][ " name " ]) That's it. No Selenium, no proxy, no CAPTCHA solver. Runs in ~200ms and won't break next Tuesday because Cloudflare changed something. Auto-detecting the ATS If you don't know which ATS a company uses, just try them in order and take the first one that returns jobs. A bare 404 means "not this ATS, try the next." Greenhouse → Lever → Ashby → SmartRecruiters → Recruitee → Breezy covers a huge chunk of tech companies. Gotchas Rate limits are lenient but real — be polite, set a User-Agent . Descriptions : Greenhouse/Leve
AI 资讯
The Solana Program Security Checklist I Wish I'd Had on Day One
I spent the last two weeks thinking like an attacker. I wrote tests whose only job was to make my own programs fail. I ran a fuzzer across thousands of generated inputs looking for the lamport value nobody would choose by hand. And I rebuilt the missing owner check that was at the center of the $326M Wormhole exploit, in a throwaway program, in a test, so I could watch it work and then watch the one-line fix stop it cold. This checklist is what I would hand to past me on day one of that work. Run it top to bottom before any Anchor program goes to mainnet. Who this is for You are writing Solana programs in Anchor. You understand accounts, PDAs, and CPIs. You have read the Anchor docs. What you do not yet have is a systematic way to check that you have not missed the failure modes that are specific to Solana's runtime, an account model where any account can be passed into any instruction, arithmetic that wraps silently in release builds without protection, and cross-program calls that trust whatever program ID you hand them. This checklist is that systematic check. It is not a substitute for a professional audit on high-value programs. It is the thing you run before you even consider requesting one. The Wormhole anchor Before the list, the story that explains why account validation sits at the top. In February 2022, an attacker drained $326M from the Wormhole bridge. The root cause was a single deprecated function, load_instruction_at — that read a sysvar account's contents without first checking that the account was actually the real instructions sysvar. The attacker passed in a forged account they controlled. The program read it, trusted it, and authorized a mint it should have refused. The fix was a single word: switch to load_instruction_at_checked , which verifies the account's address before reading it. Every item in this checklist traces back to that same principle: never read an account's contents until you have confirmed its identity. The items below are just
AI 资讯
Apple's rumored M7 Ultra targets 1.5TB and Blackwell-class AI performance
AI 资讯
Building an Agentic FinOps Platform — Development Environment Setup, Google Antigravity, MCPs and Skills, and ADK Bootstrapping with Agents CLI
TL;DR — This article is going to be jam-packed with useful information, tips, tricks and hacks for setting up an agentic development in the Google ecosystem. This one isn’t really about the FinOps! Welcome to Part 2 Welcome back, friends! In the first part , I described the purpose of the FinSavant FinOps solution, the motivation for creating it, its overall architecture and tech stack, and how it works. In this part, we’ll use FinSavant as a case study in how to set up a development environment for the purposes of building such an ADK-based agentic solution. Even if you’re not particularly interested in FinSavant itself, I hope you’ll find a bunch of useful information and tips here that will help you build your own agentic solutions more effectively and quickly. We’ll cover: Using Antigravity IDE Overall project workspace structure Setting up agent skills for your coding agent My project’s GEMINI.md (or if you prefer, AGENTS.md ) My documentation approach Setting up MCP servers for your coding agent, such as BigQuery MCP Scaffolding the initial ADK agent using Google Agents CLI and its supporting skill Getting started with a Makefile Sound good? Let’s get cracking! Series Orientation Let’s see where we are in this series. Goals, Architecture, and Tech Stack: Capabilities, project goals, target architecture, technology stack, and design decisions. Development Environment Setup, Google Antigravity, MCPs and Skills, and ADK Bootstrapping with Agents CLI 📍 You are here. Building the ADK Agent and API Designing and Building the UI with Google Stitch and A2UI Deployment with Gemini Enterprise Agent Platform, Agent Runtime, Cloud Run and IAP Automating Deployment with CI/CD and Terraform Agent Observability, Evaluation, and Tuning with Gemini Enterprise Agent Platform Getting Started with Antigravity IDE These days, my favourite coding environment for any significant project is Antigravity IDE. This is Google’s agent-first integrated development environment. You get a lo
开发者
Test How hard to love you?
开发者
Why Am I Left-Handed?
开发者
LAPD lets contract with surveillance giant Flock expire
安全
Now, defenders are embracing the prompt injection, too
"Context bombing" tricks hacking agents into shutting down before they can do harm.
开发者
Lessons Learned from CISA’s Recent GitHub Leak
The Cybersecurity and Infrastructure Security Agency (CISA) has issued a postmortem on a data leak in which a contractor published dozens of internal CISA credentials -- including AWS Govcloud keys -- in a public GitHub repository for almost six months before being notified by KrebsOnSecurity. Experts say the gaps identified in the agency's initial response provide important lessons that all security teams should absorb.
AI 资讯
Even Nvidia’s head of automotive fights with Nvidia for compute
Today, I’m talking with Xinzhou Wu, who is the head of automotive at Nvidia. Nvidia is obviously in the news constantly because of the AI boom — it’s one of the most valuable companies in the world, because the AI industry can’t get enough of the company’s GPUs. But Nvidia is also a key supplier […]
开发者
The art and engineering of Sega CD Silpheed
AI 资讯
The Asus ROG Flow Z13 gaming tablet with 64GB RAM is down to $2,100
Almost all gaming laptops have gone up in price over the past year. Curiously, the surprisingly fast Asus ROG Flow Z13 gaming laptop/tablet combo has not. It’s actually gotten quite a bit cheaper recently. Best Buy has the lowest price on the configuration that includes the AMD Ryzen AI Max Plus 395 “Strix Halo” chipset, […]
开发者
Dell sued by Finnish company over $70M price increase for data centre servers
AI 资讯
Show HN: Hackney – Compare Uber, Lyft, Waymo, and Robotaxi Prices
I created an app that compares real-time prices and wait times across Uber, Lyft, Waymo, Tesla Robotaxi, Curb, and Empower. It shows you all ride options in one list, then once you’re ready to book, it deeplinks you to the provider’s app with the route pre-filled. Edit: Here's a demo video: https://www.youtube.com/watch?v=VV8PEAjxwQI I reverse-engineered ride-hailing mobile apps to understand how they fetch prices from their servers. You sign in to my app with your ride-hailing accounts, and the