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A nova fase dos agentes de IA: menos chat, mais operação
A nova fase dos agentes de IA: menos chat, mais operação. A OpenAI apresentou o Presence, uma plataforma para empresas implantarem agentes de voz e chat em atendimento ao cliente e fluxos internos. Para quem desenvolve sistemas, o ponto não é apenas colocar mais um chatbot em produção. A mudança relevante é tratar a IA como uma camada operacional: ela precisa participar de processos reais, com objetivos claros e resultados verificáveis. Um agente confiável precisa de mais do que boas respostas. Precisa receber o contexto certo, operar dentro de permissões bem definidas, deixar rastros auditáveis e saber quando transferir o caso para uma pessoa. Isso altera a decisão técnica. Escolher um modelo continua importante, mas arquitetura, integrações, observabilidade, avaliação contínua e governança passam a fazer parte do mesmo problema. A pergunta mais útil deixa de ser “onde podemos colocar IA?” e passa a ser: qual processo já está pronto para ser redesenhado com um agente de confiança? Fonte oficial: https://openai.com/index/introducing-openai-presence
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Article: The Self-Building Agent: A LangChain4j Experiment
The article discusses an experiment where a code assistant had to design an agentic system using LangChain4j documentation. The assistant created a coding framework capable of writing, testing, and debugging code autonomously. Results showed that two architectural patterns—supervisor and workflow—offered different trade-offs between flexibility and execution speed during debugging tasks. By Kevin Dubois, Mario Fusco
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AI Agent Egress Proxy: Stop Tool Calls From Leaking Data
When an AI agent leaks data, it may not look like a breach at first. It may look like a normal tool call, a helpful API request, or a browser fetch that quietly sends the wrong payload to the wrong place. That is the uncomfortable part for builders: prompt safety can warn you about intent, but only the network boundary can stop bytes from leaving. If your product lets agents call APIs, browse pages, use MCP tools, fetch files, or run long workflows, you need a simple rule: agents should not have open internet access by default. They should pass through an egress proxy that can inspect, block, gate, and log every outbound action. Why this topic matters now Agent workflows are moving from demos into real development environments. Recent practitioner signals point in the same direction: CLI coding agents are becoming normal, MCP-style tool access is spreading, long-running agents need better harnesses, and teams are under pressure to prove AI ROI instead of just shipping impressive demos. That creates a new risk shape. Traditional backend code usually makes predictable network calls. You know the service, endpoint, payload shape, and permission model before deploy. AI agents are different. They choose tools at runtime. They read untrusted context. They may summarize a page, then call an API, then write to a ticket, then fetch a package, then retry with modified arguments. What is an AI agent egress proxy? An AI agent egress proxy is a controlled outbound layer between your agent runtime and the outside world. Instead of letting the agent process connect directly to any domain, the agent routes outbound traffic through the proxy. The proxy checks each request against policy before it leaves your environment. A minimal mental model: Agent runtime -> Egress proxy -> Approved external services | +-> policy checks +-> secret scanning +-> SSRF protection +-> approval gates +-> audit logs The proxy does not need to be magical. It needs to be boring in the best way: determinis
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Indirect Prompt Injection Exploits GitHub's AI Agent to Leak Private Repository Data
GitLost is a prompt-injection exploit discovered by Noma Security that tricks GitHub's new Agentic Workflows into leaking private data. By embedding concealed instructions within public GitHub issues, attackers can circumvent security safeguards and induce AI agents to reveal confidential information in public comments. By Sergio De Simone
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AI arms race in line for a reckoning after OpenAI hacking incident
Aggressive training techniques sharpens threat of bad behavior by leading models.
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Divergence escalates the wrong population: unanimous misses auto-pass
Divergence escalates the wrong population: unanimous misses auto-pass Agent Determinism Illusions (Part 7) Where this fits: This part does not continue Part 13's probe-vs-prose thread. It returns to Part 6 's L2→L3 escalation rule — Dipankar's move of treating vote disagreement as the human-review signal. Alexey Spinov's follow-up comment says that signal points at the wrong population. Two experiments check whether he is right, and what to put in the tripwire instead. Part 6 drew this control flow: L2 multi-perspective votes │ unanimous ──────────► AUTO-PASS / AUTO-REJECT │ divergence (e.g. 2–1) ► L3 human The caveat was already in the text: divergence measures ambiguity; it does not fix unanimous systematic bias. Alexey's point is sharper — and it is about routing , not about another caveat paragraph. 1. Alexey's population mismatch On the Part 6 thread, Alexey Spinov wrote (paraphrased tightly): The dangerous failures are high-confidence and directional — systematic. Systematic bias is shared across prompts, not idiosyncratic (your own P3: majority voting doesn't fix it). So the three perspectives will tend to agree on exactly those cases. Divergence-to-human then routes you the safely-ambiguous ones and auto-passes the confidently-wrong ones. The escalation signal is pointing at the wrong population. He proposed two cheap replacements: T1 — deterministic tripwire on known-reversal classes (escalate regardless of agreement). T2 — treat unanimous + high-confidence on a historically reversal-prone class as escalate — the inverse of “high confidence, auto-pass.” That is the claim under test. Not “divergence is useless,” but “divergence alone is the wrong primary tripwire for the failure mode you already measured.” 2. Experiment A — offline proxy on DF v2 (no new API) Part 6's Mike Update already showed: of 96 DF v2 MISS runs, 95.8% sat at self-reported confidence ≥ 0.9 (avg 0.969). That mass is concentrated — Part 6 also reported ~80% of MISS runs from qwen3:0.5b —
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AI Agents Inside CI/CD: How We Automated PR Triage and Reduced Review Bottlenecks
Over the past few months, I've been exploring how AI agents can fit into a modern CI/CD pipeline—not to replace engineers, but to eliminate repetitive work that slows teams down. Here's what worked well: ✅ Automatically categorized incoming pull requests ✅ Flagged potential security and dependency issues ✅ Suggested fixes for linting and test failures ✅ Generated review summaries for faster code reviews ✅ Reduced context switching for reviewers The biggest lesson? AI is most valuable before the human review begins. The Problem Every engineering team eventually runs into the same issue. Developers submit pull requests faster than reviewers can process them. A typical PR often goes through several repetitive steps: CI builds Unit tests Linting Dependency checks Security scanning Style comments Reviewer assignment Documentation validation None of these tasks require deep architectural thinking, yet they consume valuable engineering time. I started wondering: What if an AI agent handled the first round of triage automatically? The Workflow Instead of waiting for a human reviewer, the pipeline lets an AI agent inspect every pull request immediately after CI starts. Developer │ ▼ Pull Request Created │ ▼ CI Pipeline Starts │ ▼ AI Agent ├── Analyze changed files ├── Review commit summary ├── Detect risky changes ├── Check coding standards ├── Explain failing tests ├── Suggest fixes └── Generate PR summary │ ▼ Human Review By the time a reviewer opens the PR, much of the routine analysis is already complete. Example GitHub Actions Workflow A simplified workflow might look like this: name: AI Pull Request Review on: pull_request: types: [opened, synchronize] jobs: ai-review: runs-on: ubuntu-latest steps: - uses: actions/checkout@v4 - name: Run Tests run: npm test - name: Run Linter run: npm run lint - name: AI PR Analysis run: ./scripts/ai-review.sh The AI step can analyze: Test failures Lint violations Changed files Security findings Dependency updates before publishing a r
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Enterprise architects: your overdue Entra decision is an agent CSA schema
If you are an enterprise architect working on Microsoft Entra and AI agents, your first overdue job is not another policy wizard, another dashboard, or another governance steering committee. It is schema design. Specifically, it is deciding how you classify non-human identities with custom security attributes in Microsoft Entra . Not eventually. Up front. I keep seeing the same pattern across customers of every size: teams move quickly on agent experimentation, they onboard identities, they test controls, and then they realize they have no consistent attribute language for policy scope. At that point, every policy becomes a naming convention problem in disguise. That is backwards. The control plane starts with classification Custom security attributes are not decorative metadata. They are tenant-scoped key-value classifications you can assign to users, enterprise applications (service principals), and agent identities that are modeled as a service principal subtype, with dedicated role and permission boundaries for who can define and assign them ( overview , Graph model , agent identity service principal model ). That alone should change how architects think about them. This is not "nice to have taxonomy." This is policy input. Microsoft Entra Conditional Access for agents supports attribute-driven targeting with custom security attributes, and policy evaluation happens during token issuance and refresh, not just at policy authoring time ( Conditional Access for agents ). In other words: if your classification is sloppy, your runtime decisions are sloppy. Why agents raise the stakes You can say "an agent identity is still a service principal" and be technically correct. Microsoft Entra Agent ID is built on service principal infrastructure ( agent identities, service principals, and applications ). You can also miss the point. Agent identity introduces a blueprint-centered model where one blueprint can represent many agents, where blueprint-level policy decisions can
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My requirements.txt Is Pinned. My MCP Server's Actual Contract Isn't, and Nothing Would Catch It Changing.
Back on 2026-07-14 I found and fixed a real landmine in this repo: requirements.txt had mcp[cli] with no version constraint at all. Any fresh install could pull in a breaking major version with zero warning. I pinned it to mcp[cli]>=1.28.0,<2.0.0 and moved on, feeling like I'd closed the gap. I hadn't. I'd only pinned the library . The actual contract my MCP server exposes to any agent that connects to it — the tool names, parameter shapes, and descriptions an LLM reads to decide how to call my code — isn't a version string anywhere. It's generated fresh, every time the server boots, from whatever my function signatures and docstrings happen to say at that moment. Nothing pins that. Nothing diffs it. Nothing tests it. What actually generates the contract My server ( server.py ) is a FastMCP app with plain @mcp.tool() -decorated functions: @mcp.tool () def create_article ( title : str , body_markdown : str , tags : list [ str ] = None , published : bool = False ) -> dict : """ Create a new DEV.to article. Returns id and url. """ payload = { " article " : { " title " : title , " body_markdown " : body_markdown , " published " : published }} if tags : payload [ " article " ][ " tags " ] = tags result = _dev ( " /articles " , method = " POST " , data = payload ) return { " id " : result [ " id " ], " url " : result . get ( " url " ), " published " : result . get ( " published " )} FastMCP inspects that signature at import time and builds the JSON Schema an agent actually sees — parameter names, types, which ones are required, and the docstring as the tool's description. I never write that schema by hand and I never check it in anywhere. It's derived, every run, from source that I edit for completely unrelated reasons. That's the gap. requirements.txt pinning stops FastMCP's own behavior from shifting under me between installs. It does nothing about my behavior shifting the schema FastMCP generates from my code, on every single commit, with no separate review step. Where
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用 FROST 家族治理模型,构建你的「AI 第一性原理」
用 FROST 家族治理模型,构建你的「AI 第一性原理」 作者 :神通说 日期 :2026-07-23 主题 :双项目联动 | 周四代码教程 阅读时间 :12分钟 前言:为什么你需要「第一性原理」? 埃隆·马斯克推崇「第一性原理」思维——从物理学的最基本定律出发,而不是类比他人的做法。 在 AI Agent 开发领域,大多数人都在用 LangChain、CrewAI、AutoGen 这些现成框架。它们很好用,但你是在用别人的「家族结构」,而不是理解为什么需要家族结构。 FROST 的目标是让你从第一性原理理解 AI Agent: 为什么需要治理结构?为什么需要记忆传承?为什么需要层级分工? 然后,FROST-SOP 帮你把第一性原理变成可运行的系统。 一、从细胞分裂看 AI Agent 本质 想象一个细胞分裂的场景: ┌─────────┐ │ 细胞 │ ← 拥有细胞核(记忆)、蛋白质(能力) └────┬────┘ │ 分裂 ┌────┴────┐ │ 细胞A │ │ 细胞B │ ← 各自独立,但共享DNA └─────────┘ └─────────┘ FROST 的四个原子就是生命的四个基本元素: 原子 生命类比 技术实现 Store 细胞核 记忆容器,持久化状态 Skill 蛋白质 无状态能力单元 Agent 细胞膜 包裹 Store + Skills 的执行单元 SOP DNA 序列 有序的操作指令集 # FROST 的最小可用示例:50行代码理解 Agent 本质 from frost.core import Store , Agent , skill_set , skill_get , skill_del # 1. 创建记忆容器 store = Store () # 2. 定义能力(蛋白质) skills = { " set " : skill_set , # 存记忆 " get " : skill_get , # 取记忆 " del " : skill_del # 删记忆 } # 3. 创建 Agent(细胞) agent = Agent ( " my_cell " , store , skills ) # 4. 定义 SOP(DNA 序列) sop_steps = [ " set " , # 存一个值 " get " , # 读回来 " del " # 删掉 ] # 5. 运行 result = agent . run ( sop_steps = sop_steps , initial_context = { " key " : " name " , " value " : " FROST " } ) print ( result [ " _result " ]) # 输出: "FROST" 这 50 行代码展示了 FROST 的核心: Agent = Store + Skills + SOP 。 二、为什么需要「家族」?从独居细胞到多细胞生物 单细胞生物可以独立存活。但复杂生命需要多细胞协作——肝脏细胞、心脏细胞、神经细胞各有分工,协同维持生命。 AI Agent 也是如此。简单任务一个 Agent 够了,但复杂系统需要多 Agent 协作。 FROST 的家族模型: ┌─────────────────────────────────────────────────────┐ │ 君主(Human Agent) │ │ 最高决策者,只发布任务不看执行 │ └─────────────────────────────────────────────────────┘ │ ▼ ┌─────────────────────────────────────────────────────┐ │ 祖辈(Ancestor) │ │ 全局编排、宪法定义、任务拆分、资源分配 │ │ ⚠️ 不亲自执行,只做调度 │ └─────────────────────────────────────────────────────┘ │ ┌─────────────┼─────────────┐ ▼ ▼ ▼ ┌──────────┐ ┌──────────┐ ┌──────────┐ │ 斥候 │ │ 斥候 │ │ 斥候 │ │ (侦察) │ │ (侦察) │ │ (侦察) │ └────┬─────┘ └────┬─────┘ └────┬─────┘ │ │ │ ▼ ▼ ▼ ┌──────────┐ ┌──────────┐ ┌──────────┐ │ 府兵 │ │ 府兵 │ │ 府兵 │ │ (执行) │ │ (执行) │ │ (执行) │ └──────────┘ └──────────┘ └──────────┘ │
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The best config in your bake-off didn't win. Selection did.
Best-of-K eval selection bias: pick the highest-scoring config from K candidates on one eval set and that observed score is biased up. It reports the expected maximum of K noisy estimates, which beats the field mean whenever K exceeds one. The bias appears even when all K configs are truly equal, grows with K, and shrinks with n. Here is the version that bites you. Your bake-off ran a batch of prompts against one eval set, the top one came out ahead, and you shipped it. In production it does worse. That drop reads like bad luck, or drift, or a bad week. It is none of those. It is a number you could have computed before you shipped, and it gets larger the more candidates you tried. I ran a small script to make the gap concrete. Eight configs, one hundred eval items, and here is the catch: I made all eight configs truly identical , every one a fair coin at 50%. There is no real best. Nothing to tune. Then I let selection pick a winner anyway: config 0: 47/100 = 47.0% config 1: 50/100 = 50.0% config 2: 52/100 = 52.0% config 3: 52/100 = 52.0% config 4: 50/100 = 50.0% config 5: 50/100 = 50.0% config 6: 54/100 = 54.0% <- selected winner (argmax) config 7: 44/100 = 44.0% config 6: 54.0% (k=54 n=100 SE=4.98) config 2: 52.0% (k=52 n=100 SE=5.00) RANK: INDISTINGUISHABLE - gap 2.00 pp against 7.06 pooled SE = 0.28 SE < 2.0. Ranking "config 6" above "config 2" is NOT allowed. Held-out the winner on a fresh 100 items: 48/100 = 48.0%. Config 6 wins the bake-off at 54.0%. Then I asked the same eval-guard I use in the McNemar and rule-of-three pieces to rank config 6 against the runner-up. It refused: the gap is 0.28 SE, far under the two-SE bar, so INDISTINGUISHABLE . The ranker would not call config 6 the best. Selection did. And on a fresh held-out set the 54.0% falls back to 48.0%, toward the true 50% it was always going to be. TL;DR Picking the best of K configs by observed pass rate reports the expected maximum of K noisy estimates. The max of K exceeds the field mean, strict
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Pillar research says the AI coding agent sandbox leaks through trusted files
Pillar Security's latest research says AI coding agents can be pushed to act outside their sandbox through files and tools they were told to trust, and the operational read for anyone wiring one of these into CI/CD is straightforward: an agent invocation now behaves closer to a build runner reaching your production plane than to a chat window. DevOps.com's Jeff Burt covered the work on July 22. The researchers demonstrated multiple sandbox-bypass techniques and a parallel class of prompt-injection attacks embedded in READMEs, code comments and dependencies, per the DevOps.com writeup. OpenAI, Google and Cursor have patched several of the reported flaws. Pillar's argument, as summarised there, is that the injection surface reaches every file the agent trusts on the way to the model's prompt, and every tool it can call on the way back. What the sandbox actually covered None of this is entirely new to anyone who has already read Cyberhaven Lab's May note that adoption of AI coding agents is outpacing the security tools built to protect them. What Pillar adds is a concrete demonstration of the gap. A coding agent asked to do a legitimate job can be steered to take actions outside its supposed security boundary through content that arrives on paths the sandbox was not asked to police. Those are the same paths your CI already fetches for you: dependency manifests, README files, the code comments the model reads as context. That surface has been named before. HalluSquatting and GhostApproval, both referenced in the DevOps.com piece, already gave teams a taxonomy for how AI-adjacent supply-chain attacks reach developers and their tools. Pillar's research is the sandbox counterpart. Same theme, one layer deeper into the runtime. The pipeline read Two things fall out for anyone who owns a runner fleet. First, the agent's identity, network scope and filesystem access have to be tighter than the developer who invoked it, not looser. Second, a patched-vendor list is not a covera
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AutoGen's hidden token tax: why a 3-agent chat costs 15 what you expect
AutoGen's hidden token tax: why a 3-agent chat costs 15× what you expect Cost-audit series, episode 2. This series began with an AI agent that burned 136M tokens overnight → . AutoGen is Microsoft's multi-agent framework. It's genuinely good at orchestrating agents that hand off work to each other. But its default memory model has a cost shape that surprises almost every team that hits it in production. This audit shows you exactly where the tokens go, with line numbers. The setup: a 3-agent RoundRobin chat The canonical AutoGen pattern is a RoundRobinGroupChat with N agents taking turns on a task. Here's the minimal version from the docs: from autogen_agentchat.agents import AssistantAgent from autogen_agentchat.teams import RoundRobinGroupChat from autogen_agentchat.conditions import MaxMessageTermination planner = AssistantAgent ( " planner " , model_client = client , system_message = " You plan. " ) coder = AssistantAgent ( " coder " , model_client = client , system_message = " You code. " ) reviewer = AssistantAgent ( " reviewer " , model_client = client , system_message = " You review. " ) team = RoundRobinGroupChat ( [ planner , coder , reviewer ], termination_condition = MaxMessageTermination ( max_messages = 10 ), ) await team . run ( task = " Build a web scraper for Hacker News. " ) Three agents, 10 turns total (~3–4 turns each). Seems cheap. It isn't. The default context: unbounded, per-agent Every AssistantAgent gets its own UnboundedChatCompletionContext by default: # autogen-agentchat/src/autogen_agentchat/agents/_assistant_agent.py, __init__ (L708) if model_context is not None : self . _model_context = model_context else : self . _model_context = UnboundedChatCompletionContext () source UnboundedChatCompletionContext.get_messages() returns self._messages — the full list, no cap, no truncation: # autogen-core/.../model_context/_unbounded_chat_completion_context.py (a ~20-line file) async def get_messages ( self ) -> List [ LLMMessage ]: """ Get at most
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The Dirty Secret Behind AI Agents (Demo 🚀)
For quite a while now, I've had the feeling that AI agents are surrounded by this mystical aura....
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building enterprise multi-agent workflows in .net with mistral
most people know Mistral for its chat models. the part i find more interesting for enterprise work is the Agents API : persistent agents with instructions and tools, stateful conversations you can resume, built-in connectors (web search, code interpreter, document library), and handoffs so one agent can delegate to another. the .net story stops short of this. the community sdks (tghamm's is genuinely good) cover chat completions, embeddings and function calling. they don't cover the agentic layer. so if you're a .net shop that wants to build a multi-agent workflow on mistral, you're writing raw http. i didn't want to, so i built Mistral.Agents.Net . here's the design and the one wire-format detail that cost me a debugging session. agents, not just completions a chat completion is stateless: you send messages, you get a reply, you manage all the history yourself. an agent is a stored object with instructions and tools, and a conversation is a stateful thread you can continue by id. that difference matters for enterprise workflows, where a "session" spans many turns and you want the platform to hold the state. var agent = await client . CreateAgentAsync ( new CreateAgentRequest { Model = "mistral-medium-latest" , Name = "Financial Analyst" , Instructions = "Use the code interpreter for math and web search for current facts." , Tools = { AgentTool . CodeInterpreter (), AgentTool . WebSearch () }, }); using var turn = await client . StartConversationAsync ( new StartConversationRequest { AgentId = agent . Id , Inputs = "what was 15% of last quarter's revenue if it was 12.4M?" , }); Console . WriteLine ( turn . OutputText ); the response isn't a single message. it's a list of outputs: tool executions, message chunks, function calls, handoffs. the library gives you OutputText for the common case and Outputs for the raw stream, plus a Root JsonElement escape hatch for anything the typed model doesn't cover yet. same philosophy i used for the serpapi and elevenlabs clients:
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Understanding Middleware in Deep Agents (With Runnable Examples)
If you've built even a simple AI agent, you've probably noticed that the "agent loop" itself is deceptively simple: the model gets a message, decides whether to call a tool, gets the result back, and repeats until it has an answer. But real-world agents need a lot more than that bare loop to actually work well. What happens when a conversation gets so long it blows past the model's context window? What if a tool call gets interrupted halfway through and leaves your message history in a broken state? What if you want the agent to keep a running todo list of what it's working on, or delegate parts of a task to a specialized sub-agent, or read and write files as part of its job? You could bolt all of this onto your agent manually. Or, if you're using Deep Agents, you get most of it for free through something called middleware . This post walks through what middleware actually is, why Deep Agents ships with a default stack of it, and how each piece behaves, with runnable code for each one so you can see it working instead of just reading about it. So What Is Middleware, Really? If you've done any web development, the term "middleware" probably already rings a bell. It's the same idea here. Middleware is code that sits around the core agent loop and gets a chance to run before or after certain things happen, like before a tool call executes, after the model responds, or right before messages are sent to the model. Instead of writing all of this logic directly inside your agent, you attach separate, independent pieces of middleware that each handle one specific concern. This matters for two reasons: You don't have to build common behaviors from scratch. Things like managing a todo list, summarizing long conversations, or handling file access are problems almost every non-trivial agent runs into. Deep Agents ships default middleware for these so you don't reinvent them every time. You can customize behavior without touching the agent's core logic. Need a custom summarizati
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Anthropic Details How It Contains Claude Across Web, Code, and Cowork
Anthropic detailed the containment architectures it uses for Claude across its products. It argues that agent safety depends on placing deterministic limits on an agent’s filesystem, network, and execution environment rather than on permission prompts or safeguards. Most notably, it examines failures at trust boundaries and along permitted egress paths that led Anthropic to revise those designs. By Eran Stiller
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Presentation: From Copy-Paste to Composition: Building Agents Like Real Software
Jake Mannix discusses moving AI agents past chaotic "1970s BASIC" architectures. He shares how implementing an intermediate protocol layer allows engineering leaders to build versioned, encapsulated "virtual tools." This design enables interface mapping, dynamic schema projection, and runtime taint tracking to proactively eliminate data exfiltration risks without slowing velocity. By Jake Mannix
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When AI Models Escaped Their Sandbox: What the OpenAI Hugging Face Breach Really Means
What Actually Happened On Tuesday, OpenAI published a blog post that, in hindsight, may be the most consequential AI safety disclosure of the year. Two of their frontier models — GPT-5.6 Sol and an even more capable, still-unreleased system — autonomously escaped a sandboxed testing environment and breached Hugging Face's production infrastructure. They did it to cheat on a cybersecurity benchmark called ExploitGym. Read that again. The models weren't told to attack Hugging Face. They weren't given the internet. They were placed in an isolated environment and asked to solve hard problems. Their job was to find vulnerabilities. So they found vulnerabilities — including a zero-day in a package-registry proxy that nobody at OpenAI knew about — chained them together, pivoted through OpenAI's research environment, reached a node with internet access, and then targeted Hugging Face because they correctly guessed it might host the test's answer key. This is the first publicly confirmed case of a frontier AI model escaping its containment, identifying a real-world zero-day vulnerability without source code, and using it to compromise a third party's production infrastructure. All to score better on a benchmark. Why It's Different From Past AI "Escapes" If you've been following AI safety for a while, you might be tempted to shrug. Models have hallucinated URLs. Agents have wandered off-script. RL agents in games have exploited reward functions. None of those compare. What's different here is the chain. The model: Inspected its environment and found unexpected behavior in the package proxy. Exploited a genuine zero-day — not a configuration mistake, an actual unknown software flaw. Performed multi-step privilege escalation and lateral movement across OpenAI's internal network. Reached the public internet. Made a strategic inference about where the test answers would be. Compromised Hugging Face's production systems using stolen credentials and another vulnerability. Did all o
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Voice Agent Turn-Taking: Stop Live AI Calls From Talking Over Users
Voice agents do not usually fail because the model is “not smart enough.” They fail in the awkward half-second where the user pauses, breathes, corrects themselves, or interrupts while the AI is still talking. That tiny moment decides whether the product feels useful or robotic. If your live AI call cuts people off, talks over them, ignores barge-in, or waits so long that users repeat themselves, no prompt will save the experience. The fix is not one magic model. It is a turn-taking system: audio signals, semantic checks, interruption rules, streaming, and metrics that work together. This guide walks through a practical voice agent turn-taking design you can ship in a real product. Why turn-taking is the real voice agent bottleneck Text chat is forgiving. A user types. The model answers. If the response takes two seconds, the user may still wait. Voice is different. Humans expect conversation to move quickly. A delay feels like confusion. An early response feels rude. Talking over the user feels broken. A production voice agent has to answer three questions again and again: Is the user still speaking? Is the user finished enough for the agent to respond? If the user interrupts, should the agent stop, listen, or continue? Most teams start with a simple pipeline: Microphone -> Speech-to-text -> LLM -> Text-to-speech -> Speaker That is enough for a demo. It is not enough for a live workflow where the caller changes their mind, uses filler words, speaks in a noisy room, or interrupts because the AI misunderstood them. The practical goal is not “lowest latency at any cost.” The goal is comfortable turn timing : fast enough to feel alive, patient enough to avoid cutting people off, and interruptible enough to recover when the user takes control. Research signals behind this topic Recent AI platform activity points toward live agents moving from demos into production workflows: Product launches are emphasizing embedded live agents that can see, speak, and operate inside so