James Everingham is the CEO and Co-founder of Guild.ai — the AI agent control plane for production teams. With roots at Netscape, Instagram (Head of Engineering), and Meta (Head of Dev Infra, leading a 1,000-person org), James brings rare, hard-won expertise to the challenge of operating AI agents at scale.

From Single-Player to Multi-Player: Operating AI Agents at Scale

The blog breaks down human memory into functional layers and maps them to the architectural requirements of AI systems. It shows how separating sensing, storage, context, and reasoning leads to more robust agents, and why today’s embedding‑only approaches fall short.

Human Memory As The Perfect Template For AI Memory

Thiago Cardoso is the Director of Data & AI at iFood and the architect behind iFood Pago's AI agent platform. This fintech system serves millions of restaurants across Brazil through WhatsApp and the iFood app. In this episode, he breaks down what it actually takes to ship agentic AI in production at scale.

The Control-vs-Magic Spectrum Building Agents

Sherwood Callaway is the founder of Sazabi (YC P26), the AI-native observability platform built for engineering teams who ship fast. He previously founded and exited a YC company — now he's back, betting that logs are all you need to replace Datadog.


Logs Are All You Need: Rethinking Observability with AI Agents

<p>Real-time ML use cases like personalization and risk decisioning come with a unique set of challenges: serving fresh feature values at low latency for inference, generating temporally consistent backfills for training, and building complex chains of on-demand, batch, and streaming transformations. In this roundtable, practitioners from Intuit, CreditKarma, Depop, and OpenAI will share how they use Zipline and the OSS Chronon project to solve these challenges and deploy real-time ML use cases in production.</p>

Building Real-Time ML Systems with Zipline + Chronon

<h1><em>Paper: </em><strong><em><a href="https://arxiv.org/abs/2605.05287" rel="noopener noreferrer" target="_blank">Securing the Agent: Vendor-Neutral, Multitenant Enterprise Retrieval and Tool Use</a></em></strong></h1><h1>Retrieval-Augmented Generation and agentic AI are increasingly common in enterprise deployments, but real enterprise environments introduce challenges largely absent from academic treatments and consumer-facing APIs: multiple tenants with heterogeneous data, strict access-control requirements, regulatory compliance, and cost pressures that demand shared infrastructure. </h1><h1><br></h1><h1>This paper identifies a fundamental problem underlying existing RAG architectures in these settings. Retrieval systems rank documents by relevance, not by authorization, so a query from one tenant can surface another tenant’s confidential data simply because it scores highest. The authors formalize this relevance-authorization gap alongside related shortcomings (tool-mediated disclosure, context accumulation across turns, client-side orchestration bypass) and introduce a layered isolation architecture combining policy-aware ingestion, retrieval-time gating, and shared inference, enforced through server-side orchestration. They validate it through an open-source implementation in OGX, a vendor-neutral OpenAI-compatible Responses API, showing empirically that ABAC gating eliminates cross-tenant leakage while introducing negligible overhead.</h1><h1><br></h1><h1>The discussion will be led by Francisco Javier Arceo and Varsha Prasad Narsing, authors of the paper, joined by co-hosts David DeStefano, Rohan Prasad, and Valdimar Eggertsson, and moderated by Arthur Coleman. They will walk through the problem, the architecture, and the benchmarks, dig into the open-source framework, and open up to a live audience Q&amp;A.​​​​​​​​​​​​​​​​</h1><h1><br></h1>

Securing the Agent: Vendor-Neutral, Multitenant Enterprise Retrieval and Tool Use

<p><br></p><p>Join us for Session 15 of the Coding Agents Lunch &amp; Learn, our weekly community series exploring the tools, workflows, frameworks, and real-world applications shaping the future of AI coding agents.</p><p>This week, we're turning our attention to one of the most important challenges in agent engineering: maintaining context, memory, and state across complex workflows.</p><p>As coding agents move beyond simple prompt-response interactions, developers are increasingly looking for ways to build systems that can remember past actions, manage long-running tasks, and operate reliably across multiple sessions. In this session, we'll explore emerging open-source approaches that make these capabilities possible.</p><p>We'll take a hands-on look at a promising open-source framework from the AI Agent Foundation ecosystem, examining how it manages context persistence, state tracking, workflow continuity, and agent coordination. Through a live walkthrough and demo, we'll break down the architecture, developer experience, and practical use cases for teams building production-ready agent systems.</p><p>We'll also discuss the broader shift toward stateful agents, why memory and context management have become critical bottlenecks, and what patterns are emerging across the agent development community.</p><p>Whether you're building coding agents, experimenting with autonomous workflows, or evaluating the next generation of agent infrastructure, this session will give you practical insights into the tooling and design patterns enabling more reliable AI systems.</p><p><br></p>

Coding Agents Lunch & Learn Session 15: Building Stateful Agents with Open Source Frameworks

<p>Come to this session to hear an open discussion about the advances, challenges, and opportunities for agents when retrieving context. This session will focus on vector search applications in the area, including agent tools, embedding methods, agentic evals, agentic memory, and more.</p>

The Current State of Agentic Retrieval

<p>Join us for Session 14 of the Coding Agents Lunch &amp; Learn, our weekly community series exploring the tools, workflows, frameworks, and real-world applications shaping the future of AI coding agents.</p><p>This week, we’re diving into what happens when agents move beyond demos and into production workflows.</p><p>We’ll kick things off with a behind-the-scenes case study from Port of Context, where CEO Patrick Kelly will unpack how their team built and evaluated a GTM agent using Goose X Code Mode. Expect a practical look into agent design, performance measurement, token usage, execution time, lessons learned, and what actually matters when evaluating autonomous systems in production. Patrick will also share how manually running this process inspired the creation of the Agent Voyager Project (AVP), an open public specification for agent observability.</p><p>We’ll also hear from Sahil Kathpal for a focused lightning talk on techniques and frameworks for running long autonomous agent sessions reliably, the kind of agent workflows that persist for 60–90 minutes and require robustness, persistence, and orchestration to succeed.</p><p>Whether you’re building coding agents, experimenting with autonomous workflows, or trying to understand what reliable agent systems look like in practice, this session is for you.</p>

Coding Agents Lunch & Learn - Session 14 From Agent Demos to Production Reality

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