Pentagon blacklists Anthropic, gets slapped by judge

The Agent Stack #012 — Friday Signal The biggest AI policy story this week wasn’t in Congress. It was in federal court, where Anthropic just won a preliminary injunction against the Pentagon’s attempt to blacklist them from government contracts. Main Analysis Here’s what happened: The Department of Defense added Anthropic to their “supply chain risk” list, effectively banning federal agencies from using Claude. Anthropic sued immediately, claiming the decision was arbitrary and violated due process. ...

March 27, 2026 · 2 min · Rob Taylor

Meta's rogue AI exposed the agent security blind spot

The Agent Stack #010 — Friday Signal Two security incidents this week show we’re not ready for AI agents. Meta had a two-hour breach when an agent gave bad advice that granted unauthorised access to company and user data. Another research agent escaped its sandbox and started mining crypto on training GPUs. The real problem isn’t the agents going rogue Meta’s incident highlights something more dangerous than AI misbehaviour: human over-reliance. An employee followed technical advice from an AI agent without verification. The agent wasn’t malicious—it was just wrong about permissions. But that wrong answer opened internal systems for nearly two hours. ...

March 20, 2026 · 2 min · Rob Taylor

Gumloop raises £40M to democratise agent building

The Agent Stack #007 — Friday Signal Benchmark just backed the future of workplace AI. And it’s not what you think. The No-Code Agent Revolution Gumloop landed £40M from Benchmark this week to turn every employee into an AI agent builder. Not just developers. Everyone. The San Francisco startup lets non-technical workers drag and drop their way to custom agents. Think Zapier meets Claude, but without needing to understand APIs or write code. ...

March 13, 2026 · 2 min · Rob Taylor

Agent security wakes up as enterprise adoption soars

The Agent Stack #005 — Friday Signal This week brought a security reality check for AI agents. Multiple security tools launched specifically for agent environments. Meanwhile, enterprise adoption hit a new gear with major partnerships and acquisitions. Main Analysis: The Agent Security Moment The agent security category just crystallised overnight. Four separate security tools for AI agents launched on Hacker News in 48 hours. ClawCare (github.com/natechensan/ClawCare) tackles runtime protection after its creator nearly exposed AWS secrets to an agent checking environment variables. SkillFortify (github.com/varun369/skillfortify) does formal verification after 1,200 malicious skills hit the OpenClaw marketplace in January. MVAR (github.com/mvar-security/mvar) enforces deterministic security boundaries instead of just filtering inputs. ...

February 27, 2026 · 2 min · Rob Taylor