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Christine Lemmer-Webber

@dustyweb

Co-author/co-editor of ActivityPub (what connects together the fediverse, including Mastodon, etc). Executive Director of the Spritely Institute. Lisp/scheme enthusiast, chaos transfem, sketcher of tiny creature drawings. https://dustycloud.org

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Latest posts by Christine Lemmer-Webber @dustyweb

Our intuitions for ocap (or ANY) security come APIs that we are able to make sense of, with each object performing a limited role.

Not to mention that users *want* to be able to say a thing to an agent with broad ambient authority...

Ocap security will help us, but will not save us, with LLMs.

06.03.2026 19:59 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

If an agent can do TWO of these three things:
- Access the network
- Access the filesystem
- Talk to another agent

Then you are toast.

Mark Miller describes conspiring processes as "prisoners tapping on the pipes". Even with ocap containment, we risk an LLM prison riot. :P

06.03.2026 19:58 πŸ‘ 7 πŸ” 3 πŸ’¬ 2 πŸ“Œ 0

Yes!

06.03.2026 20:00 πŸ‘ 1 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Yeah. I think the neighbour part of those stories rests heavily on social norms. Neighbours are confusable deputies but confusable within the bounds of social norms.

06.03.2026 19:57 πŸ‘ 4 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

Our intuitions for ocap (or ANY) security come APIs that we are able to make sense of, with each object performing a limited role.

Not to mention that users *want* to be able to say a thing to an agent with broad ambient authority...

Ocap security will help us, but will not save us, with LLMs.

06.03.2026 19:59 πŸ‘ 4 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

If an agent can do TWO of these three things:
- Access the network
- Access the filesystem
- Talk to another agent

Then you are toast.

Mark Miller describes conspiring processes as "prisoners tapping on the pipes". Even with ocap containment, we risk an LLM prison riot. :P

06.03.2026 19:58 πŸ‘ 7 πŸ” 3 πŸ’¬ 2 πŸ“Œ 0

Ocaps are thus necessary, but insufficient. The pattern of use also needs to change.

06.03.2026 19:52 πŸ‘ 6 πŸ” 2 πŸ’¬ 2 πŸ“Œ 0

Yep. Ocaps for these things is 1000% necessary.

The problem is... they won't be enough, not for the way people use agents the way they want to right now, where you are speaking to a god-process that can do your things for you.

And LLMs are inherently confused deputies, so...

06.03.2026 19:50 πŸ‘ 8 πŸ” 5 πŸ’¬ 1 πŸ“Œ 0

Ocaps are thus necessary, but insufficient. The pattern of use also needs to change.

06.03.2026 19:52 πŸ‘ 6 πŸ” 2 πŸ’¬ 2 πŸ“Œ 0

Yep. Ocaps for these things is 1000% necessary.

The problem is... they won't be enough, not for the way people use agents the way they want to right now, where you are speaking to a god-process that can do your things for you.

And LLMs are inherently confused deputies, so...

06.03.2026 19:50 πŸ‘ 8 πŸ” 5 πŸ’¬ 1 πŸ“Œ 0
Text with two indented, italicized paragraphs both starting with "In an emergency" in between three other paragraphs: 

Marc Stiegler has identified the root cause of the problem; our devices do not support aspects of sharing that we rely on in the physical world. These aspects can be illustrated with two stories.

In an emergency, Marc asked me to park his car in my garage. I couldn’t do it, so I asked my neighbor to do it for me and told her to get the garage key from my son.

I doubt that anyone would think twice about this story. The second story is in the computer domain.

In an emergency, Marc asked me to copy a file from his computer to mine. I couldn’t do it, so I asked my neighbor to do it for me and told her to get access to my computer from my son.

People often find this second story so preposterous that they laugh.

Text with two indented, italicized paragraphs both starting with "In an emergency" in between three other paragraphs: Marc Stiegler has identified the root cause of the problem; our devices do not support aspects of sharing that we rely on in the physical world. These aspects can be illustrated with two stories. In an emergency, Marc asked me to park his car in my garage. I couldn’t do it, so I asked my neighbor to do it for me and told her to get the garage key from my son. I doubt that anyone would think twice about this story. The second story is in the computer domain. In an emergency, Marc asked me to copy a file from his computer to mine. I couldn’t do it, so I asked my neighbor to do it for me and told her to get access to my computer from my son. People often find this second story so preposterous that they laugh.

The Six Aspect of Sharing
Figure 1 illustrates the six aspects of sharing that we rely on in the physical world.

That text is around diagram with six images, text labels and arrows.

Light blue arrows  connect each of four in a right to left chain, and black arrows from the bottom left "Cross domain", extend to those.  Another light blue arrow goes from an accountant, labeled "Accountable" to the right of the top four.

The top four are, from right to left (in order of the arrows):

- Recomposable.  A hand giving keys to another waiting hand with a shadowy third hand perhaps giving the keys earlier.
- Chained.  The same image of two hands but without the third.
- Attenuated.  The same image of two hands.
- Dynamic.  A man in a suit and holding a briefcase running.

The Cross domain image in the bottom left is an open gate in a possibly electrified fence like you might find around a farm field.

Dynamic above a man in a suit running.

The Six Aspect of Sharing Figure 1 illustrates the six aspects of sharing that we rely on in the physical world. That text is around diagram with six images, text labels and arrows. Light blue arrows connect each of four in a right to left chain, and black arrows from the bottom left "Cross domain", extend to those. Another light blue arrow goes from an accountant, labeled "Accountable" to the right of the top four. The top four are, from right to left (in order of the arrows): - Recomposable. A hand giving keys to another waiting hand with a shadowy third hand perhaps giving the keys earlier. - Chained. The same image of two hands but without the third. - Attenuated. The same image of two hands. - Dynamic. A man in a suit and holding a briefcase running. The Cross domain image in the bottom left is an open gate in a possibly electrified fence like you might find around a farm field. Dynamic above a man in a suit running.

Relevant to agentic access control.

I was reminded of Alan Karp's & Marc Stiegler's litmus test for usable access control, and Marc's six aspects of sharing.

alanhkarp.com/publications...

06.03.2026 19:45 πŸ‘ 9 πŸ” 4 πŸ’¬ 1 πŸ“Œ 0
Preview
Costco CEO says any tariff refunds it gets will flow back to members through 'lower prices and better values' Costco challenges the US government over IEEPA tariffs, with CEO Ron Vachris pledging to pass refund benefits to members.

Costco is now demanding that Trump pay them back for his tariffs so they can refund all of their customers.

06.03.2026 17:14 πŸ‘ 3506 πŸ” 832 πŸ’¬ 112 πŸ“Œ 73

I don't understand how people can't see it. The holocaust isn't the only genocide from history, but it's the one genocide everyone was taught in school, and it's the one they're *intentionally* cosplaying into reality.

The signs could hardly be louder, the signs hardly brighter. And yet...

06.03.2026 19:46 πŸ‘ 2 πŸ” 2 πŸ’¬ 0 πŸ“Œ 0

Thanks for sharing this. It feels so obvious: the long, thin banners hung from buildings, the 88 foot high flagpoles, the concentration camps, the secret bunkers to shelter families from being stolen away...

06.03.2026 19:44 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

"Don't let people know we're at this stage of the holocaust because the good people are doing the things that good people do at this stage of the holocaust" is just... quite the take

06.03.2026 19:42 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0
Preview
Inside the Underground Safe Houses Sheltering Immigrants From ICE

We are at this stage of the Holocaust β€” in Ohio, which hasn’t gotten much attention recently.

β€œIn Springfield, Ohio, some Americans have converted their basements and spare bedrooms into shelters for immigrant families who could be targeted in raids.”

#GiftLink courtesy of my library:

06.03.2026 19:00 πŸ‘ 209 πŸ” 101 πŸ’¬ 5 πŸ“Œ 4
Post image
06.03.2026 19:04 πŸ‘ 18 πŸ” 4 πŸ’¬ 0 πŸ“Œ 1

discord clicker notification sound would be a wild nitro feature

05.03.2026 02:50 πŸ‘ 157 πŸ” 12 πŸ’¬ 5 πŸ“Œ 0
A one month chart of oil prices

A one month chart of oil prices

Oil prices are going parabolic. This is insane.

06.03.2026 18:01 πŸ‘ 1433 πŸ” 362 πŸ’¬ 80 πŸ“Œ 382

Sometimes I write something on here worth capturing dustycloud.org/blog/reflect...

06.03.2026 17:35 πŸ‘ 2 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Source: I ran the grant program, and in fact refused to do it *unless* it was "no strings attached" and the money went specifically to open source and research projects.

@dustyweb.bsky.social can of course set me straight on if at any point they exerted any pressure on grantees.

06.03.2026 16:55 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0

Yeah @ricardo.bsky.social has it right! Samsung Stack Zero was also the first funder of @spritelyinst.bsky.social, back when it was a one-person project in its very early days.

I nearly didn't apply, but @ricardo.bsky.social encouraged me directly. Really grateful to have gotten the support.

06.03.2026 17:16 πŸ‘ 4 πŸ” 0 πŸ’¬ 0 πŸ“Œ 0

Well I guess the accelerationists have won insofar as I can't keep up with this velocity anymore

06.03.2026 16:18 πŸ‘ 3 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

sigh

06.03.2026 16:04 πŸ‘ 0 πŸ” 0 πŸ’¬ 1 πŸ“Œ 0

It's a really good thing OpenAI was founded as a 501c3 nonprofit!

06.03.2026 16:03 πŸ‘ 2 πŸ” 0 πŸ’¬ 1 πŸ“Œ 1

I am not in charge of Bluesky's comms, but if I were, I would set down the following rule:

You can't broadly make fun of your users, meaning:

- You can't call them "conspiracists"
- You can't dismiss them for being upset about transphobia
- You have to understand the power dynamics of your snark

06.03.2026 16:02 πŸ‘ 6 πŸ” 1 πŸ’¬ 0 πŸ“Œ 0

Real talk, come on Bluesky team, you're running a social media site. This place is basically Twitter 2.0, and was intentionally designed that way.

Play Twitter games, win Twitter prizes.

But we know what Twitter is like by now, and disparaging your users is a 100% guaranteed losing game.

06.03.2026 16:00 πŸ‘ 7 πŸ” 1 πŸ’¬ 3 πŸ“Œ 0

The team's propensity for airing their frustrations to the public is a big problem even when their actual decisionmaking is sound, yeah. Like, everyone working on a UGC site has a lot of these frustrations with their users probably, but they don't say it out loud!

06.03.2026 15:59 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 1

Sad to say but I think there is a near 0% chance of that happening.

Name a VC backed company that you had excited hopes and dreams about 10 or more years ago that hasn't disappointed you today. Name one.

06.03.2026 15:57 πŸ‘ 1 πŸ” 0 πŸ’¬ 2 πŸ“Œ 0

If Jay leaves the position, or is forced out of it, the situation will probably be that the VCs appoint a replacement. And that will be a much worse situation for Bluesky, because it is unlikely that anyone they appoint will respect the ecosystem's goals and values.

06.03.2026 15:52 πŸ‘ 3 πŸ” 1 πŸ’¬ 1 πŸ“Œ 0