Kastra Labs

Verified account

@kastralabs

Kastra is the authorization layer for AI systems.

San Francisco, California

Joined June 2026

17 Following

24 Followers

48 Posts

4 days ago

Q on our PH launch: how do you draw the line between actions that run automatically and ones that need a human? A: policies. Teams set Allow/Deny/Hold per action based on tool, environment, data sensitivity, repo anything. Automate the low-risk stuff, guard what actually matters.

kastralabs's tweet photo. Q on our PH launch: how do you draw the line between actions that run automatically and ones that need a human?

A: policies. Teams set Allow/Deny/Hold per action based on tool, environment, data sensitivity, repo anything. Automate the low-risk stuff, guard what actually matters.

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5 days ago

A commenter on our PH launch nailed it: "Most teams stuff guardrails into the system prompt. Enforcing before the action executes is the only version that holds up in production." That's the whole thesis behind Kastra.

kastralabs's tweet photo. A commenter on our PH launch nailed it:
"Most teams stuff guardrails into the system prompt. Enforcing before the action executes is the only version that holds up in production."

That's the whole thesis behind Kastra. https://t.co/rtf4a8KWUH

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5 days ago · London

Most "AI safety" today = a system prompt asking a model to behave. That stops working the second the input is adversarial. Kastra enforces policy at runtime before the action executes, not after. That's the whole bet, and PH builders stress-tested it hard this week, see it for yourself.

kastralabs's tweet photo. Most "AI safety" today = a system prompt asking a model to behave.

That stops working the second the input is adversarial.

Kastra enforces policy at runtime before the action executes, not after. That's the whole bet, and PH builders stress-tested it hard this week, see it for yourself.

kastralabs's tweet photo. Most "AI safety" today = a system prompt asking a model to behave.

That stops working the second the input is adversarial.

Kastra enforces policy at runtime before the action executes, not after. That's the whole bet, and PH builders stress-tested it hard this week, see it for yourself.

kastralabs's tweet photo. Most "AI safety" today = a system prompt asking a model to behave.

That stops working the second the input is adversarial.

Kastra enforces policy at runtime before the action executes, not after. That's the whole bet, and PH builders stress-tested it hard this week, see it for yourself.

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5 days ago

Kastra launched on Product Hunt and finished #3 Product of the Day. Best part wasn't the rank, it was builders in the comments trying to poke holes in our architecture. It held.

kastralabs's tweet photo. Kastra launched on Product Hunt and finished #3 Product of the Day.

Best part wasn't the rank, it was builders in the comments trying to poke holes in our architecture. It held. https://t.co/MMuPL6e1Eq

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11 days ago

We need your vote in Product Hunt!! Go give Kastra some love! 🚀🚀🚀🚀 https://t.co/hQyTvnPtdh

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12 days ago

@BratDotAI Idk, but we are using AI to help builders/dev build faster.

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12 days ago

@danellisona Yes but today we are live on PH so no. https://t.co/hQyTvnPtdh

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12 days ago

It’s live! https://t.co/hQyTvnPtdh

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12 days ago

heads up: we're launching on product hunt TOMORROW. when it goes live, we'd love your vote. https://t.co/hQyTvnPtdh

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12 days ago

@kelvinbuildss Just launched what are are working on to help builders using agentic coding! https://t.co/hQyTvnPtdh

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12 days ago

@Kiriakoscls4 Just launched what are are working on to help builders using agentic coding! https://t.co/hQyTvnPtdh

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12 days ago

@enodrift Just launched what are are working on to help builders using agentic coding! https://t.co/hQyTvnPtdh

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12 days ago

@MicroLaunchHQ Reach #1 product on PH. Help ussss! https://t.co/hQyTvnPtdh

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12 days ago

@BuildNexusAI Just launched what are are working on to help builders/devs using agentic coding! https://t.co/hQyTvnPtdh

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12 days ago

@Guronnimo Just launched what are are working on to help builders using agentic coding! https://t.co/hQyTvnPtdh

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12 days ago

@riwajrise We are very proud of Kastra, and we are live on PH TODAY! https://t.co/hQyTvnPtdh

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12 days ago

@Joi2James Kastra and we are live on PH today! https://t.co/hQyTvnPtdh

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12 days ago

@edinsoncode Kastra! And we are live today on PH. 🚀 https://t.co/hQyTvnPtdh

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12 days ago

https://t.co/hQyTvnPtdh

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12 days ago

We are live on PH 🚀

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12 days ago · London

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