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Show HN: TKeeper – policy-governed, signed intents for autonomous systems

https://github.com/tkeeper-org/tkeeper
2•_qnt•1h ago
As autonomous systems evolve (we see what AI agents are doing now), we open-sourced TKeeper, which allows you to build guardrails around their actions using typed intents, policy checks, and cryptographic proofs.

It allows you to restrict and audit AI agent workflows, blockchain operations, certificate issuance, and any actions that can be expressed as a structured intent.

In simple terms, the proposed interaction looks like this:

1. Machine sends an intent to TKeeper. 2. TKeeper understands the request, executes the policies, and if everything is OK, signs the action (in the case of blockchain operations, this is a transaction signature). 3. The signed intent is sent by the machine to the backend. 4. Backend verifies signature and does its job.

This mechanism makes all "permissions" for actions intent-bound, so we believe it is very effective against LLM06: Excessive Agency, if its primary use case is guardrailing AI.

We also believe that concentrated risks are greatly underestimated, so TKeeper is based on multi-party computation based threshold schemes.

This means that with a quorum setup, it can withstand up to t-1 compromises, allowing risk sharing between or within organizations. For the fastest time to market, you can deploy 1-of-1 setup and then promote it to t-of-n.

Additionally, the following features are built-in: 1. Audit logging & Asset inventory 2. Four-eye control for keys that require human verification. 3. The entire key lifecycle follows the canons: rotation, destruction, and resharing.

Feedback is greatly appreciated :')

In plain sight: A new pink-fruited species of Actaea L. from New York

https://bioone.org/journals/the-journal-of-the-torrey-botanical-society/volume-153/issue-2/TORREY...
1•PaulHoule•1m ago•0 comments

Smallweb Is Becoming an Archipelago

https://hypersubject.net/entries/2026/06/smallweb-is-becoming-an-archipelago/
1•speckx•1m ago•0 comments

UK Ranks Second-to-Last in New NATO Ranking

https://militarnyi.com/en/news/uk-ranks-second-to-last-in-new-nato-ranking/
1•jimjohnny123•2m ago•0 comments

PixelRAG – Retrieve and Read Web Pages as Screenshots Instead of HTML

https://pixelrag.ai/
1•yichuan•4m ago•0 comments

ECB reins in Revolut over rapid-fire product launches

https://www.scottishfinancialnews.com/articles/ecb-reins-in-revolut-over-rapid-fire-product-launches
1•nixass•7m ago•0 comments

Enjoyable Tasks, Contracting and Automation [pdf]

https://www.nber.org/system/files/working_papers/w35309/w35309.pdf
1•pupperino•8m ago•0 comments

Fable in a Data Analyics Harness

https://chris-parmer.com/first-look-at-fable/
1•robertclaus•8m ago•0 comments

History of WYSIWYG editors and CMS: a timeline (2022)

https://www.tiny.cloud/blog/history-of-cms-wysiwyg/
1•peter_d_sherman•9m ago•0 comments

The Missing Link Between Agents and Applications

https://www.langchain.com/blog/agents-and-applications
1•cbromann•9m ago•0 comments

The White House Freakout over the Epstein Files

https://www.nytimes.com/2026/06/10/magazine/trump-epstein-files-white-house-vance-doj.html
6•JumpCrisscross•11m ago•0 comments

Claude Fable 5 missed a bug that Sonnet 4.6 caught

https://alikhallad.com/i-tested-claude-fable-5-against-private-benchmarks-it-has-never-seen-here-...
3•startages•11m ago•0 comments

SoftBank Attempt to Get $6B OpenAI Margin Loan Stalls

https://finance.yahoo.com/markets/stocks/articles/softbank-attempt-6-billion-openai-042525869.html
2•adriand•12m ago•0 comments

The first century Roman aqueduct at Segovia carried water into the 1970s

https://maketecheasier.com/j-the-roman-aqueduct-at-segovia-built-around-the-first-century-ad-with...
3•dxs•12m ago•0 comments

Building a serializable database in Rust, and measuring what it costs

https://www.yahyaehsan.dev/writing/building-crackeddb.html
2•YahyaEhsansub•12m ago•0 comments

Speed Is a Signal: When Faster Replies Increase Hiring Likelihood

https://pubsonline.informs.org/doi/abs/10.1287/mnsc.2024.06185
2•speckx•12m ago•0 comments

Show HN: Which F1 Team Website Is Fastest?

https://lightest.app/reports/kcokc
2•defly•13m ago•0 comments

Dimidium – terminal color scheme crafted with science

https://github.com/dofuuz/dimidium
2•microflash•13m ago•0 comments

nanoarrow

https://github.com/apache/arrow-nanoarrow
2•tosh•13m ago•0 comments

Reviewing Code in the Agent Era

https://twitter.com/penzington/status/2064387219079462948
2•cristinacordova•14m ago•0 comments

Infinite precision intermediate arithmetic: how much would break?

https://internals.rust-lang.org/t/infinite-precision-intermediate-arithmetic-how-much-would-break...
2•logickkk1•15m ago•0 comments

Social media platforms warned over role in fuelling Belfast riots

https://www.ft.com/content/4b62b71c-949a-4600-b03c-813636cf9071
2•mmarian•15m ago•0 comments

The Dynamo and the Computer: The Modern Productivity Paradox (1989) [pdf]

https://www.almendron.com/tribuna/wp-content/uploads/2018/03/the-dynamo-and-the-computer-an-histo...
6•simonpure•15m ago•0 comments

Show HN: I built a microlearning app to learn personal finance

https://finance.usescroll.app
4•maclinz•16m ago•2 comments

Show HN: Vocast – Turn articles into self-hosted podcast feeds using local TTS

https://github.com/cnrmurphy/vocast
2•8bitsout•17m ago•0 comments

I Hacked into the Worst E-Bike and Fixed It [video]

https://www.youtube.com/watch?v=hPrtVGimBYs
4•alexis-d•18m ago•0 comments

A day after discovery, Meta pulls facial recognition code from its smart glasses

https://www.wired.com/story/meta-removes-face-recognition-code-meta-ai-app-smart-glasses/
3•thunderbong•18m ago•0 comments

Why SpaceX 2040 Revenue FCST $4.3T in highly unlikely

https://www.matteast.io/spacex-escape-velocity.html
4•meast•18m ago•0 comments

A small, self-hosted HTTP API that turns HTML, URLs and JSON into PDF/A-3a

https://pdf-ua-api.bambamboole.com/
2•robin_reala•21m ago•0 comments

Show HN: Meadow Mind – a 7B diffusion LLM plays Gym games with zero training

https://github.com/Hey-Meadow/meadow-mind
2•akaiHuang•21m ago•0 comments

Flock Blocks Itself from Wayback Machine: How Companies Can Erase Their History

https://ipvm.com/reports/flock-wayback
4•jhonovich•22m ago•0 comments