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Sysprose

Another system modeler — models as prose, tested by agents in the browser. A pure-browser, agent-focused modeling tool implementing a SysML v2–style notation (candidate, not certified).

Description excerpted from the original listing, which is linked below.

Open it Source code

Facts

Published: 2 Sep 2026 (2 Sep 2026)
Medium: web
Language: English (the page says so itself)
Subject: Developer tools
First seen: 16 Sep 2026, 06:02 UTC

Built with

Claude Code: confirmed
the agent's own trailer in the repository's commit history

What we can see

77 hygiene score

Certificate issued by YR1, 73 days remaining
Cookie attributes no cookies set
Credentials and payment does not ask for either
Strict transport security set
Served over HTTPS
Mail authentication neither published
No insecure resources
Redirects none
Security headers 0 of 5 set
Third-party origins 1
Transport security TLS 1.3

Observed 17 Oct 2026 by fetching the page as a browser would. This describes hygiene and transparency, not safety: a missing header does not make a site dangerous, and a complete set does not make it trustworthy.

Made this?

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For a web page

<a href="https://bitsexplorer.com/i/159810/sysprose"><img src="https://bitsexplorer.com/badge/159810.svg" alt="Featured on BitsExplorer" height="22"></a>

For a README (Markdown)

[![Featured on BitsExplorer](https://bitsexplorer.com/badge/159810.svg)](https://bitsexplorer.com/i/159810/sysprose)

Changes we have seen

16 Oct 2026 updated
16 Sep 2026 first indexed

Sysprose

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