[Bug] Anthropic API Error: Request blocked on simple arithmetic query

_Claude led me to open an issue twice before. This is the simplest example, yet of the issue. Claude will not read any file of the 15-year open-source DMTCP project for transparent checkpointing._

Bug Description
I asked claude to read: . Claude replied "API Error: ... cybersecurity topic ..." Request ID: req_011CcxvvsKEeqMXkj5hw9ge6 ; I am unable to reach a person at Anthropic to ask why this is happening.

I can no longer get a reply from Claude at all with my 15-year open-source project, DMTCP:
https://github.com/dmtcp/dmtcp
Right now, I simply asked it to read a single file from that project, and I get the "cybersecurity topic" error.

DMTCP is for transparent checkpoint-restart. It has nothing to do with cybersecurity.
DMTCP has over 150 refereed academic publications of people who use it.
DMTCP does use LD_PRELOAD and dlsym() and setcontext() APIs. That's the only thing that I can think of that could confuse Claude into believe this is somehow cybersecurity.

Environment Info

• Platform: linux
• Terminal: wsl-Ubuntu-24.04
• Version: 2.1.207
• Feedback ID: 0fe6862e-7d5b-49ac-ad94-2c55ab3e9f18

Errors

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lsym