Which agents are running? Should this particular action be allowed? What happened, and why? This is what Arcjet is now tackling.
How Arcjet hosts AI security models using Python, Open Inference Protocol, Go, and Modal: the architecture behind prompt injection detection.
How we defend Arcjet’s MCP tool outputs from prompt injection by separating trusted guidance from untrusted evidence in structured responses.
The expertise required to apply security correctly can now live inside the agent, not inside the developer's head or a separate team's backlog.
The Arcjet Python SDK allows you to implement rate limiting, bot detection, email validation, and signup spam prevention in FastAPI and Flask style applications.
I recently joined James Governor at RedMonk to talk about why security tooling still feels years behind the rest of the developer ecosystem and
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