Arcjet Signals are evaluated without a CAPTCHA and enforced when the request passes through a critical flow. The browser gives us signals. The application gives us intent.
How we designed the Arcjet CLI in Go as a stable, defensive interface for humans and AI agents: predictable commands, machine-readable output, strict validation, and confirmation before production changes.
What's new in Arcjet (2026-05-22). Unified coding agent skills, expanded Python docs, email notification management.
How Arcjet hosts AI security models using Python, Open Inference Protocol, Go, and Modal: the architecture behind prompt injection detection.
What's new in Arcjet (2026-05-15). The Arcjet CLI and team management in the web dashboard.
How we defend Arcjet’s MCP tool outputs from prompt injection by separating trusted guidance from untrusted evidence in structured responses.
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