Vigil – Zero-dependency safety guardrails for AI agent tool calls
Action-validation guardrail for AI agents: 22 rules, <2ms, zero dependencies, truly offline.

Action-validation guardrail for AI agents: 22 rules, <2ms, zero dependencies, truly offline.
AWS credential_process canary fires at T+0.01s before CloudTrail sees anything.
VCR cassettes for agent tool sequences—catches prompt regressions before deploy.
Cedar policies block `terraform destroy` before AI agents execute it.
Okta for who can access, Lelu for when agents are being manipulated.
Finally, pytest for AI tool calls when evals only test intelligence.