CalibratedDecisions.

Repo · Safety & guardrails

SpamGuard (tb-spam-guard)

Thunderbird MailExtension (Manifest V3, Thunderbird 128+) that scores incoming mail with language-independent header rules (display-name vs…

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From the repository

Thunderbird add-on that flags phishing mail impersonating Japanese organizations. Optional TypeSafe Jev support.

japanesemailextensionphishingspam-filterthunderbirdthunderbird-addon

How builders describe it

Thunderbird MailExtension (Manifest V3, Thunderbird 128+) that scores incoming mail with language-independent header rules (display-name vs sender-domain mismatch, invisible characters, SPF/DMARC failures) and, only for borderline messages, optionally asks TypeSafe Jev for a second opinion. UI and…

The decision Jev makes

Allow, flag or escalate a message, tool call or action.

Where it fits

Screening messages, tool calls and outputs before they cause trouble. Jev gives a fast, calibrated verdict that can sit in front of every request or agent action. All 229 safety & guardrails projects →

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