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System One

jakenbear/the-jev-enator

Four Claude Code hooks that use Jev for cheap, calibrated judgment calls inside the agent loop: a danger gate that blocks destructive tool calls, a failure notice, a completion check, and a scope check.

jakenbear/the-jev-enator on GitHub

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Language
Python
License
MIT
Last push
22 Sep 2026

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How it uses Jev

import urllib.error
import urllib.request

API_URL = "https://api.typesafe.ai/v1/systemone"
MODEL = "jev-latest"

# Typical latency is ~350ms, but cold starts have been observed above 6s.
# Generous enough to avoid failing open on a slow call, short enough that a
# genuinely hung API doesn't stall the session.
TIMEOUT_S = 12.0

# python.org builds ship without a usable CA bundle, so urllib fails TLS
# verification with CERTIFICATE_VERIFY_FAILED. Resolve a real bundle rather than
# trusting the interpreter default, since Claude Code may invoke a hook with any
# python on PATH.

View in src/jev_client.py

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