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cgrtml
reasongate
Python2026–2026
cgrtml / reasongate

reasongate

Explainable security gate for LLM apps — blocks prompt injection with an auditable reason for every decision.

2Distinct people
2Mentions
0Explicit recommenders
17GitHub stars
REPOSITORY AT A GLANCE

What to know before exploring

What it is

Explainable security gate for LLM apps — blocks prompt injection with an auditable reason for every decision.

GitHub

Where it is used

No documented product use has been verified yet.

What people are saying

No recommendation phrase was found in the indexed comments.

No classified warning is attached to this page. Read the discussions before treating silence as approval.

Also in these discussions

No other repository is repeatedly linked in the same discussions.

This week on Hacker News

Nov 7–Nov 14 UTC · Direct repository links and separately labeled related project stories. Indexed through 11/14/2026, 3:56:07 PM UTC.

No direct repository links were found in the indexed HN discussions over the past seven days. Older discussions are available below.

Mentions over time

HN mentions by hour2 dated mentions

Observed mentions: 2026-07-16 22:21:31 UTC to 2026-07-16 23:42:05 UTC.

012026-07-16 22:00:00 UTC to 2026-07-16 23:00:00 UTC (exclusive): 1 mentions; 1 submissions, 0 commentsJul 16, 22:002026-07-16 23:00:00 UTC to 2026-07-17 00:00:00 UTC (exclusive): 1 mentions; 0 submissions, 1 commentsJul 16, 23:00

Counts come from the repository’s dated source evidence. Index cutoff: 2026-11-02 08:16:59 UTC.

View mention counts and date ranges
UTC ranges include their start and exclude their end. Select a period to filter the source evidence.
PeriodStart (UTC)End (exclusive, UTC)MentionsSubmissionsComments
Jul 16, 22:002026-07-16 22:00:00 UTC2026-07-16 23:00:00 UTC110
Jul 16, 23:002026-07-16 23:00:00 UTC2026-07-17 00:00:00 UTC101

What Hacker News says

2 sources
From the "known limits" section: > No guardrail catches everything. Recall runs %76 - %96 depending on distribution and obfuscation; it is never 100%. That seems incompatible to me with the example given at the top of the README where a failure results in "$84,200 is wired out". This list of regular expressions does not inspire confidence for the methodology: https://github.com/cgrtml/reasongate/blob/91f45ae568ce53db08... _PATTERNS: List[Tuple[str, str, float]] = [ (r"ignore\s+(all\s+)?(previous|prior|above)\s+instructions", "ignore previous instructions", 0.9), (r"disregard\s+(the\s+)?(above|previous|system)", "disregard the above", 0.8), # TR patterns are diacritic-tolerant: match both "onceki tum" and "önceki tüm". (r"[öo]nceki\s+(t[üu]m\s+)?(talimatlar[ıi]|komutlar[ıi])\s+(yoksay|g[öo]zard[ıi]|unut)", "ignore
Read the rest
previous instructions (TR)", 0.9), (r"(reveal|show|print|repeat)\s+(your\s+)?(system\s+)?(prompt|instructions)", "reveal the system prompt", 0.9), # ... Those are all in English. Prompt injections can come in any spoken human language (and all sorts of other non-human languages too.)
In Show HN: ReasonGate- An explainable gate that blocks LLM prompt injection

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