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Tag: over-refusal
3 items with this tag.
Aug 09, 2026
Anthropic Loosens Fable 5's Biology Classifier and Publishes the False-Positive Cost
guardrails
over-refusal
safety-classifier
deployment
model-routing
false-positives
Jul 28, 2026
Hugging Face Discloses an Agent-Run Intrusion, and a Guardrail That Blocked Its Own Responders
incident
agentic-attack
guardrails
over-refusal
over-agency
reward-hacking
open-weights
detection
security
Jul 09, 2026
Claude Sonnet 5 System Card
system-card
agentic-safety
prompt-injection
over-refusal
alignment