# AgentGuard AgentGuard is a stateless, deterministic prompt-injection screening API for autonomous agents. ## Discovery https://agentguard-mpp.diophantine.chatgpt.site/openapi.json ## Paid endpoint POST https://agentguard-mpp.diophantine.chatgpt.site/api/v1/scan Price: 0.01 pathUSD on Tempo via MPP Content-Type: application/json Body: {"text":"untrusted content"} Maximum text length: 65,536 characters ## Response The response includes risk, risk_score, action, findings, evidence snippets, and recommendations. Treat it as a pre-filter, not a security proof.