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Block Prompt Injection Before AI Agents with GPT 5.5 and Slack

by Țugui DragoșUpdated Aug 2026
RequiresGoogle SheetsGoogle SheetsSlackOpenAI
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WeReceive External InputReceive Externa…CoHeuristic Pattern FilterHeuristic Patte…CoExtract URLs for ScanningExtract URLs fo…CoScan URLs via APIScan URLs via A…CoCalculate Risk ScoreCalculate Risk …SwRisk Level RouterRisk Level Rout…Log Attack AttemptLog Attack Atte…Slack SOC AlertRTRespond BlockedRTRespond SafeLLM Defensive EvaluatorLLM Defensive E…1234567891011
1/5
STEPS · 11
Starts on an incoming request

On a webhook, screens incoming prompts for injection with OpenAI, logs verdicts to Google Sheets, alerts Slack, and responds to the caller.

Tags

webhookcomplexGoogle SheetsSlackSecOpsAI Summarization
Connects
sheetsGoogle SheetsSlackOpenAI
CategoryAI Analysis & Classification
Triggerwebhook
Complexitycomplex
Nodes11
AddedJun 14, 2026