DigiQuench

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Platform

How the DigiQuench platform is built

One framework runs all 38 agents: a shared self-healing loop, a risk policy, guardrails and full telemetry, on a lean AWS setup that costs about $23 a month for the complete demo.

DigiQuench on AWS: CloudFront serves the website; an EC2 Graviton instance runs n8n, the Agents API, the Control Tower and 38 agents; Amazon Bedrock provides language models; S3, Glue and Athena hold the lakehouse; CloudWatch collects metrics; Budgets watches spend. AWS · ap-south-1 (Mumbai) Visitors & clientsbrowser · phone Public dataKaggle · NYC TLC · UCI+ client exports CloudFront + S3website · HTTPS · OACalways-free 1 TB EC2 t4g.medium · Docker n8nschedules · alerts Agents APIrun · approve 38 agentsLangGraph self-healing loopCrewAI crews · scikit-learn modelsrisk policy · guardrails Control Toweroperator portal · read-only demoruns · issues · approvals Amazon BedrockNova · Claude HaikuIAM role, no keys S3 lakehousebronze · silver · goldGlue + Athena SQL CloudWatchlogs · EMF metricsalarms → email SES emailalerts · digests · chasers Budgets + SNS50% · 80% · 100% alerts Optional: Lambda or AgentCoreagents on demand · EventBridge schedules IAM · SSMno SSH · least privilege

The moving lines show data and calls flowing between the services.

The loop every agent runs
Three frameworks, three jobs

Each tool does what it does best

LangGraph runs the loop, CrewAI writes, n8n conducts.

LangGraph

The loop

Every agent is a state graph: detect, diagnose, plan, fix, verify, report, with a retry edge from verify back to plan. It can be drawn, tested and capped.

CrewAI

The writers

Eleven agents write listings, supplier emails, audit notes and ad variants. A three-role crew writes and checks the text; the reviewer rejects anything that breaks a rule.

n8n

The conductor

Schedules each agent, gives every agent a webhook, emails a person when a decision is needed, runs the nightly check and captures leads from this site.

AWS services

What each AWS service does here

A lean footprint: one server plus managed services only where they are cheaper or safer.

ServiceRole in the platformWhy this choice
EC2 (Graviton t4g)Docker with the Agents API, Control Tower, read-only demo, n8n and 38 agentsArm instances cost less for the same work; about $23 a month for the whole demo
Amazon BedrockLanguage models for diagnoses, reports and CrewAI writing (Amazon Nova, Anthropic Claude)Pay per token, no API keys (IAM role), model choice per client
S3 + Glue + AthenaDurable bronze, silver and gold lakehouse; SQL over ParquetPennies a month for gigabytes; no database server
CloudFront + S3This website over HTTPS with security headersInside the always-free 1 TB a month
CloudWatchLogs and six agent metrics with alarmsEmbedded Metric Format, inside the free allowance
SESAlerts, digests, supplier chasers, cart recovery$0.10 per 1,000 emails
Lambda / AgentCoreOptional: agents on demand from EventBridge schedulesScales to zero when clients need isolated runs
Machine learning

Seven models where numbers matter

Language models write and explain. Decisions on numbers use small, explainable models.

ModelUsed byMethodDemo metric
Fraud scoringFraudShieldGradient boosting + IsolationForestPR-AUC 0.96
Default riskLoanProcessLogistic regressionROC-AUC 0.79
Demand forecastDemandCast, InventoryIQGradient boosting with lag featuresMAPE 12.8%
No-show riskApptIQGradient boostingROC-AUC 0.61
Provider claims riskClaimsSmartRandom forest on aggregatesSynthetic only
Customer segmentsAudienceIQK-means (k = 4)Silhouette 0.13
RecommendationsRecoEngineItem co-occurrenceHit rate@5 0.47

Metrics come from demo data and prove the pipeline works, not production accuracy. We measure accuracy on your data during the audit.

Observability

A complete record of every run

The Control Tower shows people what happened; CloudWatch alarms tell you when something fails.

Step into DigiQuench.
Agents that heal your data.

Watch an agent find planted problems, fix the safe ones and wait for your approval on the rest. Thirty minutes, live.