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Examples and Use Cases

Largestack was validated not only with unit tests, but also with generated mini-products and business-style scenarios.

These are working mini-product slices, not full SaaS products with complete UI, billing, auth, and production operations.

50 generated/test project categories

# Project What it proves
1 Support Ticket API Classification, ticket routing, approval logic
2 Simple CRM Team flow and memory isolation
3 Task Manager Workflow DAG and task state
4 Expense Tracker RAG citations and PII guardrails
5 Inventory Tracker Routing and parallel checks
6 Appointment Booking Typed API and booking memory
7 Lead Capture Map-reduce and cost tracking
8 Document Extraction Extraction with RAG and memory isolation
9 Mini RAG Assistant Citation/no-answer behavior
10 Workflow Dashboard Observability and guardrail checks
11 AI Security Gateway Parallel agents and approval policies
12 Resume Builder Typed API and workflow generation
13 HR Scorer PII handling and scoring workflow
14 Code Reviewer/Fixer Review, repair, memory, routing
15 ML Automation Automation and repair loop behavior
16 Video/Social Pipeline Content workflow and traces
17 Jarvis Planner Core Planning workflow with approvals
18 Fintech KYC/NBFC Guardrails and BFSI-style flow
19 Legal RAG Legal document answer grounding
20 DPDP Breach Workflow Compliance routing and cost tracking
21 BGV Portal Background verification RAG/approval
22 Trading Risk App Risk checks with workflows
23 E-sign Approval Typed API and observability
24 HAL/MOSAIC Workflow Engineering map-reduce and guardrails
25 B2B Sales Forecast Agent Sales risk/opportunity forecast
26 RevOps Pipeline Cleaner CRM data cleanup and missing field detection
27 Customer Success Health Monitor Health/churn scoring and action plans
28 Vendor Risk Assistant Vendor evidence and risk checks
29 Procurement Approval Agent Purchase approval workflow
30 Invoice Reconciliation Agent Invoice/PO/payment mismatch checks
31 AR Collections Prioritizer Overdue account prioritization
32 Compliance Mapping Assistant Policy/control/evidence mapping
33 Incident Response Agent Severity classification and response steps
34 Support Copilot RAG support with insufficient-evidence behavior
35 Field Dispatch Planner Dispatch routing and resource matching
36 QA Test Planning Agent Test plan generation and coverage validation
37 Cloud Cost Optimizer Cost waste detection and savings suggestions
38 Sales Call Coaching Agent Transcript scoring and coaching
39 Renewal Risk Agent Renewal risk and action plan
40 Partner Onboarding Agent Document and onboarding validation
41 Supply Chain Delay Predictor Delay risk and mitigation
42 DSR / Privacy Request Automation Data-subject request workflow
43 Audit Testing Assistant Control testing and evidence gaps
44 RFP Response Builder RFP answers using RAG and structured output
45 Feedback Intelligence Agent Feedback clustering and actions
46 Workforce Planning Agent Staffing/capacity planning
47 Obligation Tracking Agent Contract obligation tracking
48 MSP SLA Routing Agent SLA-based ticket routing and PII guardrails
49 BFSI Loan Origination Maker-Checker Regulated approval flow; no disbursement without approval
50 BFSI AML Transaction Monitoring Suspicious transaction detection and SAR recommendation behavior

Do not demo all 50. Use three high-signal demos:

Demo Why it works
Support Ticket Agent Easy for everyone to understand
RAG Assistant with citations Shows enterprise knowledge-grounding
BFSI Maker-Checker / AML Shows governance/security value

5-project hard live validation set

A useful difficult smoke set is:

Project Why
jarvis_core Planning and action decomposition
support_ticket_api Practical business API pattern
rag_assistant Retrieval, grounding, citation behavior
code_reviewer Code analysis and repair behavior
ml_automation More complex repair/iteration loop