GuardRail—Safe Extensibility Runtime for ERPs
8/10
Demand Score
Customization limits push teams to risky spreadsheets and manual workarounds that break audits and SLAs.
8/10
Blue Ocean
Competition Level
$3k-20k
Price/Month
Predicted customer spend
12 days
Time to MVP
Difficulty: Moderate
The Problem
A cross‑ERP, sandboxed rules and extension layer that lets teams add business logic and light UI without modifying ERP core. Rules run in a WASM-based engine with deterministic execution, timeouts, an
🔗 Validated by Real User Complaints
This problem has been verified through 3 real user complaints:
Competitor Landscape
- SAP BTP (Business Rules/ABAP Cloud)
- NetSuite SuiteScript
- Microsoft Power Platform
- ServiceNow App Engine
Must-Have Features for MVP
WASM rules runtime with deterministic mode and resource quotas
Visual rule builder with versioning, approvals, and diff
Event connectors for SAP/Oracle/Dynamics/NetSuite
Test harness using redacted production snapshots
Global kill‑switch and instant rollback
Optional micro‑frontend injections for allowed UIs (sidecar portal or vendor frameworks)
⚠️ Potential Challenges
- IT governance and segregation of duties approvals
- Vendor support boundaries for extensions
- Runtime performance overhead if rules explode
- Securing tenant isolation for multi‑tenant rules
- Change management and training
Risk Level: Moderate
🎯 Keys to Success
- Deploy new rule in under 1 business day without ERP core changes
- Complete audit trail of who changed what and when
- Zero‑downtime rollouts with canary/A‑B support
- Upgrades to ERP remain unaffected by extensions
Ready to Build This?
This moderate-difficulty project could be your next micro-SaaS success.