Capability Matrix
Complete feature comparison across Substrate's product portfolio.
| Capability | CodeGraft | Chronicle | Sentinel | TrialGuard | Nexus EA | Nexus Agent |
| Knowledge Graph | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| GraphRAG Query | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| WebSocket Real-Time | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
| Policy Engine | ✅ | — | ✅ | ✅ | ✅ | ✅ |
| WHY Layer | ✅ | ✅ | — | — | ✅ | — |
| Drift Detection | ✅ | — | ✅ | — | ✅ | — |
| Simulation | ✅ | — | — | — | ✅ | ✅ |
| Local AI Inference | ✅ | ✅ | ✅ | ✅ | ✅ | ✅ |
CodeGraft (AI Code Governance)
| Feature | Starter | Team | Scale | Enterprise |
| Core | | | | |
| Live Architecture Graph | Read-only | ✅ | ✅ | ✅ |
| GitHub Integration | 1 repo | 20 repos | Unlimited | Unlimited |
| AST Parsing | ✅ | ✅ | ✅ | ✅ |
| Import Dependency Extraction | ✅ | ✅ | ✅ | ✅ |
| Governance | | | | |
| Policy Engine | — | ✅ | ✅ | ✅ |
| OPA/Rego Evaluation | — | ✅ | ✅ | ✅ |
| PR Blocking | — | ✅ | ✅ | ✅ |
| GitHub Checks Integration | — | ✅ | ✅ | ✅ |
| Pre-Bundled Policy Packs | — | 6 packs | 6 packs | Custom packs |
| Memory | | | | |
| ADR Ingestion | — | ✅ | ✅ | ✅ |
| Post-Mortem Linking | — | ✅ | ✅ | ✅ |
| WHY Edge Queries | — | ✅ | ✅ | ✅ |
| Advanced | | | | |
| Simulation Engine | — | ✅ | ✅ | ✅ |
| SSH Runtime Connector | — | 10 hosts | Unlimited | Unlimited |
| Custom Policies | — | — | ✅ | ✅ |
| Enterprise | | | | |
| Multi-Team Isolation | — | — | ✅ | ✅ |
| Audit Export | — | — | ✅ | ✅ |
| Custom LoRA Adapters | — | — | — | ✅ |
| Air-Gap Deployment | — | — | — | ✅ |
Chronicle (Institutional Memory)
| Feature | Team | Scale | Enterprise |
| Capture | | | |
| ADR Management | ✅ | ✅ | ✅ |
| Post-Mortem Repository | ✅ | ✅ | ✅ |
| PR Comment Ingestion | ✅ | ✅ | ✅ |
| Slack Decision Capture | — | ✅ | ✅ |
| Query | | | |
| Natural Language Search | ✅ | ✅ | ✅ |
| Citation Generation | ✅ | ✅ | ✅ |
| Temporal Queries | ✅ | ✅ | ✅ |
| Verification | | | |
| Confidence Scoring | ✅ | ✅ | ✅ |
| Verification Queue | ✅ | ✅ | ✅ |
| Human-in-Loop Review | ✅ | ✅ | ✅ |
| Enterprise | | | |
| Custom Retention Policies | — | ✅ | ✅ |
| Export/Import | — | ✅ | ✅ |
| API Access | — | ✅ | ✅ |
Sentinel (Supply Chain Integrity)
| Feature | Scale | Enterprise |
| Visibility | | |
| Tier 1 Supplier Mapping | ✅ | ✅ |
| Tier 2-4 Discovery | — | ✅ |
| Multi-Tier Graph | — | ✅ |
| Governance | | |
| Supply Chain Policies | ✅ | ✅ |
| Compliance Validation | ✅ | ✅ |
| ESG Rule Enforcement | ✅ | ✅ |
| Risk | | |
| Concentration Detection | ✅ | ✅ |
| Geopolitical Risk Scoring | — | ✅ |
| Financial Health Monitoring | — | ✅ |
| Simulation | | |
| Disruption Impact Analysis | ✅ | ✅ |
| Alternative Routing | — | ✅ |
TrialGuard (Clinical Protocol Enforcement)
| Feature | Enterprise |
| Protocol | |
| Protocol Ingestion | ✅ |
| Rule Extraction | ✅ |
| Cross-Reference Validation | ✅ |
| Enforcement | |
| Real-Time Protocol Check | ✅ |
| Prerequisite Validation | ✅ |
| Visit Window Enforcement | ✅ |
| Compliance | |
| 21 CFR Part 11 | ✅ |
| GCP Compliance | ✅ |
| Audit Trail | ✅ |
| Reporting | |
| Deviation Analytics | ✅ |
| Protocol Amendment Handling | ✅ |
| Inspection Readiness | ✅ |
Nexus EA (Enterprise Architecture)
| Feature | Scale | Enterprise |
| Discovery | | |
| Auto-Discovery (Cloud/On-Prem) | ✅ | ✅ |
| Application Portfolio Mapping | ✅ | ✅ |
| Dependency Extraction | ✅ | ✅ |
| Governance | | |
| Architecture Principles | ✅ | ✅ |
| Standards Enforcement | ✅ | ✅ |
| Technical Debt Quantification | ✅ | ✅ |
| Planning | | |
| Roadmap Simulation | ✅ | ✅ |
| Migration Planning | — | ✅ |
| Cost Optimization Analysis | — | ✅ |
| Integration | | |
| CMDB Sync | ✅ | ✅ |
| APM Integration | ✅ | ✅ |
| Cloud API Integration | ✅ | ✅ |
Nexus Agent (Robotics Governance)
| Feature | Enterprise |
| Control | |
| Multi-Fleet Coordination | ✅ |
| Cross-Vendor Integration | ✅ |
| ROS 2 Support | ✅ |
| Safety | |
| Safety Policy Enforcement | ✅ |
| Real-Time Validation | ✅ |
| Collision Prevention | ✅ |
| Compliance | |
| ISO 10218 | ✅ |
| ISO/TS 15066 | ✅ |
| OSHA Compliance | ✅ |
| Analytics | |
| Fleet Performance | ✅ |
| Anomaly Detection | ✅ |
| Predictive Maintenance | — |
| Service | All Products | Description |
| Gateway | ✅ | Authentication, routing, rate limiting |
| Ingestion | ✅ | Connector framework, job system |
| Graph Service | ✅ | Graph operations, drift detection |
| RAG Orchestrator | ✅ | Natural language queries |
Infrastructure Requirements
| Component | Starter | Team | Scale | Enterprise |
| Compute | | | | |
| CPU Cores | Shared | 8 | 16 | 32+ |
| Memory | Shared | 32 GB | 64 GB | 128 GB+ |
| GPU | — | Optional | DGX Spark | DGX Spark+ |
| Storage | | | | |
| Graph DB | Shared | 50 GB | 200 GB | 500 GB+ |
| Relational | Shared | 20 GB | 100 GB | 500 GB+ |
| Retention | 7 days | 12 months | 24 months | Infinite |
| Availability | | | | |
| SLA | None | None | None | 99.9% |
| Support | Community | Email 48h | Email 24h | Phone 4h |
Integration Matrix
| Integration | CodeGraft | Chronicle | Sentinel | TrialGuard | Nexus EA |
| Code | | | | | |
| GitHub | ✅ | ✅ | — | — | — |
| GitLab | ✅ | ✅ | — | — | — |
| Bitbucket | ✅ | — | — | — | — |
| Infrastructure | | | | | |
| Kubernetes | ✅ | — | — | — | ✅ |
| Terraform | ✅ | — | — | — | ✅ |
| AWS/Azure/GCP | — | — | — | — | ✅ |
| Project | | | | | |
| Jira | ✅ | ✅ | — | — | ✅ |
| Azure DevOps | ✅ | — | — | — | ✅ |
| Communication | | | | | |
| Slack | — | ✅ | — | — | — |
| Microsoft Teams | — | — | — | — | — |
| Clinical | | | | | |
| Medidata Rave | — | — | — | ✅ | — |
| Veeva Vault | — | — | — | ✅ | — |
| Supply Chain | | | | | |
| SAP | — | — | ✅ | — | — |
| Oracle SCM | — | — | ✅ | — | — |
| Robotics | | | | | |
| ROS 2 | — | — | — | — | — |
| Locus/Fetch/6 River | — | — | — | — | — |
Policy Packs
| Pack | CodeGraft | Sentinel | TrialGuard | Nexus EA |
| Code Quality | | | | |
| No Circular Dependencies | ✅ | — | — | — |
| SOLID Principles | ✅ | — | — | — |
| DRY Enforcement | ✅ | — | — | — |
| TDD Coverage | ✅ | — | — | — |
| Architecture | | | | |
| API Gateway First | ✅ | — | — | ✅ |
| Service Ownership | ✅ | — | — | ✅ |
| API-First Development | ✅ | — | — | — |
| Compliance | | | | |
| License Compliance | ✅ | — | — | — |
| PCI Boundary | ✅ | — | — | — |
| GDPR Data Flow | — | — | — | ✅ |
| Domain-Specific | | | | |
| Supply Chain ESG | — | ✅ | — | — |
| Clinical Protocol | — | — | ✅ | — |
| Robotics Safety | — | — | — | — |