mikeparcewski/maturity-model

Agentic System Maturity Model

Framework for assessing and advancing the maturity of agentic systems across five levels.

The Five Levels

Level 0: Prototype

Definition: Proof of concept, demonstrates core functionality.

Characteristics:

• Single agent or simple multi-agent setup
• Hardcoded prompts and logic
• No error handling
• No observability
• No safety guardrails
• Works in happy path only

Appropriate for: Experiments, demos, early exploration

Level 1: Functional

Definition: Works reliably for basic scenarios, handles common errors.

Characteristics:

• Multiple specialized agents
• Basic error handling (try/catch)
• Simple logging
• Timeout mechanisms
• Manual testing only
• Configuration externalized

Appropriate for: Internal tools, limited user testing

Level 2: Reliable

Definition: Production-ready for limited scale, monitored and tested.

Characteristics:

• Comprehensive error handling
• Structured logging and basic tracing
• Automated testing (unit + integration)
• Human-in-the-loop for high-stakes actions
• Basic safety guardrails
• Incident response process

Appropriate for: Production with limited users, internal production use

Level 3: Production

Definition: Scaled production system, handles load and failures gracefully.

Characteristics:

• Scales horizontally
• Advanced observability (logs, metrics, traces)
• Comprehensive safety system
• Automated testing and deployment
• SLOs and SLA tracking
• Cost monitoring and optimization

Appropriate for: Large-scale production, external users

Level 4: Optimized

Definition: Continuously improving, data-driven optimization.

Characteristics:

• A/B testing of prompts and strategies
• Automated performance optimization
• Self-healing capabilities
• Advanced cost optimization
• Real-time quality monitoring
• Feedback loops for improvement

Appropriate for: Mature, business-critical systems

Maturity Dimensions

Assess maturity across these dimensions:

1. Reliability

• L0: Works sometimes
• L1: Works for common cases
• L2: Handles errors gracefully
• L3: Self-recovers from failures
• L4: Predicts and prevents failures

2. Observability

• L0: No logging
• L1: Print statements
• L2: Structured logs + basic metrics
• L3: Distributed tracing + dashboards
• L4: Real-time analytics + predictive monitoring

3. Safety

• L0: No guardrails
• L1: Basic input validation
• L2: Human-in-the-loop for risky actions
• L3: Comprehensive safety system
• L4: ML-powered anomaly detection

4. Testing

• L0: Manual only
• L1: Some unit tests
• L2: Automated test suite (70%+ coverage)
• L3: Integration + e2e + load testing
• L4: Continuous testing + mutation testing

5. Scalability

• L0: Single instance
• L1: Handles 10s of requests
• L2: Handles 100s of requests
• L3: Handles 1000s of requests
• L4: Auto-scales based on load

6. Cost

• L0: No tracking
• L1: Manual tracking
• L2: Automated tracking
• L3: Per-request cost monitoring
• L4: Automated optimization

Quick Self-Assessment

Rate your system (0-4) on each dimension:

Reliability:     [ ]
Observability:   [ ]
Safety:          [ ]
Testing:         [ ]
Scalability:     [ ]
Cost:            [ ]

Average Score:   [ ]

Overall Maturity Level:

• Average 0-0.5: Level 0 (Prototype)
• Average 0.5-1.5: Level 1 (Functional)
• Average 1.5-2.5: Level 2 (Reliable)
• Average 2.5-3.5: Level 3 (Production)
• Average 3.5-4.0: Level 4 (Optimized)

Anti-Patterns by Level

L0-L1 Mistakes:

• Deploying prototype to production
• No error handling
• Hardcoded secrets

L1-L2 Mistakes:

• No testing before production
• Print statements in production
• No monitoring

L2-L3 Mistakes:

• Single instance in production
• No cost tracking
• Manual deployments at scale

L3-L4 Mistakes:

• Not investing in automation
• Ignoring user feedback
• No continuous improvement culture

References

• refs/assessment-rubric-dimensions.md - Scoring rubric for dimensions 1-4 (Reliability, Observability, Safety, Testing) with scoring template and prioritization
• refs/assessment-rubric-dimensions5-8.md - Scoring rubric for dimensions 5-8 (Scalability, Cost, Development Velocity, Documentation) with example assessment
• refs/assessment-checklists-progression.md - Must-have checklists, exit criteria, and progression guidance by level