Agent Harness Architect: Production AI System Designer & Failure Simulator

Harness Layer Settings Resilient (94%)

Active Architecture Profile

Layer 1: Model Adapter

Base Model:

Call Timeout: 15000ms

Layer 2: Tool Registry & Permissions

Strict JSON Schema Dry-Run Flag

Rate Limit (call/min):

Layer 3: Session & State Store

Storage Engine:

Max History Turns:

Layer 4: Execution Sandbox

Isolation Level:

Strict Egress Filtering

Layer 5: Verification & Loop Guards

Max Step Iterations:

Human Gate on Writes/Refunds

Inject Real-World Stress Tests

Active Harness Topology (DeepSeek Thesis) Status: Guarded

1. Model Adapter Layer DeepSeek-V3 | Temp: 0.2 | Timeout: 15s | Streaming JSON Parser

Ready

2. Tool Registry & Permissions Strict Schemas [Active] | Dry-Run Interceptor [Enabled] | Rate Limit: 30 rpm

Ready

3. Session & State Store Ephemeral Redis + Snapshot diffing | Limit: 20 turns | Zero Memory Drift

Ready

4. Execution Sandbox gVisor MicroVM Container | Egress Whitelist Active | Non-Root FS

Isolated

5. Verification & Loop Guards Circuit Breaker (Max: 8 steps) | Human Approval Policy: db_write, refund_issue

Armed

Harness Execution & Interceptor Trace Log Real-Time Event Stream

00:00.00 HARNESS_INIT All 5 harness plugins initialized with deterministic telemetry. Awaiting action.

Harness Telemetry Breaker: Armed

Total Tool Calls

Tokens Consumed

Tools Intercepted

42ms

P99 Guard Latency

Active Circuit Breaker State

Circuit Breaker: Nominal (No safety violations detected).

Interception & State Snapshot

Step	Target Action	Interception Verdict
No actions logged yet.

2026 Production Incident Recovery

When an agent enters a hallucination trap or calls unverified mutating APIs, the harness wraps the model call in a bounded transactional envelope, restores the previous snapshot, and serves a structured fallback without model re-querying.