Chaos engineering on your architecture diagram

SysSimulator includes 28 chaos scenarios you can aim at specific components. Effects compose with live traffic so you can narrate blast radius, degradation, and recovery—similar vocabulary to production chaos tools, but running entirely in the browser for learning and interviews.

While the sim runs, watch the live status bar (RPS, p99, error share, bottleneck count). For a deeper readout—latency history, bottleneck list, and a short glossary of what each signal means—use toolbar Metrics to open the full-page System metrics analysis view, then return to the canvas to keep experimenting.

Six universal themes

• Network: latency, partitions, packet loss, bandwidth limits
• Infrastructure: node loss, disk pressure, CPU/memory spikes
• Traffic: spikes, oversized payloads, slow clients, herd effects
• Data layer: database crashes, replication lag, cache stampedes, pool exhaustion
• Application: leaks, thread exhaustion, deadlocks, cascading failure
• Dependencies: third-party timeouts, degraded APIs, synthetic errors, rate limits

MCP / AI agent blueprints

When you load a blueprint built for MCP agents, an additional set of MCP-only scenarios unlocks (tool server timeouts, token budget stress, policy denials, vector index staleness, and related modes). They never appear on classic microservice diagrams—so the catalog stays honest.

For feature-level detail see the documentation and FAQ.

Open simulator