API reference

Auto-generated from the live docstrings in lazybridge.*. Pair with the Guides for narrative explanations and the Recipes for runnable examples.

Primary

• Agent + Envelope — the universal wrapper and the typed result object every run produces.

Tools

• Tool family — Tool + the Tool.wrap() classmethod factory, the ToolProvider protocol, NativeTool enum.

State

• State primitives — Memory, Store.
• Session & observability — Session, EventLog, EventType, GraphSchema, exporters.
• Guards — Guard, ContentGuard, GuardChain, LLMGuard, GuardError.

Engines & orchestration

• Engines — LLMEngine, Plan, Step, PlanCompileError, ToolTimeoutError, StreamStallError.
• Multi-agent graphs — AgentPool, conclude, ConcludeSignal for dynamic, LLM-routed agent systems.
• Sentinels & predicates — from_* sentinels and the when DSL for routing.

Extensions

• Extension engines — HumanEngine, SupervisorEngine, MCP integration, EvalSuite, Visualizer, OTelExporter.
• Custom providers — BaseProvider + the LLMEngine.register_provider_* registry.

Configuration & testing

• Runtime configs & testing — CacheConfig (kept) and MockAgent. The 0.7-era AgentRuntimeConfig / ResilienceConfig / ObservabilityConfig were deleted in 0.7.9; fleet config uses a flat-kwarg dict spread now.