Agent Operating System — v1.2.2: A2A protocol (Task/Message/Artifact/Handoff/Client+Server)
Project description
Nexus AgentOS v1.1.7
Production-ready multi-agent framework with Checkpoint/Recovery for long-running DAG workflows.
v1.1.7 New: Checkpoint & Restore
ToolOrchestrator now supports DAG execution checkpointing:
from agentos import ToolOrchestrator, DAGBuilder, CheckpointData, chain_builder
orch = ToolOrchestrator(registry)
dag = chain_builder("my_chain", ["tool_a", "tool_b", "tool_c"])
# Save checkpoint mid-execution
cp = orch.checkpoint(dag) # → CheckpointData
cp.to_json() # serialize to disk/DB
# Later: restore and resume from checkpoint
orch.restore_from_checkpoint(dag, checkpoint)
await orch.execute(dag) # skips completed nodes, resumes from breakpoint
# Auto-checkpointing
await orch.execute_with_checkpoint(dag, checkpoint_callback=save_to_db)
Installation
pip install nexus-agentos==1.1.7
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