Phaseo Agent SDK (Python)

phaseo-agent-sdk is the native Python runtime for building tool-using applications on Phaseo Gateway.

It provides:

• create_agent(...)
• define_tool(...)
• create_gateway_agent_client(...)
• bounded and concurrent local tool execution with per-tool timeouts
• model retry/backoff, lifecycle events, and serializable run state
• human-review pauses and continue_run(...)
• Phaseo Devtools capture for runs and continuations

Install

pip install phaseo phaseo-agent-sdk

Quickstart

from phaseo_agent import create_agent, create_gateway_agent_client

agent = create_agent({
    "id": "quickstart-agent",
    "model": "openai/gpt-5.4-nano",
    "instructions": "Answer concisely and helpfully.",
})

result = agent.run(
    input="Give me one fun fact about cURL.",
    client=create_gateway_agent_client(),
)

print(result.output)