Usage - Phaseo Docs

Install

gem install phaseo_sdk phaseo_agent_sdk

Quickstart

require "phaseo_agent_sdk"

agent = PhaseoAgentSdk.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: PhaseoAgentSdk.create_gateway_agent_client
)

puts result.output

What it ships

PhaseoAgentSdk.create_agent(...)
PhaseoAgentSdk.define_tool(...)
PhaseoAgentSdk.create_gateway_agent_client(...)
a bounded tool loop over the Phaseo responses API

Last modified on July 9, 2026