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capture

capture(): object

Creates a message capture middleware that records model inputs and outputs.

The middleware installs a model hook that snapshots ctx.messages before each LLM call and records the response after. All captures are accumulated in result.turns.

Returns

Section titled “Returns”

object

Object with middleware to install and result to inspect captures

middleware

Section titled “middleware”

middleware: Middleware

result

Section titled “result”

result: CaptureResult

Example

Section titled “Example”
const { middleware, result } = capture()
const agent = new Agent({ name: "test", model, instructions: "test", defaults: false })
  .use(middleware)


await agent.run("Hello").result
console.log(result.turns[0].input)    // messages sent to model
console.log(result.turns[0].response) // model response