golem-schedule-agent-rust

Agent Building

Scheduling a future invocation on a Rust Golem agent. Use when asked to schedule, delay, or plan a future agent method invocation using golem agent invoke --trigger --schedule-at.

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Scheduling a Future Agent Invocation

Both golem and golem-cli can be used — all commands below work with either binary.

Usage

golem agent invoke --trigger --schedule-at <DATETIME> <AGENT_ID> <FUNCTION_NAME> [ARGUMENTS...]

The --schedule-at flag schedules the invocation to execute at a specific future time. It requires the --trigger flag because scheduled invocations are always fire-and-forget — the CLI returns immediately after the invocation is enqueued.

DateTime Format

The --schedule-at value must be in ISO 8601 / RFC 3339 format with a timezone:

2026-03-15T10:30:00Z          # UTC
2026-03-15T10:30:00+02:00     # With timezone offset

Examples

Schedule a method to run at a specific time

golem agent invoke --trigger --schedule-at 2026-03-15T10:30:00Z 'MyAgent()' run_daily_report

Schedule with parameters

golem agent invoke --trigger --schedule-at 2026-04-01T00:00:00Z 'BatchProcessor("daily")' generate_report '"Q1-2026"'

Schedule in a specific environment

golem agent invoke --trigger --schedule-at 2026-03-15T08:00:00Z 'production/NotificationAgent()' send_reminders

Schedule with an idempotency key for deduplication

golem agent invoke --trigger --schedule-at 2026-03-15T10:30:00Z -i 'report-2026-03-15' 'ReportAgent()' generate_daily

Available Options

Option	Description
`-t, --trigger`	Required with `--schedule-at`. Fire-and-forget mode
`--schedule-at <DATETIME>`	The time to execute the invocation (ISO 8601 / RFC 3339)
`-i, --idempotency-key <KEY>`	Set a specific idempotency key; use `"-"` for auto-generated
`--no-stream`	Disable live streaming of agent stdout/stderr/log

How It Works

The CLI sends the invocation request with the scheduled time to the Golem server
The server enqueues the invocation to execute at the specified time
The CLI returns immediately with the idempotency key
At the scheduled time, the Golem runtime executes the invocation

Idempotency

Scheduled invocations use idempotency keys just like regular invocations. Providing the same idempotency key for a scheduled invocation ensures it is not executed more than once, even if the CLI command is retried.

Auto-Deploy

If the agent's component has not been deployed yet and the CLI is run from an application directory, the command will automatically build and deploy the component before scheduling.

Value Syntax

The agent ID parameters and method arguments use Rust syntax:

Field names use snake_case
Options: Some(value) / None
Records: MyRecord { field_one: 1, field_two: "hello" }
Enums/Variants: MyEnum::VariantName(value)
Tuples: (1, "hello")

golem agent invoke --trigger --schedule-at 2026-03-15T10:30:00Z 'MyAgent("user-123")' run_task 'TaskConfig { priority: 1, retry: true }'