golem-invoke-agent-moonbit

Agent Building

Invoking a MoonBit Golem agent method from the CLI. Use when asked to call, invoke, or run a method on a deployed agent using golem agent invoke.

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Source SKILL.md: https://github.com/golemcloud/golem/blob/HEAD/golem-skills/skills/moonbit/golem-invoke-agent-moonbit/SKILL.md

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Invoking a Golem Agent with `golem agent invoke`

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

Usage

golem agent invoke <AGENT_ID> <FUNCTION_NAME> [ARGUMENTS...]

This invokes a method on a deployed agent and waits for the result. The agent is automatically created on first invocation if it does not exist yet. Standard output, error, and log streams from the agent are streamed live to the terminal by default.

Output

Text output renders return values using MoonBit syntax. Multiple return values are rendered as a MoonBit tuple, for example (1, "ok"). Methods returning Unit or no value print void in text mode.

For machine-readable output, use --format json or --format yaml. A single return value includes result plus resultJson; multiple return values include result plus resultsJson; methods returning Unit or no value omit result fields.

Agent ID Format

The agent ID identifies the agent type and its constructor parameters:

AgentTypeName(param1, param2, ...)

The agent ID can optionally be prefixed with environment or application paths:

Format	Description
`AgentTypeName(params)`	Standalone agent name
`env/AgentTypeName(params)`	Environment-specific
`app/env/AgentTypeName(params)`	Application and environment-specific
`account/app/env/AgentTypeName(params)`	Account, application, and environment-specific

For agents with no constructor parameters, use empty parentheses: AgentTypeName().

MoonBit-Specific Notes

Method names use snake_case — the same as written in the MoonBit source code
Agent type names use PascalCase — the struct name from the MoonBit source

Examples

Invoke a method with no parameters

golem agent invoke 'MyAgent()' get_status

Invoke a method with parameters

golem agent invoke 'MyAgent("user-123")' process_order '"order-456"' 42

Invoke with an agent that has constructor parameters

golem agent invoke 'ChatRoom("general")' send_message '"Hello, world!"'

Invoke in a specific environment

golem agent invoke 'staging/MyAgent("user-123")' get_status

Available Options

Option	Description
`-t, --trigger`	Only trigger the invocation without waiting for the result (fire-and-forget)
`-i, --idempotency-key <KEY>`	Set a specific idempotency key; use `"-"` for auto-generated
`--no-stream`	Disable live streaming of agent stdout/stderr/log
`--schedule-at <DATETIME>`	Schedule the invocation at a specific time (requires `--trigger`; ISO 8601 format)

Idempotency

Every invocation uses an idempotency key. If not provided, one is generated automatically. The same idempotency key guarantees that the invocation is executed at most once, even if the CLI call is retried.

golem agent invoke -i my-unique-key 'MyAgent()' do_work

Auto-Deploy

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

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 or MyEnum::VariantName(value)
Tuples: (1, "hello")
Results: Ok(value) / Err(value)

golem agent invoke 'MyAgent("user-123")' update_profile 'MyProfile { display_name: "Alice", age: Some(30) }'