Orchestra ML Operators

Complete reference for all operators and their precedence rules

Core Operators

OperationDescriptionExample
promptTask sent to default agent (@system)analyze this data
@agent promptTask sent to one specific agent@writer draft article
@a1 @a2 promptTask sent to both agents@dev @designer create UI
A | BChain Operator - Sequential chain, A then B@research | @write
A & BParallel Operator - Parallel execution@a task & @b task
A > BMerge Operator - B depends on A@a & @b > @c
A < B CFan-out Operator - B and C depend on A@a task < @b @c
{{ var }}Variable substitution{{ topic }}
( )Grouping for precedence control(@a | @b) & @c

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Now that you understand the operators and their precedence, explore real-world examples and patterns for building powerful multi-agent workflows.