fipa-00037-communicative-act-library

Choosing the right FIPA communicative act requires evaluating sender and receiver mental states using feasibility preconditions and rational effects to select actions like inform, request, query-if, or refuse. Decision trees map mental-state conditions to specific acts, ensuring agents exchange messages that accurately reflect their knowledge and intentions.

Handling failure in multi-agent communication protocols involves explicit refuse, failure, and not-understood acts combined with timeout strategies and cancellation procedures. Recovery patterns guide agents through cleanup protocols, preventing deadlocks when coordination fails or autonomous workers become unresponsive.

Building complex agent interactions uses compositional action expressions to combine small FIPA primitives like query-if and confirm into higher-level patterns such as subscribe or Contract Net interactions. This compositional approach enables structured protocol design from reusable messaging components.

FIPA communicative acts support agent federation and message routing through proxy, propagation, and store-and-forward patterns for scenarios where agents are not directly reachable. These routing strategies ensure message delivery across distributed autonomous agent networks despite connectivity gaps.

Use the refuse act when an agent cannot or will not attempt a requested action due to unmet preconditions, and the failure act when an attempted action was performed but did not succeed. Distinguishing these acts allows orchestrators to implement appropriate fallback and retry strategies.

Designing an orchestrator protocol for heterogeneous autonomous agents requires combining request acts with explicit refuse handling, timeout strategies, and duplicate work prevention patterns. Rational effect modeling ensures the orchestrator tracks agent commitments and mental states throughout task delegation.