Patterns
๐Ÿ’ฌ

Conversational Orchestration

Multi-agent coordination through structured conversation patterns

Complexity: highPattern

Core Mechanism

Multi-agent coordination through structured, stateful conversation. A supervisor/router selects which agent speaks or acts next based on intent, context, and policy; agents exchange messages, call tools, and update shared conversation state. The orchestrator maintains memory, enforces guardrails, and terminates when success criteria are met, yielding a summarized, traceable outcome.

Workflow / Steps

  1. Intake: normalize goal, constraints, user profile, and initial context/memory.
  2. Initialize roles: register agents/tools; define capabilities and policies.
  3. Turn loop: route โ†’ agent speaks/acts โ†’ tools/retrieval โ†’ observe โ†’ update shared state.
  4. Safety: apply input/output filters, validations, and auth scopes each turn.
  5. Stopping: detect completion/impasse via heuristics or explicit success predicates.
  6. Summarize: distill final answer, provenance, and next-step recommendations.
  7. Learn: log traces, evals, costs; refine routing and prompts based on outcomes.

Best Practices

Use an explicit router/supervisor with typed state; keep steps idempotent.
Prefer small, fast models for routing/critique; reserve large models for hard reasoning.
Bound loops: max turns, per-turn token caps, wall-clock timeouts, and cancellation.
Maintain conversation memory with summarization and schema-based context packing.
Instrument traces, costs, latencies, tool I/O, and safety events; add regression evals.
Apply least-privilege credentials; validate tool outputs; implement circuit breakers.
Design clear role prompts and message schemas to avoid ambiguity and ping-pong loops.

When NOT to Use

  • Simple, single-step tasks where a single agent/tool suffices within SLOs.
  • Strict real-time paths with tight p95 latency budgets sensitive to turn-taking overhead.
  • High-risk actions without human review, auditing, or robust policy enforcement.
  • Teams lacking observability, evals, and operations maturity to monitor multi-agent flows.

Common Pitfalls

  • Agent ping-pong and recursion causing cost/token blowups.
  • Context drift and stale/shared state inconsistencies across turns.
  • Unvalidated tool effects, missing idempotency, or duplicate writes on retries.
  • Privilege creep: broad API scopes or long-lived secrets for many agents.

Key Features

Supervisor/router with policy- and capability-aware routing
Role registry and message schema for structured conversations
Stateful memory with summarization and retrieval integration
Tool/function calling with validation and guardrails
Parallel subthreads with arbitration/consensus when safe
Graph-based control (e.g., state graphs) for complex flows
Human-in-the-loop handoff and escalation paths
Full observability: traces, metrics, audits

KPIs / Success Metrics

  • Task resolution rate; handoff success; judge/arbiter agreement when used.
  • Turns to resolution; p50/p95 end-to-end latency; stuck/aborted session rate.
  • Cost/tokens per successful resolution; router accuracy vs ground truth.
  • Escalation-to-human rate; safety intervention frequency; MTTR by failure type.

Token / Resource Usage

  • Cap turns and per-turn tokens; compress context; cache conversation summaries.
  • Use small models for routing/classification; batch safe tool calls; parallelize where possible.
  • Apply backpressure/queues; per-edge timeouts and circuit breakers; stream partial outputs.
  • TTL for memory entries; checkpoint state for recovery; avoid unbounded fan-out.

Best Use Cases

  • Customer support triage with tool use, retrieval, and structured escalation.
  • Research, analysis, and drafting using expert debate/judge patterns.
  • Incident response and operations runbooks with multi-role collaboration.
  • Sales discovery and solutioning with role-based assistants and guardrails.

References & Further Reading

Patterns

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