# Multi-Agent

Build systems of cooperating agents.

## Pages

- [Topology selection](topology-selection.md) — Which topology or ROMA to pick, and when team/hierarchy/pipeline is a trap.
- [Topologies](topologies.md) — Hierarchical, peer, mesh, star group shapes.
- [Workflows](workflows.md) — Sequential, parallel, loop execution.
- [Council & Voting](council-voting.md) — Majority, weighted, quorum decisions.
- [Negotiation](negotiation.md) — Contract-net, auction, bargaining.
- [Judge Agent](judge.md) — Arbiter for conflicting outputs.
- [Protocols](protocols.md) — Group communication patterns.
- [Communication](communication.md) — Agent-to-agent messaging.
- [Auto Team Builder](auto-team.md) — LLM-driven team composition.
- [Advanced](advanced.md) — Delegation, advanced topologies, swarm.

## Related

- [AOSE methodology](../community/aose.md) — Where a new planner, resolution mode, org spec, or Magentic formation belongs.
