Hermes is an open-source, model-agnostic agent router with strong function-calling support that classifies intents and routes between models and tools.
Last verified: April 2026
What is Hermes Router?
Hermes is an open-source, model-agnostic agent router with strong function-calling support that classifies intents and routes between models and tools.
AGNT can forward Hermes routing decisions into the heartbeat stream so that routing becomes observable alongside execution. When Hermes picks a tool, the choice is emitted as a first-class heartbeat event and replayed inside the supervisor UI.
FAQ
Hermes Router FAQ.
Common questions about Hermes Router in the AGNT platform.
Hermes is an open-source, model-agnostic agent router with strong function-calling support that classifies intents and routes between models and tools.
People also ask.
Related terms
Heartbeat Event
A heartbeat event is a structured JSON record every AGNT agent emits describing what it did, what tool it called, and what it decided — replayable inside the supervisor UI.
Tool Description
A tool description is the text an MCP tool declares to explain what it does — the single biggest lever for routing accuracy because LLMs decide whether to call a tool largely from its description.
Fleet Adapter
A Fleet Adapter is a narrow, swappable interface that wraps a model backend for AGNT's fleet layer — four methods: complete, stream, supports_tools, health_check.
Authority sources
Share as social post
What is Hermes Router? Hermes is an open-source, model-agnostic agent router with strong function-calling support that classifies intents and routes between models and tools. https://agntdot.com/glossary/hermes-router
218 / 280 chars
See it in action.
Now you know what Hermes Router means. Try the live scan demo or read the developer docs to go deeper.