
Hermes Agent
Open-source self-improving AI agent for terminal, messaging, and automations

About Hermes Agent
Overview
Hermes Agent is an open-source, MIT-licensed autonomous agent from Nous Research that runs through a full terminal UI or a messaging gateway and keeps persistent memory across sessions. It supports subagents, natural-language scheduled automations, multiple terminal backends, and MCP integration for self-hosted workflows that span CLI, Telegram, Discord, Slack, WhatsApp, Signal, and more. Open-source repository: github.com/NousResearch/hermes-agent
Key Features
- Open-source and MIT-licensed, with a large public codebase and active community momentum.
- Combines terminal UI, messaging gateway, persistent memory, and scheduled automations in one product.
- Supports subagents, multiple terminal backends, and MCP integration for advanced self-hosted workflows.
- Works across local, VPS, and serverless-style environments instead of forcing an IDE-only workflow.
Snapshot
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Capabilities
- Browser use
- Terminal access
- Tool use
- API execution
- MCP support
- Memory
- Multi-step planning
- Human approval
- Execution logs
Best for
- Self-hosted agent workflows that need memory, messaging, and terminal execution together
- Teams or builders who want one agent identity across CLI, chat apps, and scheduled jobs
- Advanced users who need subagents, MCP, and environment flexibility under their own control
Not ideal for
- Users who want a zero-setup hosted chat tool
- Teams without the appetite to manage permissions, routing, and runtime environments
- Purely browser-centric workflows that do not benefit from terminal or messaging integrations
What reviewers say
Hermes Agent is best understood as a self-hosted agent runtime with memory, messaging, and automation built into the core loop. Its differentiator is not a polished chat shell alone, but the combination of persistent identity, multi-channel reach, and extensibility for long-running agent work.
Sources
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