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Hermes Agent

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Open-source autonomous AI agent with persistent memory, web browsing, automation, tool use, subagents, and multi-platform integrations.

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OVERVIEW

What is Hermes Agent?

Hermes Agent is an open-source autonomous AI agent developed by Nous Research that can use tools, remember information across sessions, create and improve skills, browse the web, execute commands, edit files, automate tasks, and delegate work to subagents. It can run locally or in the cloud and connect with platforms such as Telegram, Discord, Slack, WhatsApp, Signal, email, and CLI. Hermes also supports browser automation, voice interaction, image generation, persistent memory, scheduled tasks, MCP integrations, and multiple model providers.

Key features

  • Autonomous AI agent
  • Persistent cross-session memory
  • Self-improving skills system
  • Automatic skill creation
  • Web search and web extraction
  • Browser automation
  • Terminal command execution
  • File reading and editing
  • Subagent delegation
  • Scheduled tasks and cron automation
  • Multi-platform messaging integrations
  • Telegram integration
  • Discord integration
  • Slack integration
  • WhatsApp integration

How you can use it

Hermes Agent can be used to automate research, coding, web browsing, file management, repetitive computer tasks, content workflows, scheduled reports, data processing, and multi-step AI workflows. Developers can use it for terminal-based development and autonomous coding tasks, while researchers can use its web tools, memory, subagents and batch processing capabilities for research workflows. It can also operate through messaging platforms, remember projects and preferences across sessions, create reusable skills from experience, and delegate separate tasks to isolated subagents.

Plans & pricing

Hermes Agent itself is free and open source under the MIT license. Users can connect their own model provider or use Nous Portal for hosted models and tools. Nous Portal has a free tier with free models and standard rate limits. Paid Plus starts at $20/month and includes access to 200+ models, hosted tool usage, higher rate limits, and $22 in monthly credits. Super costs $100/month with $110 in monthly credits, while Ultra costs $200/month with $220 in monthly credits. Cloud hosting and model/tool usage can have separate costs depending on the setup.

The strengths & trade-offs

Pros

  • Free and open source
  • MIT licensed
  • Persistent memory across sessions
  • Can create and improve reusable skills
  • Supports multiple AI model providers
  • Includes powerful built-in tools
  • Supports browser automation
  • Can execute terminal commands
  • Supports autonomous subagents
  • Offers scheduled automation
  • Works across multiple messaging platforms

Cons

  • Requires technical setup for advanced use
  • Some hosted models and tools require paid credits
  • Cloud hosting can add additional costs
  • Advanced features may have a learning curve
  • Tool availability depends on configuration, platform and credentials

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Frequently asked questions

What is Hermes Agent?

Hermes Agent is an open-source autonomous AI agent developed by Nous Research that can use tools, remember information, browse the web, execute commands and automate multi-step tasks.

Is Hermes Agent free?

Yes. Hermes Agent is free and open source under the MIT license, although model providers and optional hosted services can have their own costs.

Does Hermes Agent have a free plan?

Yes. Nous Portal offers a free tier with access to free models and standard rate limits.

How much does Nous Portal cost?

Paid plans currently start at $20 per month for Plus, followed by $100 per month for Super and $200 per month for Ultra.

Does Hermes Agent support persistent memory?

Yes. Hermes stores memories, conversations and skills so the agent can continue working with information from previous sessions.

Can Hermes Agent browse the web?

Yes. Hermes includes web search, web extraction and browser automation capabilities.

Can Hermes Agent execute code?

Yes. Hermes can execute terminal commands and supports programmatic code execution through its execute_code tool.

Does Hermes Agent support multiple AI models?

Yes. It can work with Nous Portal, OpenRouter, OpenAI and other compatible model endpoints.

What platforms does Hermes Agent support?

Hermes can run on macOS, Windows, Linux, WSL2 and Android, with messaging integrations including Telegram, Discord, Slack, WhatsApp, Signal and email.

Can Hermes Agent create its own skills?

Yes. Its learning system can create skills from experience and improve them during use.

Is Hermes Agent open source?

Yes. Hermes Agent is open source and released under the MIT license.

Does Hermes Agent support MCP?

Yes. Hermes supports Model Context Protocol (MCP) servers to extend its capabilities with additional tools.