Hermes Agent is an open AI agent project focused on giving models tools and workflows for completing multi-step tasks across environments and connected capabilities. It is aimed at teams and builders who want practical, repeatable workflows with AI.
Persistent memory, project context, and reusable skills across sessions
Runs through desktop, CLI, servers, cloud backends, and messaging apps
Supports MCP, web tools, voice mode, scheduling, and sandboxed execution
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About
Hermes Agent is an open-source AI agent from Nous Research built for people who want a persistent agent instead of a one-off chatbot. It runs through desktop, CLI, messaging apps, servers, or cloud backends, then keeps memory, project context, skills, and tool configuration across sessions.
The product is strongest for technical users who want an agent that can live outside a single IDE. Hermes can work through Telegram, Discord, Slack, WhatsApp, email, CLI, and other gateways, while using tools for web search, browsing, image generation, TTS, voice mode, MCP servers, cron scheduling, terminals, and sandboxed execution.
Its learning loop is the main difference. Hermes can create reusable skills from prior work, use persistent memory, manage context files, delegate to subagents, and route across model providers such as Nous Portal, OpenRouter, OpenAI, Anthropic, or compatible endpoints. That makes it useful for research, coding support, scheduled reports, lightweight operations, and personal automation.
Hermes is not the easiest beginner AI app. Setup, provider selection, API keys, model costs, tool approvals, and cloud hosting choices still matter. It is best for developers, founders, and power users who want a flexible self-hostable agent with serious control rather than a polished consumer assistant.
Use Cases
Autonomous Agent Tasks
Give an AI agent tools and context needed to complete multi-step tasks with less manual intervention.
Tool-Using Agents
Connect models with capabilities that let them act beyond simple text generation.
Agent Experiments
Prototype and test agent workflows for research, coding, and other practical tasks.
Open Agent Development
Explore an open agent approach that developers can adapt to their own workflows.
Key Features
Persistent memory, project context, and reusable skills across sessions
Runs through desktop, CLI, servers, cloud backends, and messaging apps
Supports MCP, web tools, voice mode, scheduling, and sandboxed execution
Works with Nous Portal, OpenRouter, OpenAI, Anthropic, and compatible providers
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Pricing summary
Hermes Agent is free and MIT licensed to install. Costs depend on how you run it: self-hosting resources, BYOK API usage, or optional Nous Portal subscription tiers for unified model and tool access.
Pricing & Plans
Popular
Open Source
MIT licensed agent you can install and run yourself.
Free
Desktop and CLI installs
Persistent memory and skills
Messaging gateway support
Bring your own providers
BYOK Providers
Use your own model, search, browser, and tool API keys.
Custom
OpenRouter and direct provider support
Custom model routing
Separate API billing
Flexible advanced setup
Nous Portal
Optional Nous subscription gateway for models and tools.
Custom
Unified model access
Tool Gateway support
OAuth based setup
Paid tiers include monthly credits
Other pricing notes
The Hermes Agent codebase is open source under the MIT license.
Actual usage cost depends on model providers, tools, hosting, and message volume.
Nous Portal is optional; check public pricing before buying.