Import From
automagent Hub
CrewAI
OpenAI Agents SDK
LangChain
AutoGen
Google ADK
Semantic Kernel
LlamaIndex

One File.
Any Agent. Anywhere.

agent.yaml Universal Standard
Deploy To
CrewAI
OpenAI
LangChain
AutoGen
Google ADK
Semantic Kernel
LlamaIndex
automagent Hub
Infrastructure
AWS
Google Cloud
Azure
agent.yaml One file to define any agent
MCP Native Built for tool interoperability
Open Source MIT Licensed, community driven
Guardrails Behavioral rules built in
Governance Compliance and audit trails
The Spec

One file. Every detail.

agent.yaml is a declarative definition for any AI agent -- model, tools, guardrails, governance -- validated against a schema before it ever runs.

agent.yaml
name: code-reviewer
version: 1.0.0
model:
  provider: anthropic
  name: claude-sonnet-4-20250514
  fallback: gpt-4o

tools:
  - type: mcp
    server: github
    capabilities: [read_pull_request, post_review]

guardrails:
  max_tokens: 4096
  require_approval: false
  allowed_actions: [comment, suggest]

governance:
  owner: platform-team
  review_required: true
  audit_log: enabled
Model

Declare your model with automatic fallbacks. Switch providers without rewriting.

Tools

First-class MCP support. Connect to any tool server with declared capabilities.

Guardrails

Behavioral rules enforced at the definition layer. Not an afterthought.

Governance

Ownership, review gates, and audit trails built into every agent definition.

Read the full spec
The System

Define with confidence. Ship with certainty.

The spec, the CLI, and the hub work as one — so your team moves faster without breaking things.

The Spec
name: code-reviewer model: id: claude-sonnet-4-20250514 tools: - type: mcp server: github guardrails: max_tokens: 4096

One YAML file. Validated, versioned, portable.

The CLI
$ automagent validate Schema valid Model resolved No secrets detected Context files exist $ automagent run Agent ready. Listening...

Init, validate, run, import. Nothing else.

The Hub
code-reviewer 2.4k pulls
research-agent 1.8k pulls
data-analyst 1.1k pulls
+200 more agents

Pull curated agents. Push your own.

The Hub

Browse production-ready agents

Curated agent definitions you can pull and run. Built to production standards.

code-reviewer Popular

Automated PR reviews with inline suggestions and security checks.

$ automagent pull code-reviewer
research-assistant

Multi-source research with citations, summaries, and fact-checking.

$ automagent pull research-assistant
content-writer

Long-form content generation with tone control and brand guardrails.

$ automagent pull content-writer
data-analyst

SQL generation, data visualization, and insight extraction from any source.

$ automagent pull data-analyst
Browse the Hub

Define your first agent
in 60 seconds.

Install the CLI. Run init. You're building on an open standard.

$ npm install -g automagent