Compare open source agent identity management with Microsoft's enterprise solution. Choose the right approach for your AI agent security needs.
by OpenA2A
Open source agent identity management. Self-hosted, vendor-agnostic, works with any AI framework.
by Microsoft
Enterprise agent identity within the Microsoft ecosystem. Integrated with Azure AD and Microsoft 365.
| Feature | AIM | Microsoft Entra |
|---|---|---|
| Licensing | Apache-2.0 (Free) | Proprietary (Enterprise pricing) |
| Deployment | Self-hosted or Cloud | Azure Cloud only |
| Vendor Lock-in | None | Microsoft ecosystem |
| AI Framework Support | Any (LangChain, CrewAI, AutoGen, etc.) | Copilot Studio, Azure AI |
| Cryptographic Identity | Ed25519 keypairs | Azure AD certificates |
| Capability-Based Access | Built-in | Via Azure RBAC |
| Continuous Trust Scoring | 8-factor model | Via Conditional Access |
| MCP Server Attestation | Native support | Not supported |
| Audit Logging | Cryptographically signed | Azure Monitor |
| Setup Time | Minutes (one line of code) | Hours to days (enterprise setup) |
| Source Code Access | Full access | Closed source |
| Data Residency | Your infrastructure | Microsoft Azure regions |
| Cost | Free forever | Per-user/per-agent pricing |
No per-agent pricing, no licensing fees, no surprise bills. Open source means free forever.
Works with LangChain, CrewAI, AutoGen, custom agents, and any Python-based AI system.
Built-in support for MCP server discovery, attestation, and monitoring—something Microsoft doesn't offer.
AIM integrates with your existing AI agents in minutes, not days.
# Before: Unsecured agent
from langchain import Agent
agent = Agent(name="my-agent")
# After: Secured with AIM (one line change)
from aim_sdk import secure
agent = secure("my-agent")
# That's it. Your agent now has:
# ✓ Ed25519 cryptographic identity
# ✓ Capability-based access control
# ✓ Continuous trust scoring
# ✓ Complete audit loggingGet started in minutes. Open source, self-hosted, free forever.
Apache-2.0 license • Self-hosted • No vendor lock-in