AIM vs Keycloak for AI Agents
Compare two open source identity solutions: AIM for AI agents and Keycloak for human users. Both self-hostable, different identity subjects.
AIM
by OpenA2A
Purpose-built for AI agents. Cryptographic identity, capability-based access, and continuous trust scoring. Open source and self-hosted.
Keycloak
by Red Hat / CNCF
Open source identity and access management for human users. SSO, OAuth/OIDC, SAML, user federation, and fine-grained authorization.
Key Distinction: Both Open Source, Different Identity Subjects
Both AIM and Keycloak are open source and self-hostable, but they solve different problems. Keycloak manages human user identity (SSO, OAuth, SAML, user directories). AIM manages AI agent identity (cryptographic proof, behavioral trust, capabilities). They complement each other rather than compete.
Feature Comparison
| Feature | AIM | Keycloak |
|---|---|---|
| Primary Focus | AI agent identity | Human user identity |
| Licensing | Apache-2.0 | Apache-2.0 |
| Self-Hosted | Yes | Yes |
| Cryptographic Agent Identity | Ed25519 per agent | Not designed for agents |
| Continuous Trust Scoring | 9-factor dynamic | Not available |
| Capability-Based Access | Code-level enforcement | Fine-grained RBAC |
| MCP Server Attestation | Native support | Not supported |
| AI Framework Integration | LangChain, CrewAI, etc. | Not applicable |
| Single Sign-On (SSO) | Not the focus | Core feature |
| OAuth 2.0 / OIDC | Not applicable | Full support |
| SAML 2.0 | Not applicable | Full support |
| User Federation (LDAP/AD) | Not applicable | LDAP, Kerberos, AD |
| Social Login | Not applicable | Google, GitHub, etc. |
| Operational Complexity | Simple (docker compose) | Moderate (Java, DB setup) |
| Cost | Open source | Open source |
Same Values, Different Problems
AIM: Agent Identity
AIM asks: "Is this AI agent trustworthy?"
- Cryptographic proof of agent identity
- Behavioral trust that evolves over time
- Capability boundaries enforced in code
- MCP server attestation
Keycloak: User Identity
Keycloak asks: "Is this person who they claim to be?"
- Single sign-on across applications
- OAuth/OIDC and SAML protocols
- LDAP/Active Directory federation
- Fine-grained user authorization
When to Choose Each Solution
Choose AIM if you...
- Are building or deploying AI agents
- Need to secure autonomous software (not humans)
- Use LangChain, CrewAI, or Claude Desktop
- Want cryptographic identity per agent
- Need continuous behavioral trust evaluation
- Require MCP server attestation
- Want minimal operational overhead
Choose Keycloak if you...
- Need to authenticate human users
- Want single sign-on across multiple apps
- Need OAuth/OIDC or SAML support
- Want to federate with LDAP/Active Directory
- Need social login (Google, GitHub, etc.)
- Require fine-grained user authorization
- Want open source alternative to Auth0/Okta
Time to Secure Your First Agent
5 Minutes
with AIM
N/A
with Keycloak
Different Approaches
AIM secures AI agents. Keycloak authenticates human users. Different tools for different jobs.
AIM: Secure AI Agents
from aim_sdk import secure
# Register and secure an AI agent
agent = secure(
"data-analyst",
capabilities=[
"database:read",
"api:call"
]
)
# Agent has cryptographic identity
# Capabilities are enforced
# Trust is continuously scoredKeycloak: Authenticate Humans
// Authenticate a human user
import Keycloak
from 'keycloak-js';
const keycloak = new Keycloak({
url: 'https://keycloak.example',
realm: 'my-realm',
clientId: 'my-app'
});
// Human logs in via browser
await keycloak.init({
onLoad: 'login-required'
});Use Both Together
AIM and Keycloak solve different problems and complement each other perfectly:
- Keycloak authenticates the human developer or admin
- AIM manages identity for the AI agents they deploy
- Keycloak SSO can gate access to the AIM dashboard
- AIM tracks which Keycloak user registered each agent
Human identity (Keycloak) + Agent identity (AIM) = Complete open source identity stack.
100% Open Source Stack
Both AIM and Keycloak are Apache-2.0 licensed and fully self-hostable. Together, they provide a complete open source identity solution: Keycloak for your human users, AIM for your AI agents. No vendor lock-in, no per-user pricing, complete control over your infrastructure.
Start Securing Your AI Agents Today
AIM provides what Keycloak can't: purpose-built identity for AI agents. Both open source, self-hosted, perfect together.
Apache-2.0 license • Self-hosted • Works alongside your Keycloak setup