---
name: authentication-migrator
description: Migrate authentication systems with credential migration, OAuth2/OIDC setup, and identity provider integration
allowed-tools: ["Bash", "Read", "Write", "Grep", "Glob", "Edit"]
graph:
  domains: [domain:software-engineering]
  specializations: [specialization:code-migration-modernization]
  skillAreas: [skill-area:oauth-flows, skill-area:authentication-authorization]
  roles: [role:security-engineer, role:backend-engineer]
  workflows: [workflow:technical-debt-reduction]
  topics: [topic:refactoring]
---

# Authentication Migrator Skill

Migrates authentication systems, handling credential migration, session-to-token conversion, and identity provider integration.

## Purpose

Enable authentication modernization for:
- Credential migration
- Session to token conversion
- OAuth2/OIDC setup
- MFA migration
- Identity provider integration

## Capabilities

### 1. Credential Migration
- Extract user credentials
- Hash conversion
- Secure transfer
- Validation testing

### 2. Session to Token Conversion
- Migrate from sessions
- Implement JWT tokens
- Handle refresh tokens
- Manage token lifecycle

### 3. OAuth2/OIDC Setup
- Configure authorization server
- Set up flows
- Implement scopes
- Handle client credentials

### 4. MFA Migration
- Transfer MFA settings
- Support multiple methods
- Handle device registration
- Manage recovery codes

### 5. Identity Provider Integration
- Configure IdP connections
- Set up federation
- Handle SAML/OIDC
- Manage user sync

### 6. User Migration Scripts
- Generate migration scripts
- Handle data transformation
- Validate migration
- Support rollback

## Tool Integrations

| Tool | Purpose | Integration Method |
|------|---------|-------------------|
| Auth0 | Identity platform | API |
| Keycloak | Open source IdP | API/CLI |
| Okta | Identity management | API |
| AWS Cognito | AWS identity | CLI |
| Azure AD B2C | Azure identity | CLI |

## Output Schema

```json
{
  "migrationId": "string",
  "timestamp": "ISO8601",
  "users": {
    "total": "number",
    "migrated": "number",
    "failed": "number"
  },
  "credentials": {
    "passwords": "number",
    "mfaDevices": "number"
  },
  "configuration": {
    "oauth2": {},
    "idpConnections": []
  },
  "validation": {
    "loginTests": {},
    "tokenTests": {}
  }
}
```

## Integration with Migration Processes

- **authentication-modernization**: Primary migration tool

## Related Skills

- `compliance-validator`: Security compliance

## Related Agents

- `authentication-migration-agent`: Migration orchestration


---
Source attribution: a5c-ai
Original project: https://github.com/a5c-ai/babysitter
License: MIT
License information: https://opensource.org/license/mit
Original upstream instructions; downloaded from Mega AI Hub.

## Upstream license notice

MIT License

Copyright (c) 2026 Gabriel Moreira

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.



# Mega AI Hub resource metadata

Creator / publisher: a5c-ai
Original project: https://github.com/a5c-ai/babysitter
Attribution basis: Upstream repository explicitly recorded in package mirror path

Fields of work: Development & Engineering, Operations, Product Management
Roles: Backend Developer, DevOps / SRE, IT Operations, Product Manager, Security Engineer
Specialties: API, Backend
Tools: Auth0, Keycloak, Okta, Aws Cognito, Azure Ad B2C
Country applicability: Country not specified
Classification basis: Source catalog labels
Instruction SHA-256: 81c7c05b2359c729879639da91153d371613460e905b90a35b9f92beab09907a