Join the Waitlist
Be the first to know when OpenMCD launches. Get early access to our MCD compliance tools.
Platform Features
Explore what OpenMCD offers for mortgage compliance professionals.
MCD Data Structure Explorer
Interactive split-pane viewer showing MCD XML hierarchy alongside generated XML output.
- Hierarchical tree view of MCD data structure
- Synchronized XML source display with syntax highlighting
- Element details with MISMO® reference links
- Pre-built sample files for common loan scenarios
Validation Rules Library
Comprehensive catalog of MCD validation rules with full specifications and examples.
- Search and filter by category, regulation, or severity
- Detailed rule specifications with XPath conditions
- Valid and invalid examples for each rule
- Direct links to MISMO® specification references
Rules Discussion & Contribution
Participate in rule development through community discussion and feedback.
- Propose new validation rules based on your experience
- Comment on existing rules and suggest improvements
- Track rule proposals from idea to production
- View complete change history with audit trail
MCD XML Validator
Validate your MCD XML files against schema and business rules before submission.
- Public: Limited validations per day with sample files
- Authenticated: Unlimited validations, upload your own XML files
- Schema validation and business rule checking
- Detailed error reports with line numbers and fix suggestions
- Export validation reports in PDF or JSON format
Data Mapping Engine
Map your proprietary field definitions to MISMO® standard MCD data structure.
- Visual drag-and-drop field mapping interface
- Transform rules: format, calculate, concatenate, lookup
- Save mappings with unique GUID for API access
- Test transformations with sample data before production use
Transformation API
RESTful API for programmatic data transformation and validation.
- Transform proprietary JSON to MCD XML using your saved mappings
- Validate MCD XML against the complete rule set
- Combined transform-and-validate in single API call
- Swagger documentation with code examples (cURL, JavaScript, Python)
- API keys for secure access
Resources & State Tracker
- Direct links to official MISMO® specifications
Built on Industry Standards
Who We Are
OpenMCD is a community-driven, open initiative created by a MISMO® member organization to accelerate adoption of the Mortgage Compliance Dataset standard. Our goal is to provide free, accessible tools that help mortgage lenders of all sizes implement MCD reporting without expensive vendor dependencies. We believe standardization benefits the entire industry and ultimately reduces costs for consumers.