aaronsb_obsidian-mcp-plugin/PROJECT-PLAN.md

Project Implementation Plan

Overview

This document outlines the phased approach to building the Obsidian MCP Plugin, combining REST API functionality with semantic MCP operations in a single, high-performance plugin.

Phase 1: Foundation Setup (Week 1)

Goal: Basic plugin structure with core abstraction layer

1.1 Repository and Build Setup

• Initialize TypeScript plugin structure
• Set up build pipeline (tsc + bundling)
• Create proper manifest.json for Obsidian plugin
• Configure development workflow with hot reloading
• Set up testing framework (Jest)

1.2 Core ObsidianAPI Implementation

• Create new ObsidianAPI class with direct Obsidian App integration
• Implement core vault operations (getFile, listFiles, createFile, updateFile, deleteFile)
• Implement active file operations (getActiveFile, updateActiveFile)
• Add image file handling with binary data support
• Implement basic error handling and type conversion

1.3 Plugin Lifecycle Integration

• Create main plugin class extending Obsidian Plugin
• Implement onload/onunload lifecycle
• Add basic settings management
• Create settings UI tab

Deliverable: Installable plugin that provides direct API access to vault operations

Testing: Manual testing of core file operations via plugin console

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Phase 2: HTTP Server Integration (Week 2)

Goal: Embedded HTTP server with REST API compatibility

2.1 HTTP Server Setup

• Integrate Express/Fastify server within plugin
• Configure HTTP and HTTPS ports (27123, 27124)
• Implement SSL certificate handling
• Add CORS support for web clients
• Create server start/stop lifecycle management

2.2 REST API Endpoints

• Implement all vault endpoints (/vault/*)
• Implement active file endpoints (/active)
• Implement search endpoint (/search/simple)
• Implement utility endpoints (/open/*, /commands/*)
• Add authentication middleware

2.3 Compatibility Testing

• Test against existing REST API client code
• Verify response format compatibility
• Benchmark performance vs HTTP-based approach
• Test error handling and edge cases

Deliverable: Plugin provides full REST API compatibility with performance improvements

Testing: Automated tests against all REST endpoints

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Phase 3: MCP Server Integration (Week 3)

Goal: Embedded MCP server with existing semantic operations

3.1 MCP Protocol Implementation

• Integrate MCP server framework within plugin
• Add HTTP transport for MCP protocol
• Copy semantic router from obsidian-semantic-mcp
• Integrate fragment retrieval system
• Add workflow hint generation

3.2 Semantic Operations Migration

• Port all vault operations (list, read, create, update, delete, search)
• Port all edit operations (window, append, patch, from_buffer)
• Port all view operations (file, window, active, open_in_obsidian)
• Port workflow and system operations
• Implement enhanced search with snippets and media file discovery

3.3 Performance Optimization

• Replace all HTTP calls in semantic operations with direct API calls
• Optimize fragment retrieval for direct vault access
• Implement caching layer for frequently accessed files
• Add performance monitoring and metrics

Deliverable: Plugin provides both REST and MCP protocols with enhanced search capabilities

Testing: Full MCP protocol testing with existing client tools

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Phase 4: Enhancement and Polish (Week 4)

Goal: Advanced features and production readiness

4.1 Advanced Obsidian Integration

• Add real-time file change notifications
• Integrate with Obsidian's internal search (if available)
• Add plugin ecosystem integration hooks (Dataview, etc.)
• Implement workspace manipulation capabilities
• Add tag and metadata extraction

4.2 User Experience Improvements

• Create comprehensive settings UI
• Add status indicators and health monitoring
• Implement troubleshooting diagnostics
• Add performance metrics dashboard
• Create user-friendly error messages

4.3 Documentation and Examples

• Write complete user documentation
• Create migration guide from existing setups
• Document API compatibility
• Provide configuration examples
• Create troubleshooting guide

Deliverable: Production-ready plugin with advanced features and documentation

Testing: Comprehensive integration testing and user acceptance testing

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Phase 5: Community Testing (Week 5-6)

Goal: BRAT testing and community feedback

5.1 BRAT Preparation

• Prepare GitHub repository for BRAT
• Create release with proper plugin assets
• Write installation instructions for BRAT users
• Set up issue tracking and feedback collection
• Create beta testing guidelines

5.2 Community Engagement

• Announce beta testing in Obsidian community
• Collect and prioritize feedback
• Fix critical issues discovered during testing
• Iterate on user experience improvements
• Performance optimization based on real usage

5.3 Stability and Performance

• Stress testing with large vaults
• Memory leak testing during extended operation
• Cross-platform compatibility testing
• Mobile Obsidian compatibility assessment
• Plugin conflict testing

Deliverable: Stable, community-tested plugin ready for official release

Testing: Real-world usage by beta testers with feedback integration

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Phase 6: Official Release (Week 7)

Goal: Submit to Obsidian plugin directory

6.1 Final Polish

• Address all critical feedback from BRAT testing
• Finalize documentation and user guides
• Complete performance optimization
• Implement any remaining compatibility requirements
• Create release notes and changelog

6.2 Official Submission

• Prepare submission to Obsidian plugin directory
• Create final GitHub release with proper assets
• Submit community-plugins.json pull request
• Respond to review feedback
• Coordinate release announcement

6.3 Community Launch

• Announce in Obsidian forums and Discord
• Create showcase content and demos
• Provide migration assistance for existing users
• Set up ongoing support and maintenance plan

Deliverable: Official Obsidian plugin available in directory

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Success Criteria by Phase

Phase 1 Success

• Plugin installs and loads without errors
• Basic file operations work via direct API
• Performance improvements measurable

Phase 2 Success

• Full REST API compatibility achieved
• Performance benchmarks show 5-10x improvement
• Existing client code works without changes

Phase 3 Success

• All MCP operations functional
• Enhanced search with snippets working
• Semantic operations performance optimized

Phase 4 Success

• Advanced Obsidian features integrated
• User experience polished and intuitive
• Documentation complete and helpful

Phase 5 Success

• 50+ active BRAT testers
• Critical issues identified and resolved
• Positive community feedback

Phase 6 Success

• Plugin approved for official directory
• Smooth migration path for existing users
• Active community adoption

Risk Mitigation

Technical Risks

• Obsidian API Changes: Pin to specific API version, test compatibility
• Performance Issues: Continuous benchmarking and optimization
• Plugin Conflicts: Test with common plugin combinations

Community Risks

• Adoption Challenges: Clear migration documentation and support
• Feedback Overload: Prioritize critical issues and core functionality
• Competition: Focus on unique value proposition (performance + features)

Release Risks

• Review Delays: Submit early, respond quickly to feedback
• Breaking Changes: Maintain backward compatibility throughout
• Support Burden: Create comprehensive documentation and FAQ

Resource Requirements

Development Time

• Estimated Total: 6-7 weeks full-time development
• Critical Path: ObsidianAPI abstraction layer implementation
• Buffer Time: 1 week for unexpected issues and feedback integration

Testing Resources

• Unit Testing: Automated via CI/CD pipeline
• Integration Testing: Manual testing with real Obsidian vaults
• Community Testing: BRAT beta testing program
• Performance Testing: Benchmarking suite with various vault sizes

Documentation Requirements

• User Documentation: Installation, configuration, migration guides
• Developer Documentation: API reference, architecture overview
• Community Resources: Examples, tutorials, troubleshooting

This phased approach ensures steady progress while maintaining quality and community engagement throughout the development process.