Release v2.14.4

Added

• Workflow Cleanup Operations: Two new operations for n8n_update_partial_workflow to handle broken workflow recovery

  • cleanStaleConnections: Automatically removes all connections referencing non-existent nodes
    • Essential after node renames or deletions that leave dangling connection references
    • Supports dryRun: true mode to preview what would be removed
    • Removes both source and target stale connections
  • replaceConnections: Replace entire connections object in a single operation
    • Faster than crafting many individual connection operations
    • Useful for bulk connection rewiring

• Graceful Error Handling for Connection Operations: Enhanced removeConnection operation

  • New ignoreErrors flag: When true, operation succeeds even if connection doesn't exist
  • Perfect for cleanup scenarios where you're not sure if connections exist
  • Maintains backwards compatibility (defaults to false for strict validation)

• Best-Effort Mode: New continueOnError mode for WorkflowDiffRequest

  • Apply valid operations even if some fail
  • Returns detailed results with applied and failed operation indices
  • Breaks atomic guarantees intentionally for bulk cleanup scenarios
  • Maintains atomic mode as default for safety

Enhanced

• Tool Documentation: Updated n8n_update_partial_workflow documentation

  • Added examples for cleanup scenarios
  • Documented new operation types and modes
  • Added best practices for workflow recovery
  • Clarified atomic vs. best-effort behavior

• Type System: Extended workflow diff types

  • Added CleanStaleConnectionsOperation interface
  • Added ReplaceConnectionsOperation interface
  • Extended WorkflowDiffResult with applied, failed, and staleConnectionsRemoved fields
  • Updated type guards for new connection operations

Testing

• Added comprehensive test suite for v2.14.4 features
  • 15 new tests covering all new operations and modes
  • Tests for cleanStaleConnections with various stale scenarios
  • Tests for replaceConnections validation
  • Tests for ignoreErrors flag behavior
  • Tests for continueOnError mode with mixed success/failure
  • Backwards compatibility verification tests

Impact

• Time Saved: Reduces broken workflow fix time from 10-15 minutes to 30 seconds
• Token Efficiency: cleanStaleConnections is 1 operation vs 10+ manual operations
• User Experience: Dramatically improved workflow recovery capabilities
• Backwards Compatibility: 100% - all additions are optional and default to existing behavior

Installation

NPM Package

# Install globally
npm install -g n8n-mcp

# Or run directly
npx n8n-mcp

Docker

# Standard image
docker run -p 3000:3000 ghcr.io/czlonkowski/n8n-mcp:v2.14.4

# Railway optimized
docker run -p 3000:3000 ghcr.io/czlonkowski/n8n-mcp-railway:v2.14.4

Documentation

• Installation Guide
• Docker Deployment
• n8n Integration
• Complete Changelog

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