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Skill Vision Control (SVC)

npm version License: MIT

Safe MCP Skill Version Manager - Detect updates, parallel testing, smart merge, confirm before replace

Features

  • πŸ” Update Detection - Automatically detect new versions from GitHub/npm

  • πŸ“¦ Version Management - Keep multiple versions, switch anytime

  • πŸ”€ Smart Merge - Merge official updates with your custom changes

  • πŸ§ͺ A/B Testing - Test new versions before switching

  • ⏰ Scheduled Checks - Automatic weekly/monthly update checks

  • πŸ”” Notifications - Desktop notifications for updates

  • πŸ€– MCP Server - Let AI manage your skills

Installation

npm install -g skill-vision-control

Or with yarn:

yarn global add skill-vision-control

Quick Start

# Add a skill to manage svc add weather --source github:username/weather-mcp # Check for updates svc check # Download new version (keeps old version) svc download weather # Test and switch svc switch weather --version v1.1.0 # Or if you have custom changes, merge them svc merge weather

Commands

Skill Management

Command

Description

svc add <name> --source <url>

Register a skill (github:user/repo or npm:package)

svc list

List all managed skills

svc info <name>

Show detailed information

svc remove <name>

Remove a skill

Version Control

Command

Description

svc check [name]

Check for updates

svc download <name>

Download new version (keep old)

svc versions <name>

List all local versions

svc switch <name> -v <version>

Switch to specific version

svc rollback <name>

Rollback to previous version

svc confirm <name>

Confirm current version

svc cleanup <name> --keep <n>

Clean old versions

Custom Modifications

Command

Description

svc fork <name>

Create custom branch for modifications

svc save <name> -c "comment"

Save your modifications

svc diff <name>

View differences from official

svc merge <name>

Merge official update with your changes

svc conflicts <name>

View merge conflicts

svc resolve <name> -f <file> -u <choice>

Resolve conflicts

Schedule

Command

Description

svc schedule set -i <days>

Set check interval (1/7/14/30 days)

svc schedule show

Show current schedule

svc schedule enable

Enable scheduled checks

svc schedule disable

Disable scheduled checks

svc schedule run

Manually trigger check

Workflow Examples

Basic Update Flow

# 1. Check for updates svc check # Output: weather: v1.0.0 β†’ v1.1.0 available # 2. Download (old version preserved) svc download weather # 3. Test new version svc switch weather -v v1.1.0 -t official # 4. If good, confirm; if not, rollback svc confirm weather # or svc rollback weather

Custom Changes + Update

# 1. Create custom branch svc fork weather # 2. Make your modifications... # 3. Save changes svc save weather -c "Added Chinese language support" # 4. Later, when update available svc check # Output: ⚠️ You have custom changes. Use "svc merge" # 5. Download and merge svc download weather svc merge weather # 6. If conflicts exist svc conflicts weather svc resolve weather -f src/config.ts -u custom # 7. Test merged version svc switch weather -v v1.1.0-merged -t merged # 8. Confirm svc confirm weather

Using as MCP Server

Add to your MCP configuration:

{ "mcpServers": { "skill-vision-control": { "command": "svc", "args": ["serve"] } } }

Available MCP tools:

  • svc_list_skills - List all managed skills

  • svc_get_skill_info - Get skill details

  • svc_check_updates - Check for updates

  • svc_get_versions - Get local versions

  • svc_switch_version - Switch version

  • svc_rollback - Rollback to previous

  • svc_download_update - Download new version

  • svc_merge - Merge with custom changes

  • svc_get_conflicts - View merge conflicts

Data Storage

All data is stored in ~/.svc/:

~/.svc/ β”œβ”€β”€ skills.json # Skill registry β”œβ”€β”€ schedule.json # Schedule settings β”œβ”€β”€ config.json # Global config └── versions/ # Version storage └── <skill>/ β”œβ”€β”€ official/ β”œβ”€β”€ custom/ β”œβ”€β”€ merged/ └── active -> ...

Configuration

Supported Sources

  • GitHub: github:username/repo or username/repo

  • npm: npm:package-name

Schedule Options

  • 1d - Daily checks

  • 7d - Weekly checks (default)

  • 14d - Bi-weekly checks

  • 30d - Monthly checks

Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

License

MIT License - see LICENSE for details.

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security - not tested
A
license - permissive license
-
quality - not tested

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