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AI Developer Toolkit

Tool Migration Checklist

Migrating to or between Cursor, Claude Code, and Codex follows four stages: assess, pilot, migrate, optimize. A team rollout runs a pilot in weeks 1-2, early adopters in weeks 3-4, full rollout in weeks 5-8, and optimization from month 3, carrying configuration files, success metrics, and a rollback plan through each stage.

You have decided to adopt a new AI coding tool — or switch from one to another. This checklist walks you through every step so nothing falls through the cracks. Whether you are moving a single developer or an entire team, the process is the same: assess, pilot, migrate, optimize.

What this migration checklist covers

Section titled “What this migration checklist covers”
  • A step-by-step migration plan with checkboxes you can track
  • Feature mapping tables between tools
  • Team rollout timelines with realistic milestones
  • Common pitfalls and how to avoid them

Pre-Migration Assessment

Section titled “Pre-Migration Assessment”

Before touching any tool, answer these questions:

  • ☐ What tools are you migrating FROM? (VS Code, Copilot, ChatGPT, another AI tool)
  • ☐ What tools are you migrating TO? (Cursor, Claude Code, Codex, or a combination)
  • ☐ How many developers are affected?
  • ☐ What is your budget per developer per month?
  • ☐ Do you have compliance requirements? (SOC 2, GDPR, HIPAA)
  • ☐ What is your acceptable productivity dip during transition? (1 week? 2 weeks?)
  • ☐ Who are your pilot users? (2-3 early adopters)
  • ☐ What does success look like? (Define metrics upfront)

Migration Paths

Section titled “Migration Paths”

From VS Code

Section titled “From VS Code”

  1. One-click import: Open Cursor > Settings (Cmd/Ctrl+Shift+J) > General > Account > “Import” under VS Code Import. Transfers extensions, themes, settings, and keybindings.

  2. Verify extensions loaded: Some extensions may need manual reinstallation. Check View > Extensions.

  3. Cursor-specific setup:

    • Create .cursor/rules/ directory with project guidelines
    • Configure AI model preferences (Settings > Models)
    • Enable Privacy Mode if required (Settings > Privacy)
    • Install essential MCP servers (Settings > Features > MCP)

  4. Learn the new shortcuts: Cmd/Ctrl+I (Agent), Cmd/Ctrl+K (Inline Edit), Tab (autocomplete), @ (context references)

From JetBrains IDEs

Section titled “From JetBrains IDEs”

  1. Install keybinding extension: Search for “IntelliJ IDEA Keybindings” in Extensions

  2. Recreate core features: Install language-specific extensions, configure debuggers, set up database tools

  3. Key differences:

    • File navigation: Ctrl+P instead of double Shift
    • Refactoring: Different shortcuts, similar capabilities
    • Built-in tools: Some JetBrains features need extensions

From GitHub Copilot

Section titled “From GitHub Copilot”
Copilot FeatureCursor Equivalent
Ghost text suggestionsTab autocomplete (faster, multi-line)
Copilot ChatAgent mode (Cmd/Ctrl+I)
Comment-driven generationNatural language in chat
Explain codeAsk mode
Fix suggestionsInline edit (Cmd/Ctrl+K)
PR reviewsBugBot

Team Migration Strategy

Section titled “Team Migration Strategy”

Phase 1: Pilot (Week 1-2)

Section titled “Phase 1: Pilot (Week 1-2)”
  • ☐ Select 2-3 pilot users (different skill levels, different project types)
  • ☐ Document current workflows and pain points
  • ☐ Install and configure the new tool for pilot users
  • ☐ Provide daily check-ins and quick issue resolution
  • ☐ Collect feedback on usability, speed, and quality

Phase 2: Early Adopters (Week 3-4)

Section titled “Phase 2: Early Adopters (Week 3-4)”
  • ☐ Expand to 25% of the team
  • ☐ Create internal documentation (setup guide, FAQ, tips)
  • ☐ Host a lunch-and-learn session
  • ☐ Develop project-specific configuration (rules, CLAUDE.md, AGENTS.md)
  • ☐ Set up a Slack/Teams channel for questions

Phase 3: Full Rollout (Week 5-8)

Section titled “Phase 3: Full Rollout (Week 5-8)”
  • ☐ Migrate remaining team members
  • ☐ Provide formal training sessions
  • ☐ Create video walkthroughs for common workflows
  • ☐ Establish weekly office hours for the first month
  • ☐ Monitor adoption metrics (usage, satisfaction, productivity)

Phase 4: Optimization (Month 3+)

Section titled “Phase 4: Optimization (Month 3+)”
  • ☐ Review usage patterns and adjust subscription tiers
  • ☐ Share advanced techniques and best practices
  • ☐ Develop team-specific custom commands and automation
  • ☐ Measure ROI against pre-migration baseline
  • ☐ Phase out old tool licenses

Configuration Migration

Section titled “Configuration Migration”

Settings Transfer

Section titled “Settings Transfer”

Cursor’s one-click import handles most settings. For manual transfer:

VS Code: ~/.config/Code/User/settings.json
Cursor:  ~/.config/Cursor/User/settings.json

Copy editor, workbench, terminal, and git settings. Add Cursor-specific settings after import.

Common Challenges

Section titled “Common Challenges”

Challenge 1: Muscle Memory

Section titled “Challenge 1: Muscle Memory”

Problem: Reaching for old shortcuts and workflows out of habit.

Solution: Print the Keyboard Shortcuts reference. Keep it visible for 2 weeks. Use the command palette (Cmd/Ctrl+Shift+P) when you forget a shortcut.

Challenge 2: Trust Calibration

Section titled “Challenge 2: Trust Calibration”

Problem: Not trusting AI suggestions (under-trusting) or accepting everything blindly (over-trusting).

Solution: Start with low-stakes tasks. Always review diffs before accepting. Use version control liberally. Gradually increase trust as you learn the tool’s strengths and weaknesses.

Challenge 3: Context Overload

Section titled “Challenge 3: Context Overload”

Problem: Providing too much or too little context to the AI.

Solution: Start specific — include only the files directly relevant to the task. If the AI’s output is off, add more context incrementally. Use @ references and file scoping rather than “include everything.”

Challenge 4: Workflow Translation

Section titled “Challenge 4: Workflow Translation”

Problem: Trying to use the new tool exactly like the old one.

Solution: Each tool has its own strengths. Do not force Claude Code to work like an IDE. Do not treat Cursor like a CLI. Embrace the tool’s native workflow — you will be faster once you adapt.

Success Metrics

Section titled “Success Metrics”

Individual Metrics

Section titled “Individual Metrics”
MetricHow to MeasureTarget
Time to featureHours per story point-20% after 1 month
Bug rateBugs per release-30% after 2 months
Code review timeHours per PR-40% after 1 month
Days to proficiencySelf-assessment + output qualityUnder 14 days

Team Metrics

Section titled “Team Metrics”
MetricHow to MeasureTarget
Adoption rate% of team actively using daily>80% after 2 months
SatisfactionAnonymous survey (1-5 scale)>4.0
Velocity changeSprint velocity comparison+25% after 3 months
Cost per developerTool subscriptions / developer countTrack monthly

Rollback Plan

Section titled “Rollback Plan”

Always have an exit strategy:

  1. Keep old tool licenses for 3 months after migration
  2. Export all configurations before making changes
  3. Define rollback triggers — measurable criteria that would prompt reverting
  4. Set evaluation checkpoints at 30, 60, and 90 days
  5. Keep the rollback decision objective — use metrics, not feelings

Final Checklist

Section titled “Final Checklist”
  • ☐ Pre-migration assessment complete
  • ☐ Budget approved
  • ☐ Pilot users identified and trained
  • ☐ Internal documentation created
  • ☐ Configuration files migrated (rules, CLAUDE.md, AGENTS.md)
  • ☐ MCP servers installed and tested
  • ☐ Team training sessions scheduled
  • ☐ Success metrics defined and baseline measured
  • ☐ Rollback plan documented
  • ☐ Go-live date communicated
  • ☐ Support channel established (Slack/Teams)
  • ☐ Old tool licenses scheduled for cancellation (after 3-month overlap)

Frequently asked questions

How long does migrating to a new AI coding tool take?

Migration is a process that takes 2-3 months to complete fully, not a one-time event. The team plan runs a pilot in weeks 1-2, early adopters in weeks 3-4, full rollout in weeks 5-8, and optimization from month 3 onward.

What has to be decided before the migration starts?

The pre-migration assessment fixes which tools the team is moving from and to, how many developers are affected, the budget per developer per month, compliance requirements, the acceptable productivity dip, the pilot users, and what success looks like.

How do you move Cursor rules to Claude Code or Codex?

Translate .cursor/rules/ into CLAUDE.md, mapping the rules description to a project overview and the rules patterns to coding standards, then add common commands and architecture notes. The same content becomes AGENTS.md for Codex.

Which metrics show the migration worked?

Individual targets are -20% time to feature after 1 month, -30% bug rate after 2 months, -40% code review time after 1 month, and under 14 days to proficiency. Team targets are above 80% adoption after 2 months, satisfaction above 4.0, and +25% velocity after 3 months.

What belongs in the rollback plan?

Keep old tool licenses for 3 months after migration, export all configurations before making changes, define measurable rollback triggers, set evaluation checkpoints at 30, 60, and 90 days, and keep the decision objective by using metrics rather than feelings.

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