Using Plan Mode with Continue

Plan Mode gives you a safe, read-only environment to explore your codebase, map out solutions, and collaborate with AI before making any changes. Think of it as your sandbox for understanding and strategy.

Plan Mode prevents unintentional file modifications, letting you think through solutions and build confidence before committing to action. The core principle is understand before you change, giving you a research-first approach that prevents costly mistakes and creates better architectural decisions.

What Are the Use Cases for Plan Mode

Plan Mode excels in four key scenarios where understanding before acting prevents expensive mistakes:

Codebase Exploration

Navigate unfamiliar systems and trace data flows without modification risk.

Implementation Planning

Map dependencies and sequence complex changes before execution.

Issue Investigation

Debug systematically by tracing execution paths and analyzing root causes.

Architecture Analysis

Assess system health, identify bottlenecks, and plan improvements.

What Are the Best Practices for Plan Mode?

How to Plan Faster

  1. Scope your requests: Focus analysis on the user authentication module only, ignore the admin features
  2. Use targeted context: Analyze @Files and its direct imports for security issues

How to Create Higher Quality Plans

  1. Provide business context: This feature needs to handle Black Friday traffic (10x normal load). Plan accordingly.
  2. Share technical constraints: We're on AWS with strict security requirements. Plan a file upload system that meets SOC2 compliance.
  3. Ask for risk analysis: What could go wrong with this database migration? Plan rollback procedures.
  4. Request multiple perspectives: Show me 3 different approaches to implementing caching in this API, with pros and cons for each.

How to Enable Plan Mode

You can switch to Plan in the mode selector below the chat input box.
How to select plan mode

What Tools Are Available in Plan Mode?

ToolAvailableDescription
File/directory reading✅Browse and read any file or folder in your workspace
Grep/glob search✅Search for patterns across files and directories
Repository structure analysis✅Understand codebase organization and dependencies
Git history/diffs✅Review commits, branches, and changes
Web content fetching✅Access external documentation and resources
External API access✅Read-only calls to external services
MCP tools✅Model Context Protocol integrations
Database schema examination✅Analyze database structure (read-only)
File creation/editing❌Creating or modifying files
Terminal command execution❌Running shell commands
System modifications❌Changing system settings or configurations
Package installation❌Installing dependencies or packages
Git commits/pushes❌Making changes to version control
Database modifications❌Altering database data or structure

How Context Integration Works in Plan Mode

Context is the foundation of effective planning. Without proper context, AI models fall back on generic patterns, leading to plans that don't fit your specific system. Continue's context system transforms broad suggestions into actionable strategies:
Context TypeUsageBest For
Highlighted Codecmd/ctrl + L (VS Code) or cmd/ctrl + J (JetBrains)Component-specific analysis
Active Fileopt/alt + enter when sending requestCurrent file context
@Files@Files package.json tsconfig.jsonSpecific file analysis
@Terminal@TerminalDebugging with output
@Git Diff@Git DiffChange impact analysis

Prompt Library

Codebase Exploration

Implementation Planning

Issue Investigation

Architecture Analysis

How to Transition From Plan to Execution

When to Transition to Agent Mode

Move to Agent Mode when you have:
✅ Clear understanding of the current system
✅ Detailed implementation plan with specific steps
✅ Risk assessment and mitigation strategies
✅ Team approval (if required)
✅ Success criteria defined

Key Takeaways

The three-mode system—Chat mode for learning, Plan mode for strategy, and Agent mode for execution—provides a complete development workflow that scales from simple bug fixes to complex system architecture.
Remember:
  • Choose the right mode for each task
  • Start broad, then focus your planning sessions for better results
  • Transition to Agent mode with clear execution steps
The best code is planned code.