Cursor CLI Skill Guide
Common Mistakes
The CLI command is
agent, NOTcursor
| Wrong | Right |
|---|---|
cursor -p "..." |
agent -p "..." |
cursor resume |
agent resume |
cursor ls |
agent ls |
PATH Setup (CRITICAL)
Subagents run with a minimal PATH. Always prefix commands with PATH setup:
export PATH="$HOME/.local/bin:$PATH" && agent <args>
Or use the full path directly: ~/.local/bin/agent
Baseline Rules
Always apply these for programmatic (headless) execution:
-p "<prompt>"— required for headless mode--output-format text— recommended for clean output capture
Command Templates
New Task (auto model - RECOMMENDED)
# Uses --model auto for automatic model selection based on task complexity
export PATH="$HOME/.local/bin:$PATH" && agent -p "<prompt>" --model auto --output-format text
With explicit mode override (only when needed)
# Use --mode only when you need to override auto-selection
export PATH="$HOME/.local/bin:$PATH" && agent -p "<prompt>" --model auto --mode [ask|agent|plan] --output-format text
With explicit model selection
export PATH="$HOME/.local/bin:$PATH" && agent -p "<prompt>" --model gpt-5.2 --output-format text
Resume Session (latest)
export PATH="$HOME/.local/bin:$PATH" && agent resume -p "<prompt>" --output-format text
Resume Session (specific)
export PATH="$HOME/.local/bin:$PATH" && agent --resume="<chat-id>" -p "<prompt>" --output-format text
List Previous Sessions
export PATH="$HOME/.local/bin:$PATH" && agent ls
Execution Modes
Default Behavior: Mode is auto-selected based on task type. Override only when necessary.
| Task Type | Auto-Selected | Override Flag | Notes |
|---|---|---|---|
| Analysis, review, Q&A | ask |
--mode ask |
Read-only, no file changes |
| Create or edit files | agent |
--mode agent |
Full agent capabilities |
| Planning, architecture | plan |
--mode plan |
Generates plan without execution |
Recommendation: Let Cursor auto-select the mode. Only use --mode flag when:
- You need to force read-only behavior for a task that might trigger edits
- You want planning output without execution
- Auto-selection chooses incorrectly for your specific use case
Model Selection
Default (RECOMMENDED): Always use --model auto to let Cursor automatically select the best model based on task complexity.
# Recommended: Let Cursor choose the optimal model
export PATH="$HOME/.local/bin:$PATH" && agent -p "<prompt>" --model auto
Explicit model selection is available when you need a specific model, but is optional:
| Requirement | Flag | Notes |
|---|---|---|
| Auto (RECOMMENDED) | --model auto |
Cursor selects best model for task |
| High-quality reasoning | --model gpt-5.2 |
Complex reasoning tasks |
| Fast / cheap | --model gemini-3-flash |
Quick, straightforward tasks |
| Claude thinking | --model opus-4.6-thinking |
Deep reasoning with Claude |
| Claude fast | --model sonnet-4.6 |
Fast Claude option |
If not specified, always default to --model auto.
Output Formats
| Format | Flag | Use Case |
|---|---|---|
| Text | --output-format text |
Programmatic processing, CI/automation |
| Default | (none) | Interactive/human-readable output |
Cloud Agent Handoff
For complex tasks requiring cloud processing, prefix the prompt with &:
agent "& refactor the auth module and add comprehensive tests"
Interpreting Results
Success indicators
- Clean text output with expected content
- Exit code 0
- Response addresses the original request
Failure indicators
- Non-zero exit code
- Error messages in output
- Missing expected deliverables
Scope creep indicators
- Mentions of "I also..." or "While I was at it..."
- Changes to files not mentioned in the original request
- Response describes work beyond the original request
Redirection indicators
- Output describes different work than requested
- "Instead of X, I did Y..."
- Solving a different problem than specified
After Completion
Report to user: "You can resume this Cursor session by saying 'cursor resume'."
Session Management
agent ls— List all previous conversationsagent resume— Resume most recent sessionagent --resume="<id>"— Resume specific session by ID
Error Handling
- If command exits non-zero: stop and report the error
- If output contains error messages: summarize and report
- If output contains warnings: summarize and ask how to proceed
Reference
Useful Patterns
# Code review (read-only)
export PATH="$HOME/.local/bin:$PATH" && agent -p "Review src/auth.py for security issues" --model auto --mode ask --output-format text
# Implement feature
export PATH="$HOME/.local/bin:$PATH" && agent -p "Add input validation to the login form" --model auto --output-format text
# Generate plan
export PATH="$HOME/.local/bin:$PATH" && agent -p "Plan the migration from REST to GraphQL" --model auto --mode plan --output-format text
# Continue previous work
export PATH="$HOME/.local/bin:$PATH" && agent resume -p "Now add unit tests for the changes"
# Cloud-powered complex task
export PATH="$HOME/.local/bin:$PATH" && agent "& analyze codebase architecture and suggest improvements"
Interactive Mode
For complex multi-step tasks, you may run agent without -p to enter interactive mode:
agent
Then provide prompts conversationally. Use this when:
- The task requires back-and-forth dialogue
- You need to inspect intermediate results before continuing
- The task scope may evolve based on findings