Gemini Skill

Defaults

gemini-3.1-pro-preview

default

gemini-3.1-pro-preview

gemini-2.5-pro

gemini-2.5-flash

CRITICAL: Headless Mode

-p

--prompt

# Correct
gemini -m gemini-3.1-pro-preview -p "your prompt here"

# Wrong — opens interactive terminal
gemini -m gemini-3.1-pro-preview "your prompt here"

Running a Task

1. Select approval mode based on the task:

   • default

     (default): all tasks — prompts before edits

   • auto_edit

     : only when user explicitly requests file editing

   • plan

     : read-only, no file modifications

   • yolo

     : full auto-approval — ask user before using
2. Assemble and run the command:
   bash

   gemini -m gemini-3.1-pro-preview -p "your prompt here"

3. To resume a previous session:
   bash

   gemini -r latest -p "your follow-up prompt"
   gemini --list-sessions  # to see available sessions

4. After completion, use

   AskUserQuestion

   to confirm next steps or whether to resume.
5. When output includes warnings or partial results, summarize and ask how to adjust.

previewFeatures: true

~/.gemini/settings.json

"previewFeatures": false

gemini-2.5-flash

Critical Evaluation

• Trust your knowledge when confident. Push back on incorrect claims directly.
• Research disagreements using WebSearch or docs before accepting Gemini's claims.
• Remember knowledge cutoffs — Gemini may not know about recent releases or API changes.
• Let the user decide when there's genuine ambiguity.

Error Handling

• command not found: gemini

  : tell user to install Gemini CLI.
• Auth errors: run

  gemini login

  .
• 429 / rate limit: free tier is 60 req/min, 1000 req/day — wait or upgrade.
• 404 / model not found: retry with fallback model.
• 403 / access denied: disable

  previewFeatures

  or use

  gemini-2.5-pro

  .
• Session not found: run

  gemini --list-sessions

  .