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Delegates large-context code analysis to Gemini CLI. Use when analyzing codebases, tracing bugs across files, reviewing architecture, or performing security audits. Gemini reads, Claude implements.

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SKILL.md

name Gemini Research Subagent
description Delegates large-context code analysis to Gemini CLI. Use when analyzing codebases, tracing bugs across files, reviewing architecture, or performing security audits. Gemini reads, Claude implements.
dependencies gemini-cli

Gemini Research Subagent

You have access to Gemini CLI as a large-context research assistant. Use Gemini for reading large codebases, use yourself for implementation.

When to Invoke Gemini

ALWAYS use Gemini BEFORE:

  • Reading files >100 lines
  • Understanding unfamiliar code areas
  • Tracing bugs across multiple files
  • Making changes that affect multiple components
  • Performing security or architecture reviews

DO NOT use Gemini for:

  • Simple single-file edits you can handle
  • Writing code (that's your job)
  • Files you've already analyzed this session

How to Invoke

./skills/gemini.agent.wrapper.sh -d "@src/" "Your research question"

Available Roles (loaded from .gemini/roles/)

Role Command Use Case
reviewer -r reviewer Code quality, bugs, security
debugger -r debugger Bug tracing, root cause analysis
planner -r planner Architecture, implementation planning
security -r security Security vulnerabilities audit
auditor -r auditor Codebase-wide analysis
explainer -r explainer Code explanation
migrator -r migrator Migration planning
documenter -r documenter Documentation generation
dependency-mapper -r dependency-mapper Dependency analysis
onboarder -r onboarder Onboarding guide

Custom Roles

Add custom roles in .gemini/roles/<name>.md. Examples:

Role Focus
kotlin-expert Kotlin/Android, coroutines
typescript-expert TypeScript type safety
python-expert Python async, type hints
api-designer REST API design
database-expert Query optimization

Templates

# Implementation-ready output
./skills/gemini.agent.wrapper.sh -t implement-ready -d "@src/" "Add user profiles"

# Fix-ready output for bugs
./skills/gemini.agent.wrapper.sh -t fix-ready "Login fails with 401"

# Post-implementation verification
./skills/gemini.agent.wrapper.sh -t verify --diff "Added password reset"

Response Format

Gemini returns structured output you can parse:

## SUMMARY
[1-2 sentence overview]

## FILES
[file:line references]

## ANALYSIS
[detailed findings]

## RECOMMENDATIONS
[actionable items]

Workflow Pattern

  1. Research: Invoke Gemini to understand context
  2. Implement: You write code based on Gemini's analysis
  3. Verify: Invoke Gemini to verify your changes

Example Usage

# Pre-implementation research
./skills/gemini.agent.wrapper.sh -r planner -d "@src/" "How should I add caching?"

# Post-implementation verification
./skills/gemini.agent.wrapper.sh -t verify --diff "Added caching layer"