Claude-skill-registry call-gemini

Invoke the Gemini CLI for architecture and scalability review.

install
source · Clone the upstream repo
git clone https://github.com/majiayu000/claude-skill-registry
Claude Code · Install into ~/.claude/skills/
T=$(mktemp -d) && git clone --depth=1 https://github.com/majiayu000/claude-skill-registry "$T" && mkdir -p ~/.claude/skills && cp -r "$T/skills/data/call-gemini" ~/.claude/skills/majiayu000-claude-skill-registry-call-gemini && rm -rf "$T"
manifest: skills/data/call-gemini/SKILL.md
source content

Call Gemini Skill

Wrapper for invoking Gemini agent via CLI for architecture and scalability review.

Overview

Gemini is specialized for:

  • Architecture pattern analysis
  • Scalability assessment
  • Design principle compliance
  • Technical debt evaluation

Prerequisites

  • gemini
    CLI installed and accessible on PATH.

Usage

/call-gemini

Expertise Weights

AreaWeightDescription
Architecture0.7Design patterns, modularity
Scalability0.8Performance at scale, bottlenecks
Patterns0.6Design patterns, anti-patterns

CLI Invocation

gemini --yolo "<prompt>"

Flags

FlagPurpose
--yolo
Auto-approve tool calls (required for non-interactive)
--model
Select model (optional, default: gemini-2.0-flash)

IMPORTANT:

  • Gemini does NOT support
    --output-format
  • Output must be parsed from raw response
  • Prompt is a positional argument

Standard Prompts

Plan Validation (Phase 2)

gemini --yolo "
You are reviewing an implementation plan for architecture and scalability.

Read the plan JSON provided by the orchestrator (phase_outputs export).

Evaluate for:
1. Architecture patterns - Are they appropriate for the use case?
2. Modularity - Is the design properly decomposed?
3. Scalability - Will this scale with increased load?
4. Maintainability - Is the code easy to maintain and extend?
5. Technical debt - Does this introduce unnecessary complexity?
6. Design principles - SOLID, DRY, KISS compliance

Return your assessment as JSON (wrap in code block):
\`\`\`json
{
  \"agent\": \"gemini\",
  \"phase\": \"validation\",
  \"approved\": true|false,
  \"score\": 1-10,
  \"assessment\": \"Brief summary of your review\",
  \"architecture_review\": {
    \"patterns_identified\": [\"List of patterns found\"],
    \"patterns_recommended\": [\"Patterns that should be used\"],
    \"anti_patterns\": [\"Any anti-patterns detected\"]
  },
  \"concerns\": [
    {
      \"area\": \"architecture|scalability|maintainability\",
      \"severity\": \"high|medium|low\",
      \"description\": \"Specific concern\",
      \"recommendation\": \"How to address it\"
    }
  ],
  \"blocking_issues\": [\"Issues that MUST be fixed\"],
  \"strengths\": [\"Positive aspects of the design\"]
}
\`\`\`

Focus on design quality. Only block for fundamental architecture flaws.
"

Code Review (Phase 4)

gemini --yolo "
You are performing an architecture-focused code review of recently implemented changes.

Review the implementation for:
1. Architecture compliance - Does code match the plan?
2. Design pattern correctness - Are patterns implemented correctly?
3. Separation of concerns - Is responsibility properly divided?
4. Coupling and cohesion - Are modules appropriately connected?
5. Extensibility - Can this be easily extended?
6. Performance implications - Any obvious bottlenecks?

Also check:
- Code organization and structure
- Naming conventions and clarity
- Documentation adequacy
- Error handling patterns
- Resource management

Return your assessment as JSON (wrap in code block):
\`\`\`json
{
  \"agent\": \"gemini\",
  \"phase\": \"verification\",
  \"approved\": true|false,
  \"score\": 1-10,
  \"assessment\": \"Brief summary of code review\",
  \"architecture_compliance\": {
    \"matches_plan\": true|false,
    \"deviations\": [\"Any deviations from plan\"]
  },
  \"issues\": [
    {
      \"file\": \"path/to/file.py\",
      \"concern\": \"What's the issue\",
      \"severity\": \"high|medium|low\",
      \"category\": \"architecture|scalability|maintainability\",
      \"recommendation\": \"How to improve\"
    }
  ],
  \"blocking_issues\": [\"Critical architecture issues\"],
  \"quality_score\": {
    \"modularity\": 1-10,
    \"extensibility\": 1-10,
    \"maintainability\": 1-10
  }
}
\`\`\`

Be constructive. Focus on significant architecture concerns, not style nitpicks.
"

Output Parsing

Gemini returns markdown with embedded JSON. Parse with:

import re
import json

# Extract JSON from code block
match = re.search(r'```json\s*(.*?)\s*```', gemini_output, re.DOTALL)
if match:
    result = json.loads(match.group(1))
else:
    # Try to find raw JSON
    match = re.search(r'\{.*\}', gemini_output, re.DOTALL)
    if match:
        result = json.loads(match.group(0))

Error Handling

Timeout

  • Default timeout: 300 seconds
  • On timeout: Retry once with 600 seconds
  • If still fails: Log and continue with warning

Parse Error

  • If no JSON found: Extract key points manually
  • Create synthetic feedback from text analysis
  • Mark as "parse_warning" in state

Agent Unavailable

  • If gemini not installed: Skip with warning
  • Log to
    logs
    with type
    escalation
    or
    blocker
  • Cursor alone can proceed for security-critical reviews

Integration with Workflow

  1. Phase 2 (Validation):

    • Run in parallel with Cursor
    • Store output in
      phase_outputs
      as
      gemini_feedback
    • Weight: 0.7 for architecture concerns
  2. Phase 4 (Verification):

    • Run in parallel with Cursor
    • Store output in
      phase_outputs
      as
      gemini_review
    • Must approve for workflow to complete

Approval Thresholds

PhaseMin ScoreBlocking Issues
Validation6.0None allowed
Verification7.0None allowed

Outputs

  • JSON review payload for validation or verification phases.

Example Usage

# From project directory
cd projects/my-app

# Run validation
gemini --yolo "Review the plan JSON provided in this prompt for architecture..."

# Parse the output (may need to extract JSON from markdown)
cat gemini-output.txt

Conflict Resolution

When Gemini disagrees with Cursor:

Issue TypeResolution
Architecture concernGemini wins (weight 0.7)
Security concernCursor wins (weight 0.8)
Code qualityAverage scores
Both blockingHuman escalation

Model Selection

# Use specific model
gemini --model gemini-2.0-flash --yolo "prompt"

# Available models
# - gemini-2.0-flash (default, fastest)
# - gemini-2.0-pro (more thorough)

Related Skills

  • /validate
    - Plan validation workflow
  • /verify
    - Code review workflow
  • /resolve-conflict
    - Merge Cursor and Gemini feedback