Gemini Cli Extensions Catalog

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Gemini Cli Extensions Catalog

Source: gemini-cli-extensions-catalog.md (ingested 2026-03-28)

Gemini CLI Extensions Catalog

This document provides a comprehensive catalog of the Gemini CLI extensions installed in your environment. Each section details the extension's core purpose, features, and best use cases.

🛠️ Development & Engineering Tools

Clasp (v3.2.0)

  • Core Purpose: Develop Google Apps Script projects locally.
  • Detailed Features:
    • Full MCP server integration for clasp commands.
    • Support for creating, pulling, pushing, and deploying Apps Script projects.
    • Provides specialized context for Apps Script development patterns.
  • Best Use Cases: Developing complex Google Sheets/Docs automations, managing script deployments across multiple environments, and integrating Apps Script with local CI/CD pipelines.

GitHub MCP (v0.31.0)

  • Core Purpose: Deep integration with GitHub repositories and workflows.
  • Detailed Features:
    • Manage issues, pull requests, and repository metadata.
    • Native MCP server for high-performance GitHub API interactions.
  • Best Use Cases: Automating repository management, fetching issue context for coding tasks, and managing PR lifecycles from the CLI.

Metaswarm (v0.10.0)

  • Core Purpose: Autonomous multi-agent development orchestration.
  • Detailed Features:
    • Visual Review: Playwright-powered UI/UX testing.
    • Orchestrated Execution: 4-phase loop (Implement -> Validate -> Review -> Commit).
    • Adversarial Review Gates: Spawns parallel agents (Architect, Designer, Security, etc.) to vet plans.
    • PR Shepherd: Monitors and fixes PRs until all checks pass.
  • Best Use Cases: Managing complex, end-to-end development tasks autonomously, ensuring high-quality architectural standards, and automated PR management.

Pickle Rick (v0.1.0)

  • Core Purpose: Senior-level software engineering automation with a rigorous "God Mode" implementation loop.
  • Detailed Features:
    • Implementation Planner: Atomic, safe execution strategies.
    • Ruthless Refactorer: Eliminates "AI Slop" and technical debt.
    • Ticket Manager: Local Linear integration via Markdown.
    • Research Reviewer: Objectivity and completeness verification.
  • Best Use Cases: High-stakes refactoring, drafting technical PRDs, and conducting deep codebase research with rigorous validation.

Shopify Dev MCP

  • Core Purpose: Streamlined development for Shopify themes and apps.
  • Detailed Features:
    • Integrated MCP server for Shopify developer tools.
  • Best Use Cases: Building and testing Shopify integrations and themes within the Gemini CLI environment.

Symfony UX Skills

  • Core Purpose: Expert guidance for modern Symfony frontend development.
  • Detailed Features:
    • Twig Component: Guidance for reusable PHP-backed UI elements.
    • Live Component: Real-time, server-rendered reactive UI.
    • Turbo/Stimulus: Hotwire integration for SPA-like navigation.
  • Best Use Cases: Building complex interactive frontends in Symfony without heavy JS frameworks.

SwiftWasm Skills

  • Core Purpose: Porting and developing Swift applications for WebAssembly.
  • Detailed Features:
    • Porting Assistant: Identifies incompatible frameworks and suggests refactors.
    • JavaScriptKit/BridgeJS: Interoperability guidance between Swift and JS.
  • Best Use Cases: Compiling Swift to Wasm, building web-based Swift applications, and JS-Swift interop.

🌐 Data & Intelligence

Exa MCP (v3.1.8)

  • Core Purpose: Advanced, AI-native web search and research.
  • Detailed Features:
    • Advanced Research Search: Specialized filters for research papers and financial reports.
    • People/Company Research: LinkedIn profile and professional background discovery.
    • Code Context: Scrapes GitHub and StackOverflow for real implementation snippets.
  • Best Use Cases: Finding academic papers, performing deep market/competitor research, and sourcing high-quality code examples.

Hugging Face Skills (v0.1.0)

  • Core Purpose: End-to-end ML model management on Hugging Face.
  • Detailed Features:
    • Model Trainer: TRL-based fine-tuning (SFT, DPO, GRPO) on cloud GPUs.
    • Dataset Viewer/Manager: SQL-based querying and stream updates for datasets.
    • Paper Publisher: Professional markdown research article generation.
    • Trackio: Real-time ML experiment monitoring and alerts.
  • Best Use Cases: Fine-tuning LLMs, managing large-scale datasets, and publishing research to the HF Hub.

Pinecone MCP

  • Core Purpose: Vector database management.
  • Detailed Features:
    • Native MCP server for interacting with Pinecone indexes.
  • Best Use Cases: Building RAG (Retrieval-Augmented Generation) systems and managing semantic search embeddings.

Redis MCP (v0.1.0)

  • Core Purpose: Fast, in-memory data store management.
  • Detailed Features:
    • Integrated MCP server for Redis commands.
  • Best Use Cases: Caching, session management, and real-time data processing.

☁️ Infrastructure & Cloud

GKE MCP (v0.9.0)

  • Core Purpose: Expert management of Google Kubernetes Engine (GKE) clusters.
  • Detailed Features:
    • Workload Security/Scaling: Hardening and auto-scaling guidance.
    • Inference Quickstart: Deploying optimized AI/ML workloads on GKE.
    • ComputeClass Creator: Custom hardware/node configuration (GPUs, Spot VMs).
  • Best Use Cases: Deploying high-performance ML models on Kubernetes, auditing cluster security, and optimizing cloud costs.

Gemini Cloud Assist (v0.2.0)

  • Core Purpose: Native Google Cloud Platform (GCP) assistance.
  • Detailed Features:
    • Direct integration with GCP Cloud Assist MCP server.
  • Best Use Cases: Troubleshooting GCP infrastructure and optimizing cloud resource management.

Kubernetes MCP (v1.0.0)

  • Core Purpose: General-purpose Kubernetes cluster interaction.
  • Detailed Features:
    • Native MCP server for kubectl-like operations.
  • Best Use Cases: Managing pods, deployments, and services across any K8s cluster.

🛡️ Security & Observability

Snitch (v5.1.0)

  • Core Purpose: Comprehensive, evidence-based security auditing.
  • Detailed Features:
    • Security pattern matching combined with contextual reasoning to minimize false positives.
  • Best Use Cases: Automated security audits of codebases and identifying vulnerability patterns.

Gemini CLI Security (v0.4.0)

  • Core Purpose: Security scanning and OSV (Open Source Vulnerabilities) integration.
  • Detailed Features:
    • Integrated osvScanner for checking dependency vulnerabilities.
  • Best Use Cases: Pre-commit security checks and dependency auditing.

Snyk (v0.0.1)

  • Core Purpose: Developer-first security integration.
  • Detailed Features:
    • Integration wrappers for Snyk's security analysis tools.
  • Best Use Cases: Real-time security scanning during development.

Sonarqube MCP (v1.10.0)

  • Core Purpose: Code quality and security gating.
  • Detailed Features:
    • Native integration with SonarQube for static analysis.
  • Best Use Cases: Enforcing code quality standards and identifying technical debt in CI/CD pipelines.

🎨 Creative & Visual Tools

Nano Banana Skills (v1.0.0)

  • Core Purpose: Advanced image processing and AI generation workflows.
  • Detailed Features:
    • Anime-to-Life: Transforms art into photorealistic visualizations.
    • Photo Restoration: Identity-preserving 8k upscaling and restoration.
    • Character Reference Sheets: Generates consistent 3-view character designs.
  • Best Use Cases: Creating high-fidelity visual assets, restoring vintage media, and professional character design.

Miro MCP (v1.0.0)

  • Core Purpose: Visual collaboration and board management.
  • Detailed Features:
    • Miro MCP Tools: Extract data from or push content to Miro boards.
    • Visual Review: Review code or diagrams on visual canvases.
  • Best Use Cases: Whiteboarding, documenting architecture visually, and extracting context from Miro boards.

📊 Business & Communication

Google Workspace (v0.0.5)

  • Core Purpose: Direct integration with Google Docs, Sheets, and Drive.
  • Detailed Features:
    • High-level MCP interaction with Workspace apps.
  • Best Use Cases: Automating document creation, updating spreadsheets, and managing Drive files.

YouTube to Docs (v1.0.0)

  • Core Purpose: Processing YouTube video content into actionable documentation.
  • Detailed Features:
    • Transcript Extraction: Pulls text from videos.
    • Infographic Generation: Creates visual summaries.
    • Kitchen Sink Mode: Full processing (TTS, video, summaries).
  • Best Use Cases: Creating study guides from lectures, documenting tutorials, and summarizing video content.

Monday MCP (v0.0.41)

  • Core Purpose: Project management integration.
  • Detailed Features:
    • Interact with Monday.com boards and tasks.
  • Best Use Cases: Syncing development tasks with project management boards and updating task statuses.

🛠️ Specialized Utilities

Chrome DevTools MCP

  • Core Purpose: Browser automation and web performance debugging.
  • Detailed Features:
    • LCP Debugging: Optimizing Largest Contentful Paint.
    • A11y Debugging: Accessibility auditing based on web.dev guidelines.
  • Best Use Cases: Automated UI testing, performance tuning, and accessibility audits.

Globalping (v1.1.0)

  • Core Purpose: Network diagnostics from global locations.
  • Detailed Features:
    • Run pings, traceroutes, and DNS lookups from various geographic nodes.
  • Best Use Cases: Debugging latency issues, verifying CDN performance, and global network monitoring.

Postman API MCP (v1.0.0)

  • Core Purpose: API testing and documentation management.
  • Detailed Features:
    • Direct integration with Postman collections and environments.
  • Best Use Cases: Automated API testing and syncing local API work with Postman.