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knowledge catalog — Agent Skill

by gemini-cli-extensions · Updated

Connect to Knowledge Catalog to discover, manage, monitor, and govern data and AI artifacts across your data platform

At a glance

knowledge-catalog is an Agent Skill by gemini-cli-extensions in the Design & Creative category. In Claude Code it installs with `/plugin install knowledge-catalog@claude-plugins-official` after adding the anthropics/claude-plugins-official marketplace; other assistants use its SKILL.md instructions as rules. Its source repository has 34 GitHub stars (as of Oct 28, 2026).

Source 34GitHub stars

How to install knowledge catalog in your AI client

Setup for Claude Code, Claude Desktop, Cursor, Codex, Windsurf, Cline and VS Code — copy-paste ready.

How to install knowledge catalog in Claude CodeAnthropic's agentic CLI

  1. Add the marketplace

    claude
    /plugin marketplace add anthropics/claude-plugins-official

  2. Install the skill

    claude
    /plugin install knowledge-catalog@claude-plugins-official

  3. Use it

    These are slash commands for a Claude Code session, not your shell. Claude auto-invokes the skill when your request matches its description — or type its slash command if it exposes one.

Documentation

Full README

Agent Skills: Knowledge Catalog (formerly known as Dataplex)

[!NOTE] Currently in beta (pre-v1.0), and may see breaking changes until the first stable release (v1.0).

This repository packages MCP Toolbox's prebuilt dataplex server as a plugin/extension to interact with Knowledge Catalog (formerly known as Dataplex) instances. It can be used with various AI agents, including Antigravity, Claude Code and Codex, to discover, manage, monitor, and govern data and AI artifacts across your data platform using natural language prompts.

[!IMPORTANT] We Want Your Feedback! Please share your thoughts with us by filling out our feedback [form][form]. Your input is invaluable and helps us improve the project for everyone.

[form]: https://docs.google.com/forms/d/e/1FAIpQLSfEGmLR46iipyNTgwTmIDJqzkAwDPXxbocpXpUbHXydiN1RTw/viewform?usp=pp_url&entry.157487=dataplex

Table of Contents

  • Why Use Knowledge Catalog?
  • Prerequisites
  • Getting Started
  • Configuration
  • Installation & Usage
  • Antigravity
  • Claude Code
  • Codex
  • Installing via a compatible Agent Plugins client
  • Usage Examples
  • Available Tools
  • Generating Skills Instead
  • Additional Agent Skills
  • Troubleshooting

Why Use Knowledge Catalog?

  • Natural Language Management: Stop wrestling with complex commands. Explore schemas and query data by describing what you want in plain English.
  • Seamless Workflow: Integrates seamlessly into your AI agent's environment. No need to constantly switch contexts for common database tasks.
  • Code Generation: Accelerate development by asking your agent to generate data classes and other code snippets based on your table schemas.

Prerequisites

Before you begin, ensure you have the following:

  • One of these AI agents installed
  • Antigravity
  • Antigravity CLI version v1.6.0 or higher
  • Antigravity 2.0 version v2.0.0 or higher.
  • Claude Code version v2.1.94 or higher.
  • Codex v0.117.0 or higher.
  • Node.js — the MCP server runs via npx.
  • A Google Cloud project with the Dataplex API enabled.
  • Ensure Application Default Credentials are available in your environment.
  • IAM Permissions:
  • Dataplex Data Reader (roles/dataplex.dataReader): For reading data from the underlying assets (e.g., to run analytics queries).
  • Service Usage Consumer (roles/serviceusage.serviceUsageConsumer)

Getting Started

Configuration

Excerpt — the full document is on GitHub.

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