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Arka uses a curated catalog, checks required credentials, skips existing entries, and previews all changes. Arka writes the configuration to the existing Agent Hub MCP file so Cursor, Codex, Claude, and other adapters can reuse it. The catalog also includes SQLite, time, Puppeteer, Docker, Git, memory, sequential thinking, and the reference everything server. Brave Search, Slack, Notion, GitHub, and PostgreSQL remain credential-gated and are listed as unavailable until their environment variable is configured. For a fast local developer setup: