Agent Plugins Browser

Browse one or more AI agent plugin marketplaces (each URL points to marketplace.json), select plugins, and install/update them directly.

preview

Features

Tree View Explorer

A dedicated Agent Plugins activity bar view displays your configured marketplaces in a hierarchical tree:

Marketplaces — Top-level nodes showing each configured marketplace with plugin count
Plugins — Expandable nodes showing version, description, and total item count
Groups — Categorized items (skills, agents, commands, tools, prompts, workflows) with distinct icons
Items — Individual skills or agents with click-to-preview functionality

Webview Browser

Alternative full-screen marketplace browser built with standard VS Code UI elements for multi-select plugin installation.

Marketplace URL Resolution

Supports both:

Repository URLs (e.g., https://github.com/anthropics/skills) resolved to .claude-plugin/marketplace.json
Direct marketplace JSON URLs

GitHub Authentication

Access private marketplace repositories
Authenticate through SAML/SSO-protected organizations
Automatically refresh tokens

Item Preview

Click any skill or agent item to open a detailed preview panel with:

Metadata tab — Description, frontmatter properties, and key-value metadata
Content tab — Rendered markdown body with code highlighting
License tab — License information when available

Install Targets

Workspace scope:

Skills: <workspace>/.agents/skills/<skill-name>/...
Agents: <workspace>/.github/agents/<agent-name>.agent.md

User scope:

Root: ~/.copilot/installed-plugins/<marketplace-name>/<plugin-name>/
Skills: .../skills/<skill-name>/...
Agents: .../agents/<agent-name>.agent.md
Automatically updates chat.agentSkillsLocations and chat.agentFilesLocations workspace settings

Output Logging

Detailed logging with configurable log levels.

Commands

Command	Description
`Agent Plugins: Browse Marketplace`	Open the webview marketplace browser
`Agent Plugins: Add Marketplace URL`	Add a new marketplace URL to settings
`Agent Plugins: Remove Marketplace URL`	Remove a marketplace URL from settings
`Agent Plugins: Refresh`	Refresh the tree view data
`Agent Plugins: Settings`	Open extension settings
`Agent Plugins: Sign In to GitHub`	Authenticate with GitHub for private repo access
`Agent Plugins: GitHub Auth Status`	Check current GitHub authentication status

Install Plugin — Install a plugin from the tree view (available on plugin nodes)
Open Repository — Open the GitHub repository for a marketplace (available on GitHub-hosted marketplaces)
Collapse — Collapse expanded marketplace, plugin, or group nodes

Extension Settings

Setting	Type	Default	Description
`agentPlugins.marketplaces`	`string[]`	`[]`	List of marketplace.json URLs to browse
`agentPlugins.logLevel`	`string`	`info`	Log level (`off`, `error`, `warn`, `info`, `debug`, `trace`)

Requirements

VS Code 1.109.0 or newer
GitHub Authentication extension (bundled with VS Code) for private repo access

Development

npm run compile    # Build the extension
npm run watch      # Watch mode for development
npm run test       # Run tests
npm run lint       # Run ESLint
npm run package    # Package for production

Agent Plugins Browser

Tim Heuer

Agent Plugins Browser

Features

Tree View Explorer

Webview Browser

Marketplace URL Resolution

GitHub Authentication

Item Preview

Install Targets

Output Logging

Commands

Context Menu Actions

Extension Settings

Requirements

Development