feat: add MCP marketplace with free search engine servers#12363
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…, SearXNG) Adds a "Quick Add Servers" section to the MCP settings view that lets users install pre-configured free search engine MCP servers with one click: - DuckDuckGo Search (via uvx duckduckgo-mcp-server) - no API key needed - SearXNG (via npx mcp-searxng) - requires self-hosted instance URL - Web Search (via npx web-search-mcp) - no API key needed Implementation: - New mcpMarketplaceCatalog with extensible server templates - McpHub.addServer() method for programmatic server installation - installMcpServer webview message type and handler - McpMarketplace UI component with install buttons and env config - i18n translations for marketplace strings - Tests for catalog validation and UI component Closes #12361
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This PR attempts to address Issue #12361 by adding a "Quick Add Servers" section to the MCP settings view. Users can install pre-configured free search MCP servers with one click.
What this adds
uvx duckduckgo-mcp-server) - completely free, no API keynpx mcp-searxng) - self-hosted metasearch, requires instance URLnpx web-search-mcp) - lightweight DuckDuckGo wrapper, no API keyImplementation
src/shared/mcpMarketplaceCatalog.ts- Extensible catalog of pre-configured MCP server templatesMcpHub.addServer()- New method to programmatically add servers to the settings fileinstallMcpServermessage type - New webview message for server installationMcpMarketplacecomponent - UI with install buttons and env variable configuration for servers that need setup (e.g. SearXNG instance URL)How it works
The marketplace section appears in the MCP settings view when MCP is enabled. Each server has an "Add" button that writes the configuration to the global MCP settings JSON file. Servers requiring custom configuration (like SearXNG) show inline input fields before installation.
Feedback and guidance are welcome.
Interactively review PR in Roo Code Cloud