External Application Button MCP Server
by andy-portmenCommunicate with external applications of your OS through a toolbar button or context menu item.
External Application Button is an open-source mcp server by andy-portmen, written mainly in JavaScript, with 256 GitHub stars and the MPL-2.0 license. Its code was last updated Oct 25, 2026.
External Application Launcher
Use external applications through a toolbar button or context menu item.
This extension lets you create a customizable toolbar button (action button) and context menu items to execute programs with your chosen command-line arguments. For example, you can:
- Send the current page to another browser
- Send selected text to a text editor
- Send image URLs to a photo editor
- Send download links to an external download manager!
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MCP Server
This extension can be used with coding agents such as OpenCode. Also it can help other extensions to introduce their tools to the agents. Read FAQs page for more info.
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External Application Button alternatives
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|---|---|---|---|---|
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