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Bastion

run each MCP server once, for every client on your Mac

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A macOS menu-bar app that supervises your MCP servers instead of letting each editor spawn its own. One process per profile, credentials in the Keychain.

Bastion — one MCP server, running once, for every client Skip to content Bastion 1.18.0 How it works Security Servers The app Price GitHub ↗ Download Buy · $14.99 Opens the GitHub repository in a new tab. The signed build is a separate download ; see the README for what is in each. 1.18.0 · signed, notarized, and sold direct One MCP server, running once, for every client. Bastion is a menu-bar app that supervises your MCP servers instead of letting each editor spawn its own. One process per profile, credentials in the Keychain, and every tool call recorded. Download for macOS How it works → ma

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