Baryon MCP Server: Install & Setup

Install Baryon in Claude Code

MCP Bundle (.mcpb)

Claude Code

curl -LO https://github.com/combor/baryon-mcp/releases/download/v0.7.0/baryon-mcp-darwin-amd64.mcpb

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

Download baryon-mcp-darwin-amd64.mcpb and double-click it to install in Claude Desktop.

MCP Bundles install in one click in Claude Desktop. Download the file, then open it.

MCP Bundle (.mcpb)

Claude Code

curl -LO https://github.com/combor/baryon-mcp/releases/download/v0.7.0/baryon-mcp-darwin-arm64.mcpb

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

Download baryon-mcp-darwin-arm64.mcpb and double-click it to install in Claude Desktop.

MCP Bundles install in one click in Claude Desktop. Download the file, then open it.

MCP Bundle (.mcpb)

Claude Code

curl -LO https://github.com/combor/baryon-mcp/releases/download/v0.7.0/baryon-mcp-linux-amd64.mcpb

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

Download baryon-mcp-linux-amd64.mcpb and double-click it to install in Claude Desktop.

MCP Bundles install in one click in Claude Desktop. Download the file, then open it.

MCP Bundle (.mcpb)

Claude Code

curl -LO https://github.com/combor/baryon-mcp/releases/download/v0.7.0/baryon-mcp-linux-arm64.mcpb

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

Download baryon-mcp-linux-arm64.mcpb and double-click it to install in Claude Desktop.

MCP Bundles install in one click in Claude Desktop. Download the file, then open it.

Frequently asked questions

What does the Baryon MCP server do?

Read Proton Mail and save drafts through your local Proton Mail Bridge.

Is the Baryon MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Baryon run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Baryon to Claude Code?

Run: curl -LO https://github.com/combor/baryon-mcp/releases/download/v0.7.0/baryon-mcp-darwin-amd64.mcpb

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