What is the key difference between Proton Workflow Connector and Proton Bridge MCP?

Proton Workflow Connector belongs to the Developer Tools category with local stdio execution, while Proton Bridge MCP belongs to the Developer Tools category with local stdio execution.

How do I install Proton Workflow Connector or Proton Bridge MCP in Claude Desktop or Cursor?

Copy the mcpServers JSON configuration snippet provided on this page into your claude_desktop_config.json or ~/.cursor/mcp.json file and restart your AI client.

Are Proton Workflow Connector and Proton Bridge MCP free or paid?

Proton Workflow Connector operates under a Free / Open Source model (No auth required). Proton Bridge MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Proton Workflow Connector lists 0 tools with 0 views and 0 GitHub stars. Proton Bridge MCP lists 0 tools with 0 views and 0 GitHub stars.

Can I use both Proton Workflow Connector and Proton Bridge MCP together in the same MCP host?

Yes! MCP hosts like Claude Desktop, Cursor, Windsurf, Cline, and VS Code support configuring multiple servers under the mcpServers object simultaneously.

How do I install Proton Workflow Connector or Proton Bridge MCP in Claude Desktop, Cursor, or Windsurf?

Both servers follow the standard Model Context Protocol configuration format. Simply copy the JSON block from the configuration section above and paste it into your AI client's mcpServers configuration object (for instance in claude_desktop_config.json or ~/.cursor/mcp.json ), then completely restart or refresh the application.

Are Proton Workflow Connector and Proton Bridge MCP free to use, or do they require API keys?

Proton Workflow Connector is listed under a Free / Open Source model with No auth required . Proton Bridge MCP operates under a Free / Open Source model with No auth required . If environment variables are required (such as API keys), be sure to define them under the env key in your MCP client's configuration file.

Can I run both Proton Workflow Connector and Proton Bridge MCP at the same time in my AI client?

Yes! MCP clients support multi-server orchestration. You can include both proton-workflow-connector and proton-bridge-mcp as distinct keys inside the single mcpServers object in your configuration file. Your AI assistant will automatically select and call the appropriate tool from either server during chat sessions.

Which MCP server has higher directory engagement and quality ratings?

On AllMCPs, Proton Workflow Connector has a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars. Proton Bridge MCP holds a Quality Score of 27 /100 ( Emerging ) with 0 views, 0 installs, and 0 GitHub stars.

Side-by-Side Model Context Protocol Comparison

Proton Workflow Connector vs Proton Bridge MCP

In-depth architectural comparison of the Proton Workflow Connector and Proton Bridge MCP MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.

At a Glance & Executive Verdict

Proton Workflow Connector

Developer Tools · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Proton Bridge MCP

Developer Tools · Local stdio

Quality: 27/100 (Emerging) | Auth: No auth required

Verdict Summary: Choose Proton Workflow Connector if you need specialized Developer Tools tools running via a local process. Choose Proton Bridge MCP if your workspace requires Developer Tools integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Proton Workflow Connector when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Proton Workflow Connector Details

Choose Proton Bridge MCP when:

You need dedicated capabilities in the Developer Tools domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).

Explore Proton Bridge MCP Details

Feature & Specification Comparison

Specification	P Proton Workflow Connector Developer Tools	P Proton Bridge MCP Developer Tools
Summary	Unofficial self-hosted MCP connector for Proton Mail Bridge and SimpleLogin.	Read, organise and carefully-gated send for Proton Mail, without your mail leaving this machine.
Category & Scope	Developer Tools	Developer Tools
Quality signal

Tools & Capabilities Breakdown

Proton Workflow Connector Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Proton Bridge MCP Tools (0)

No explicit tool names declared in metadata yet. Check project README on main listing page.

Ready-to-Paste Client Configurations

Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).

Proton Workflow Connector Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "proton-workflow-connector": {
      "command": "npx",
      "args": [
        "-y",
        "proton-workflow-connector"
      ]
    }
  }
}

Proton Bridge MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "proton-bridge-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "proton-bridge-mcp"
      ]
    }
  }
}

Frequently Asked Questions

Proton Workflow Connector is categorized under Developer Tools and uses a local stdio subprocess. In contrast, Proton Bridge MCP belongs to Developer Tools using local stdio subprocess. Select Proton Workflow Connector when you need capabilities focused on developer tools and Proton Bridge MCP when you require tools for developer tools.

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