What is the key difference between Outlook Personal MCP and Zephyr Scale MCP?

Outlook Personal MCP belongs to the Workplace & Productivity category with local stdio execution, while Zephyr Scale MCP belongs to the Workplace & Productivity category with local stdio execution.

How do I install Outlook Personal MCP or Zephyr Scale 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 Outlook Personal MCP and Zephyr Scale MCP free or paid?

Outlook Personal MCP operates under a Free / Open Source model (No auth required). Zephyr Scale MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Outlook Personal MCP lists 32 tools with 1 views and 1 GitHub stars. Zephyr Scale MCP lists 54 tools with 0 views and 0 GitHub stars.

Can I use both Outlook Personal MCP and Zephyr Scale 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.

Side-by-Side Model Context Protocol Comparison

Outlook Personal MCP vs Zephyr Scale MCP

In-depth architectural comparison of the Outlook Personal MCP and Zephyr Scale 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

Outlook Personal MCP

Workplace & Productivity · Local stdio

Quality: 48/100 (Fair) | Auth: No auth required

Zephyr Scale MCP

Workplace & Productivity · Local stdio

Quality: 49/100 (Fair) | Auth: No auth required

Verdict Summary: Choose Outlook Personal MCP if you need specialized Workplace & Productivity tools running via a local process. Choose Zephyr Scale MCP if your workspace requires Workplace & Productivity integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Outlook Personal MCP when:

You need dedicated capabilities in the Workplace & Productivity domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: whoami, list_messages, search_messages.

Explore Outlook Personal MCP Details

Choose Zephyr Scale MCP when:

You need dedicated capabilities in the Workplace & Productivity domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: create_test_case, get_test_case, search_test_cases.

Explore Zephyr Scale MCP Details

Feature & Specification Comparison

Specification	Outlook Personal MCP Workplace & Productivity	Zephyr Scale MCP Workplace & Productivity
Summary	Full-control MCP server for a personal Outlook.com mailbox and calendar (Microsoft Graph).	Zephyr Scale on self-hosted Jira Server/DC: test cases, cycles, executions, plans and attachments
Category & Scope	Workplace & Productivity	Workplace & Productivity

Tools & Capabilities Breakdown

Outlook Personal MCP Tools (32)

whoami

Return the signed-in user's Microsoft account profile

list_messages

List messages (newest first); optionally filter by folder or unread-only

search_messages

Full-text search across the entire mailbox (Graph `$search`)

get_message

Get a single message; optionally include the full body

list_attachments

List a message's attachments (id, name, size, content type)

download_attachment

Download an attachment to a path under `OUTLOOK_MCP_FILE_ROOT` (refuses to overwrite an existing file)

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).

Outlook Personal MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "outlook-personal-mcp": {
      "command": "uvx",
      "args": [
        "mcp-outlook-personal"
      ]
    }
  }
}

Zephyr Scale MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "zephyr-scale-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "zephyr-scale-mcp"
      ]
    }
  }
}

Frequently Asked Questions

Outlook Personal MCP is categorized under Workplace & Productivity and uses a local stdio subprocess. In contrast, Zephyr Scale MCP belongs to Workplace & Productivity using local stdio subprocess. Select Outlook Personal MCP when you need capabilities focused on workplace & productivity and Zephyr Scale MCP when you require tools for workplace & productivity.

More alternatives to Outlook Personal MCP More alternatives to Zephyr Scale MCP Workplace & Productivity category hub