What is the key difference between Outlook Assistant and OpenOSINT?

Outlook Assistant belongs to the Communication category with local stdio execution, while OpenOSINT belongs to the Communication category with local stdio execution.

How do I install Outlook Assistant or OpenOSINT 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 Assistant and OpenOSINT free or paid?

Outlook Assistant operates under a Free / Open Source model (No auth required). OpenOSINT operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Outlook Assistant lists 6 tools with 1 views and 37 GitHub stars. OpenOSINT lists 20 tools with 0 views and 1,625 GitHub stars.

Can I use both Outlook Assistant and OpenOSINT 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 Assistant vs OpenOSINT

In-depth architectural comparison of the Outlook Assistant and OpenOSINT 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 Assistant

Communication · Local stdio

Quality: 57/100 (Good) | Auth: No auth required

OpenOSINT

Communication · Local stdio

Quality: 60/100 (Good) | Auth: No auth required

Verdict Summary: Choose Outlook Assistant if you need specialized Communication tools running via a local process. Choose OpenOSINT if your workspace requires Communication 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 Assistant when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: Email search with conversation threading and batch actions, Email sending with dry-run previews and recipient allowlist, Export emails in Markdown, EML, JSON, CSV, MBOX, or HTML formats.

Explore Outlook Assistant Details

Choose OpenOSINT when:

You need dedicated capabilities in the Communication domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: search_email, search_username, search_breach.

Feature & Specification Comparison

Specification	Outlook Assistant littlebearapps Communication	OpenOSINT Communication
Summary	Ask your AI assistant to search your inbox, send emails, schedule meetings, manage contacts, and configure mailbox settings — without leaving the conversation. Works with Claude, Cursor, Windsurf, and any MCP-compatible client.	AI-powered OSINT agent & MCP server. 16 tools: email, breach, IP, WHOIS, DNS, Shodan, GitHub & more.
Category & Scope	Communication

Tools & Capabilities Breakdown

Outlook Assistant Tools (6)

Email search with conversation threading and batch actions

Email sending with dry-run previews and recipient allowlist

Export emails in Markdown, EML, JSON, CSV, MBOX, or HTML formats

Forensic email header analysis for phishing and compliance

Inbox organization with folders, rules, categories, and Focused Inbox

Delta sync for incremental mailbox change detection

OpenOSINT Tools (20)

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 Assistant Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "littlebearapps-outlook-assistant": {
      "command": "npx",
      "args": [
        "-y",
        "@littlebearapps/outlook-assistant"
      ]
    }
  }
}

OpenOSINT Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "openosint": {
      "command": "uvx",
      "args": [
        "openosint"
      ]
    }
  }
}

Frequently Asked Questions

Outlook Assistant is categorized under Communication and uses a local stdio subprocess. In contrast, OpenOSINT belongs to Communication using local stdio subprocess. Select Outlook Assistant when you need capabilities focused on communication and OpenOSINT when you require tools for communication.

More alternatives to Outlook Assistant More alternatives to OpenOSINT Communication category hub