What is the key difference between Coresignal and Emailfinder MCP?

Coresignal belongs to the Social Media category with local stdio execution, while Emailfinder MCP belongs to the Social Media category with local stdio execution.

How do I install Coresignal or Emailfinder 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 Coresignal and Emailfinder MCP free or paid?

Coresignal operates under a Free / Open Source model (No auth required). Emailfinder MCP operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Coresignal lists 2 tools with 0 views and 0 GitHub stars. Emailfinder MCP lists 5 tools with 0 views and 0 GitHub stars.

Can I use both Coresignal and Emailfinder 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

Coresignal vs Emailfinder MCP

In-depth architectural comparison of the Coresignal and Emailfinder 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

Coresignal

Social Media · Local stdio

Quality: 44/100 (Fair) | Auth: No auth required

Emailfinder MCP

Social Media · Local stdio

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

Verdict Summary: Choose Coresignal if you need specialized Social Media tools running via a local process. Choose Emailfinder MCP if your workspace requires Social Media integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.

Which MCP Server Should You Choose?

Choose Coresignal when:

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

Explore Coresignal Details

Choose Emailfinder MCP when:

You need dedicated capabilities in the Social Media domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Primary tools included: find_email_by_person, find_email_by_linkedin, find_company_emails.

Explore Emailfinder MCP Details

Feature & Specification Comparison

Specification	C Coresignal Social Media	E Emailfinder MCP Social Media
Summary	Coresignal MCP — LinkedIn-adjacent company + employee data (coresignal.com)	Find verified professional emails by name, domain, LinkedIn, or role.
Category & Scope	Social Media	Social Media
Quality signal

Tools & Capabilities Breakdown

Coresignal Tools (2)

coresignal_company

Look up a company's firmographics + headcount (size, employee count, industry, founding year, HQ, LinkedIn URL) from Coresignal by company name or website. LinkedIn-adjacent B2B data. Example: coresignal_company({ name: "Stripe", _apiKey: "your-key" })

coresignal_employee

Find a person's professional profile by name (+company) via Coresignal — returns title, current company, location, LinkedIn URL, work experience and education. LinkedIn-adjacent people data. Example: coresignal_employee({ name: "Patrick Collison", company: "Stripe", _apiKey: "your-key" })

Emailfinder MCP Tools (5)

find_email_by_person

Name + domain → email

find_email_by_linkedin

LinkedIn URL → email

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).

Coresignal Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "coresignal": {
      "command": "npx",
      "args": [
        "-y",
        "coresignal"
      ]
    }
  }
}

Emailfinder MCP Configuration

mcpServers (Claude Desktop / Cursor)

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

Frequently Asked Questions

Coresignal is categorized under Social Media and uses a local stdio subprocess. In contrast, Emailfinder MCP belongs to Social Media using local stdio subprocess. Select Coresignal when you need capabilities focused on social media and Emailfinder MCP when you require tools for social media.

More alternatives to Coresignal More alternatives to Emailfinder MCP Social Media category hub