What is the key difference between Agentsim MCP and MCP Server Tempmail?

Agentsim MCP belongs to the Communication category with local stdio execution, while MCP Server Tempmail belongs to the Communication category with local stdio execution.

How do I install Agentsim MCP or MCP Server Tempmail 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 Agentsim MCP and MCP Server Tempmail free or paid?

Agentsim MCP operates under a Free / Open Source model (No auth required). MCP Server Tempmail operates under a Free / Open Source model (No auth required).

Which MCP server has more tools and community activity?

Agentsim MCP lists 7 tools with 1 views and 1 GitHub stars. MCP Server Tempmail lists 9 tools with 2 views and 10 GitHub stars.

Can I use both Agentsim MCP and MCP Server Tempmail 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

Agentsim MCP vs MCP Server Tempmail

In-depth architectural comparison of the Agentsim MCP and MCP Server Tempmail 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

Agentsim MCP

Communication · Local stdio

Quality: 51/100 (Good) | Auth: No auth required

MCP Server Tempmail

Communication · Local stdio

Quality: 51/100 (Good) | Auth: No auth required

Verdict Summary: Choose Agentsim MCP if you need specialized Communication tools running via a local process. Choose MCP Server Tempmail 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 Agentsim MCP 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: open_challenge, wait_for_verdict, get_messages.

Explore Agentsim MCP Details

Choose MCP Server Tempmail 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: get_email_domains, create_email, list_emails.

Explore MCP Server Tempmail Details

Feature & Specification Comparison

Specification	Agentsim MCP Communication	MCP Server Tempmail Communication
Summary	Real SIM-backed mobile numbers for AI agents to receive SMS and OTP codes.	MCP server for temporary email management using ChatTempMail API
Category & Scope	Communication	Communication
Quality signal

Tools & Capabilities Breakdown

Agentsim MCP Tools (7)

open_challenge

Open an authentication challenge session for a required owned `service_url`; accepts channel (sms_otp \

wait_for_verdict

Long-poll for the challenge verdict — returns structured outcome including otp_code, magic_link, webauthn_required, or policy_denied

get_messages

List raw SMS messages received on a session

release_number

Release a session early (allocation returned to pool)

list_numbers

List all active sessions for this account

provision_number

Provision a temporary programmable US number for SMS OTP — kept for backward compatibility

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).

Agentsim MCP Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mcp-165": {
      "command": "uvx",
      "args": [
        "agentsim-mcp"
      ]
    }
  }
}

MCP Server Tempmail Configuration

mcpServers (Claude Desktop / Cursor)

{
  "mcpServers": {
    "mcp-server-tempmail": {
      "command": "npx",
      "args": [
        "--from",
        "git+https://github.com/Selenium39/mcp-server-tempmail.git",
        "mcp-server-tempmail"
      ]
    }
  }
}

Frequently Asked Questions

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

More alternatives to Agentsim MCP More alternatives to MCP Server Tempmail Communication category hub