Relm CRM vs Kesslerio Attio MCP Server

In-depth architectural comparison of the Relm CRM and Kesslerio Attio MCP Server 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.

Which MCP Server Should You Choose?

R

Choose Relm CRM when:

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

Explore Relm CRM Details

Choose Kesslerio Attio MCP Server when:

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

Explore Kesslerio Attio MCP Server Details

Feature & Specification Comparison

Specification	R Relm CRM Customer Data Platforms	Kesslerio Attio MCP Server Customer Data Platforms
Summary	API-first CRM for LLMs - contacts, companies, deals and activities over a native MCP server.	Enable AI assistants to interact directly with your Attio CRM data through natural language querie…
Category & Scope	Customer Data Platforms	Customer Data Platforms

Tools & Capabilities Breakdown

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).

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

{
  "mcpServers": {
    "kesslerio-attio-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "attio-discover"
      ]
    }
  }
}

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