Greencalculus MCP vs Capsulemcp

In-depth architectural comparison of the Greencalculus MCP and Capsulemcp 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?

Choose Greencalculus MCP when:

• You need dedicated capabilities in the Data Platforms domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: No auth required (Free / Open Source).
• Primary tools included: lookup_factor, lookup_factors, search_factors.

Explore Greencalculus MCP Details

Choose Capsulemcp when:

• You need dedicated capabilities in the Data Platforms domain.
• You prefer local stdio subprocess transport architecture.
• Your security boundary fits: API Key required (Free / Open Source).
• You have access to required keys: CAPSULE_API_TOKEN.
• Primary tools included: Capsule CRM record search and management, Structured and saved-filter queries, Read-only operating mode.

Explore Capsulemcp Details

Feature & Specification Comparison

Specification	Greencalculus MCP jeremiahsay Data Platforms	Capsulemcp soil-dev Data Platforms
Summary	Sourced greenhouse-gas emission factors and audit-traced carbon calculations (activity, embodied EN 15978, PCAF financed emissions) — every value returns with its exact source cell and data version, so answers are citable and reproducible. 13,000+ factors, 11 tools. Install: npx -y greencalculus-mcp, or connect remotely at https://mcp.greencalculus.com. Free tier, no card.	MCP server for Capsule CRM. 81 tools (49 in read-only mode) covering contacts, opportunities, projects, tasks, timeline activity, structured + saved filters, workflow tracks, and file attachments. Two transports — stdio (npx capsulemcp) and HTTP+OAuth for hosted Custom Connectors. Read-only-mode env flag for safer defaults. Apache 2.0.

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": {
    "jeremiahsay-greencalculus-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "greencalculus-mcp"
      ]
    }
  }
}

{
  "mcpServers": {
    "soil-dev-capsulemcp": {
      "command": "npx",
      "args": [
        "-y",
        "capsulemcp"
      ],
      "env": {
        "CAPSULE_API_TOKEN": "YOUR_CAPSULE_API_TOKEN_HERE"
      }
    }
  }
}

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