API vs Gctrl

In-depth architectural comparison of the API and Gctrl 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 API when:

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

Explore API Details

G

Choose Gctrl when:

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

Explore Gctrl Details

Feature & Specification Comparison

Specification	API Foundry Knowledge & Memory	G Gctrl Knowledge & Memory
Summary	Bounded tools for rendering, extraction, RAG, enrichment, local discovery and review analysis.	Governed graph-native agent memory: knowledge extraction, fusion, hybrid RAG, scoped access tokens.
Category & Scope	Knowledge & Memory	Knowledge & Memory
Quality signal

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": {
    "foundry-api": {
      "command": "npx",
      "args": [
        "-y",
        "foundry-api"
      ]
    }
  }
}

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

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