Cctx

Verified Integration

Author: @70-90•Category: ServerApplication

GitHub Repository

JSON-RPC 2.0

Protocol Standard

Sub-second

Execution Latency

Active

Operational Status

Client Configuration

— Connect Cctx to Claude Desktop or Cursor in seconds

{
  "mcpServers": {
    "cctx": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-cctx"
      ],
      "env": {}
    }
  }
}

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).

Architecture & Capabilities

System Overview

Reduces Claude Code token usage by 70-90% by applying context compression with a free local LLM.

Indexed Date

7/21/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Cctx

Absolutely. All optimization processes, including analyzing your code, tool outputs, and conversation history, occur entirely on your local machine. Your data never leaves your environment, ensuring maximum privacy and security without any cloud hops or API calls to third parties.

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