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Flatten

Verified Integration
Author: @shayaShav•Category: ServerApplication
GitHub Repository
JSON-RPC 2.0
Protocol Standard
Sub-second
Execution Latency
Active
Operational Status
Tags:#Claude#Search#Database#API#Git#Filesystem#AI#GitHub#Node.js

Client Configuration

— Connect Flatten to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "flatten": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-flatten"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Optimizes Claude Code session token usage by externalizing bulky tool output, preserving the exact conversation history.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Flatten

Flatten is a Model Context Protocol (MCP) server designed for Claude Code. It optimizes session token usage by externalizing bulky tool outputs like large file reads, command logs, or screenshots into separate sidecar files, leaving a small reference in their place.

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