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Longhand

Verified Integration
Author: @Wynelson94•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 Longhand to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "longhand": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-longhand"
      ],
      "env": {}
    }
  }
}
Paste into ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows).
Architecture & Capabilities

System Overview

Provides lossless local memory for Claude Code sessions, storing every event verbatim for searchable, replayable, and recallable history.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Longhand

Longhand provides lossless, local memory for your Claude Code sessions. It stores every event – tool calls, file edits, thinking blocks – verbatim on your machine in SQLite and ChromaDB, ensuring a complete, private, and searchable history without relying on tokens or cloud services.

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