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L

Lain

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

Client Configuration

— Connect Lain to Claude Desktop or Cursor in seconds
{
  "mcpServers": {
    "lain": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-lain"
      ],
      "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 AI coding agents with a persistent, queryable knowledge graph of codebases, enabling deep structural reasoning, change impact analysis, and semantic search.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Lain

Lain is a persistent code-intelligence server that builds a queryable knowledge graph of your codebase. It empowers AI coding agents with deep structural reasoning, allowing them to understand code relationships, analyze change impact, trace dependencies, and perform advanced semantic searches, leading to more accurate and insightful coding assistance.

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