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Lean Local Search

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

System Overview

Indexes Lean declarations locally to enable fast, theorem-aware search and proof assistance within Lean and Mathlib projects.

Indexed Date

7/23/2026

License

Open Source

Protocol Layer

stdio / SSE RPC

Frequently Asked Questions

Architecture and operational details for Lean Local Search

Yes, Lean Local Search is designed for efficiency with large repositories. It features incremental and resumable indexing with path filters and batch sizes, making it suitable for extensive projects like Mathlib.

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