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LeanKG

Name: LeanKG
Availability: InStock
Author: FreePeak

Supports UI

by FreePeak

Lightweight local knowledge graph for AI coding tools to reduce token usage and provide accurate codebase context.

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Works in:CursorCodexGemini CLI

Exposes:ToolsResources

View on GitHub Watch demo Docs

What it does

LeanKG connects AI coding assistants to a local-first knowledge graph of your codebase. It indexes code, builds dependency graphs, and allows AI tools to query targeted subgraphs instead of scanning entire files, significantly reducing token consumption and increasing accuracy.

Tools

index: Indexes the codebase to build the knowledge graph.
impact: Calculates the blast radius of changes.
trace: Shows feature-to-code traceability.
detect-clusters: Identifies functional code communities.
export: Exports the graph as Mermaid, DOT, or JSON.
metrics: Tracks token savings and indexing efficiency.

Installation

{
  "mcpServers": {
    "leankg": {
      "command": "leankg",
      "args": ["mcp"]
    }
  }
}

Supported hosts

Claude Desktop, Cursor, OpenCode, Kilo Code, Gemini CLI, Google Antigravity, Codex.

Quick install

curl -fsSL https://raw.githubusercontent.com/FreePeak/LeanKG/main/scripts/install.sh | bash -s -- cursor

Information

Pricing: free
Published: 4/27/2026
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Related Apps

Choose your AI client and follow the steps below.

Codex

Run the install script with `--target codex` and add to AGENTS.md.

Cursor

Install via the provided install script: `curl -fsSL https://raw.githubusercontent.com/FreePeak/LeanKG/main/scripts/install.sh | bash -s -- cursor`

Claude Desktop

Add `leankg` to your `claude_desktop_config.json` using the `mcp` command.

LeanKG - MCP App for ChatGPT, Claude & AI Assistants | MCP App Store