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leon

leon-ai/leon

Leon is your open-source personal assistant

GitHub Website

GraphCanon updated 3w · GitHub synced 3w

17k stars1.5k forksLast push 4w TypeScript MIT

Decision brief

Leon is an open-source personal assistant built with TypeScript under the MIT license, designed for users who prioritize privacy and offline operation.

Good fit when

Use Leon if you need a personal assistant that operates offline, ensuring your data isn't sent to external servers without review.
Select Leon when you are looking for an AI assistant developed in TypeScript, offering potential for easier integration with other TypeScript projects.

Avoid when

Do not use Leon if you require extensive functionality provided by languages like Python or frameworks not supported by TypeScript.
Avoid Leon if your project strictly requires real-time internet connectivity, as it is optimized for offline operation which could limit certain networking features.

Observed Jul 16, 2026 · Source: enrich:decision_facts

leon alternatives Trust report

Verify the decision

Adoption

Package downloads where a registry match exists. GitHub stars (17,388) are secondary evidence.

npm downloads (30d): 146·npm downloads API·3w

Maintenance and security

Full trust report

Maintenance: Very active (1d since push); As of 3w
Provenance: Not a fork · Organization account; As of 3w
Security (OSV): No lockfile; As of 1mo

Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.

Install

npm install leon

npm

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Evidence and technical details

Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.

Overview

This repository contains an open-source AI-based personal assistant with capabilities such as speech recognition and text-to-speech functions.

Capability facts

CLI: CLI entrypoint
Source: package.json:bin|scripts · Jul 29, 2026
MCP server: No MCP server detected
Source: repo_scan · Jul 29, 2026
Languages: typescript, javascript
Source: github.language+package.json · Jul 29, 2026

Compatibility

Sourced claims from the README excerpt - not unsourced marketing copy.

Node.js runtimeNode.js

Source: README excerpt (regex_v1, Jul 29, 2026)

npm install --global pnpm@latest

Source link

README

Install pnpm