Hey Spark

What is Hey Spark

Hey Spark is an open-source voice assistant for laptops by ContextuAI, with a local wake word and local speech recognition. It can use Claude or any OpenAI-compatible model as the brain and connect to tools through MCP servers. Write actions require spoken confirmation; the repository's license is marked NOASSERTION.

How to use

1. Make sure you have macOS 14+ on Apple Silicon or Windows 11, a microphone, about 1 GB of disk, and a brain: Claude Code signed in (or an Anthropic API key), an OpenAI-compatible key, or Ollama running locally.
2. Download the latest build from GitHub Releases: the .dmg for macOS (drag HeySpark into Applications) or HeySpark-Setup-.exe for Windows.
3. Open the app and allow microphone access.
4. Click the brain button, pick a provider and enter your key (or pick Ollama).
5. Press Start;
6. the first start downloads the speech models (about 200 MB).
7. Then say "Hey Spark" and ask a question or give a command.
8. Optionally add MCP connectors (GitHub, Gmail, Calendar, your own systems), shortcuts and a personality in the app's windows or config.yaml.

Use cases

• Asking a hands-free voice assistant questions on your laptop Checking your calendar or email by voice through MCP connectors Setting timers and running shortcut phrases such as a morning briefing Summarizing GitHub pull requests or starting a new project by voice, with spoken confirmation before changes Running a private voice assistant with local wake word, speech recognition and a local Ollama model

Price from official sources

Free

Check the official site for current pricing · Price not yet checked by our editors

Source: github.com · Info as of Nov 2, 2026

Company

Name

ContextuAI

Social

• github