Goldfish

AI assistant that remembers your work and writes replies in your tone, available for macOS and Windows.

Overview

Goldfish is a local AI assistant that learns your communication style and work context to generate replies that sound like you. It runs entirely on your device with no data retention, making it privacy-first by design.

The tool works anywhere you type by pressing Option (Mac) or Shift (Windows) and integrates with popular AI tools like Claude, Cursor, and Codex. It maintains a persistent memory of your work so you never have to re-explain context in conversations.

Key features

Local-first processing on your device
Learns your communication style
Works anywhere you type
Integrates with Claude, Cursor, Codex
Zero data retention for AI requests
Persistent work memory
Keyboard shortcut activation

Pros

Private by design with no data sent to servers
Learns your tone and context over time
Works universally across any text input
No data used for training
Free during beta period

Cons

Currently in beta with limited feature set
macOS and Windows only
Requires keyboard shortcut interaction
Limited to supported AI tools

Use this if

You want an AI assistant that understands your communication style and works everywhere you type while keeping all data private on your device.

Skip this if

You need cross-device sync, cloud-based collaboration, or support for platforms beyond macOS and Windows.

Best for

Writing replies that match your toneReducing context-switching overheadPrivacy-conscious AI usageDevelopers and knowledge workersCross-application AI assistance

Alternatives

CopilotClaudeChatGPTCursor AIGitHub Copilot

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