Short, because there's little to say.

The app

Retriever has no telemetry, no crash reporter that phones home and no account. Apart from the HTTP requests you send, it talks to one server: Polar, to check your license (see below). Your collections, environments and response history are plain JSON files in ~/Library/Application Support/Retriever/ on your Mac.

The bundled MCP server is a local program. It talks to your AI agent over stdio, reads and writes the same workspace files, and makes only the requests your agent asks for. Variable values whose names look like secrets are masked in its answers unless the agent explicitly asks to reveal them.

Buying and the license check

Retriever is sold through Polar, which handles checkout, payment, tax and the receipt email as the merchant of record; their privacy policy covers what you enter at checkout. When you activate, the app sends your license key and your Mac's name (so you can tell your Macs apart in the Polar customer portal) to Polar's license API. After that it sends the key and this Mac's activation ID to Polar about once a day to confirm it's still valid. Nothing about your requests, collections or workspace is ever sent. The key is stored on your Mac in license.json, readable only by you.

This website

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Email

If you email me, I use your address to reply. I don't share it, and you can ask me to delete it at any time: gorgekara@gmail.com.

Last updated 18 September 2026 (license check added).