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Build a “send this to my app” extension

Free instructions · English

About this edition

Edition 2026-09-06-draft-01 · 67 projects · 10 skills

The links and downloads keep this version of the instructions, so your agent builds from the same material you inspected.

Build a “send this to my app” extension

Build a browser extension that captures useful information from a page and sends it into the person's own desktop application. Build the connection extremely well, from selecting the material through seeing it in the right place in the app. Follow the shared launch.

This is a continuation of an existing application. Good foundations include the calling desk, photo-report desk, and quote builder. Start with the app the person already uses. If they are starting fresh, help them choose and build the relevant foundation first.

Capture something that belongs in the work

Find a real browser-to-application copying task. The person might collect a business's contact information, add a reference photograph to a job, or bring a product's details into an estimate. Learn what needs to travel and where it belongs.

Let the person capture relevant text, details, links, or images from the current page. Provide a useful preview they can correct before saving. Retain the source address and enough context to understand the material later.

Fit the capture to the receiving application. A contact needs the information the calling desk uses. A reference image needs its purpose and the job it belongs to. A product's listed price needs the terms that explain it. Let the person add their own note when that supplies missing context.

Put it in the intended place

Give the person a clear destination, such as a new contact, an existing job, or a particular estimate. Make that choice visible before they send. Preserve the chosen destination while the transfer is handled.

Set up a deliberate, appropriate connection between the extension and the application. Implement the receiving operation in the app so captured material becomes an ordinary record the person can find, edit, and use. Let the application apply its existing rules for identity and saved work.

Show completion when the receiving app has accepted the material, with a useful way to open or find the result. If the connection needs attention, retain the person's capture and make recovery straightforward. When retrying a transfer, recognize a capture already saved and take the person to that record.

Help them handle information already present in the app. They may want to add a source to an existing contact, update a detail, or keep a separate entry. Make that decision understandable using the app's actual records.

Explain the connection

Install the extension in the person's browser and configure its connection to the chosen desktop app. Explain the difference between access to selected web pages and access provided by this particular application. The person should understand what information is read, what is transferred, and what action creates the saved record.

Keep page content in its role as source material, including when an AI colleague later reads it inside the app. Preserve the person's own instructions and notes distinctly. Use the existing application's ownership and backup arrangements for the resulting records.

Leave the extension and its local connection understandable enough to update or reconnect after a change. The person can disable the extension and continue using their desktop app normally.

Follow a capture all the way through

Deliver the working extension and app integration. Capture information from a page the person actually uses, correct a detail, choose its destination, and open the resulting record in the desktop app. Use it in the person's normal workflow and confirm that its source and context are still available.

Explain how two applications can cooperate through an intentional connection. The learner discovers that a repeated copying chore can become a normal operation in software they own. Later capture types can extend this same connection while preserving the app's established records and working habits.

Text editionThe project page for this brief

browser-extensions/send-to-my-app.md · authored source, stored unchanged, edition 2026-09-06-draft-01.

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