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How to compare vendor pricing pages in one table with Endoplexity

Have an agent open several pricing pages, read each one, and return a sourced comparison table.

Who it is forA product manager or analyst who needs to compare free tiers or plans across several vendors and wants the reading done in their own open browser tabs.

The problemComparing plans means opening each vendor site, finding the right page, and copying limits into a spreadsheet by hand.

The outcomeA comparison table with the sources used and a short takeaway on the trade-offs, produced from pages you already had open.

What you need first

  • Node 24 or newer, checked with `node -v`
  • Chrome 114 or newer
  • The claude CLI, the cursor-agent CLI, or both, already logged in to a subscription (Claude Pro is enough)
  • Git, to clone the repository

Steps

  1. Run git clone https://github.com/Endokelp/Endoplexity.git and then cd Endoplexity.
  2. Run npm install, then npm start to run the bridge in the foreground (or npm run setup on Windows for autostart).
  3. Open chrome://extensions, turn on Developer mode, click Load unpacked, and select the extension/ folder.
  4. Open the first pricing page in Chrome, then click the Endoplexity icon to open the side panel.
  5. Type the instruction naming each vendor, type @ to hand over other open tabs, and press Run.

Prompt for your agent

Using the Endoplexity repo at <repo path>, run a task in the Chrome side panel that reads the pricing pages at <vendor URLs> and returns a comparison table of free-tier limits with the source URL for each row. Verify that every row names the page it came from and that no figure is missing its source.

Caveat. Autostart via `npm run setup` is Windows-only for now, so macOS and Linux users need to keep `npm start` running in a terminal.

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