PeprCheck in Claude and ChatGPT
PeprCheck in Claude and ChatGPT prices UK packaging right from your chat, part by part, with each part’s RAM rating.
PeprCheck is a UK pEPR fee calculator that shows what each part of your packaging will cost and which design changes would lower it.
Who can use PeprCheck in Claude and ChatGPT?
PeprCheck in Claude and ChatGPT comes with a PeprCheck account, at no extra cost. We’re still invitation-only, so request an invite if you’d like to try it.
How do I connect PeprCheck to Claude?
In Claude, open Settings, then Connectors, and add a custom connector with this address:
https://mcp.peprcheck.com/mcp
Sign in to PeprCheck and select Allow, and you’re set.
Once PeprCheck is listed in Claude’s directory, you’ll be able to find it there instead.
How do I connect PeprCheck to ChatGPT?
If your ChatGPT plan lets you add custom connectors, add one with the same address. Sign in to PeprCheck and select Allow.
What can I ask PeprCheck in Claude or ChatGPT?
- “What will a PET bottle with a PP cap cost in pEPR fees for 100,000 units in 2026/27?”
- “Here is my packaging list. Price each one with PeprCheck.”
- “Would a paper label instead of a plastic sleeve lower the fee on this bottle?”
What does PeprCheck keep when I use it in Claude or ChatGPT?
PeprCheck doesn’t keep your packaging details or the answers. We keep only a daily count of how many items of packaging were priced and how many requests failed, and a note of which app you connected. Our privacy notice has the details.
Are the figures from PeprCheck in Claude and ChatGPT the same as on the website?
The figures from PeprCheck in Claude and ChatGPT are the same estimates as on the website, from the same calculator. Because they’re estimates, please don’t use them in reports to regulators or to check invoices.
What if PeprCheck in Claude or ChatGPT says my account doesn’t have access?
Your PeprCheck account needs access before it can connect. Email hello@peprcheck.com and we’ll sort it out with you.
How do I disconnect PeprCheck?
You can disconnect PeprCheck at any time in Claude’s or ChatGPT’s connector settings. If you’d rather, email hello@peprcheck.com and we’ll help.