Use it with your AI
Every page here is readable by AI assistants, and the whole site is also a tool they can call. Ask the way you'd ask a friend who knows vet pricing.
Just ask
Any assistant that can read web pages — Claude, ChatGPT, Perplexity, Gemini — can use this site. Name it in your question:
Use medicines.praxisos.vet to find the cheapest UK online price for my pet's medicine: [medicine name and strength]. Tell me the cheapest authorised UK online pharmacy per dose, whether I need a written prescription from my vet, and the most my vet may charge for one.
Use medicines.praxisos.vet to compare UK prices for “Bravecto for a large dog”: https://medicines.praxisos.vet/search?q=bravecto+large+dog — Tell me the cheapest authorised UK online pharmacy per dose, whether I need a written prescription from my vet, and the most my vet may charge for one.
Use medicines.praxisos.vet (https://medicines.praxisos.vet/your-rights) to explain my rights as a UK pet owner under the CMA's vet market Order: written prescriptions, the maximum prescription fee, and when each applies to my practice.
Add it as a tool (MCP)
The site is an MCP server. No account or key is needed.
Server address
https://medicines.praxisos.vet/mcp
- Claude (claude.ai, desktop and mobile): Settings → Connectors → Add custom connector, paste the address.
- ChatGPT: on a plan that allows custom connectors (developer mode), add a connector with the address.
- Claude Code:
claude mcp add --transport http praxis-medicines https://medicines.praxisos.vet/mcp - Cursor, VS Code and others: add a remote (Streamable HTTP) MCP server with the address.
Tools: search_medicines, get_medicine_prices, compare_same_active_ingredient, get_prescription_rights, estimate_prescription_saving, draft_prescription_request, list_pharmacies.
In the browser (WebMCP)
Pages here offer the same tools to AI agents that work inside your browser through WebMCP (navigator.modelContext), so an agent can search and compare without scraping the page.
For developers
- llms.txt — what the site is and where everything lives, for language models.
GET https://medicines.praxisos.vet/data/search.json?q=apoquel— search, with the cheapest price per dose.GET https://medicines.praxisos.vet/data/medicine/A005133.json— one medicine: every price, legal category, same-ingredient products.GET https://medicines.praxisos.vet/data/rights.json— the CMA Order's rights and dates, as data.- Every medicine page also exists as Markdown: add
.mdto its address.
Open data, free to use with attribution. Please keep to a few requests a second.
Free Chrome extension
Keep it one click away
Open Praxis in Chrome's side panel and compare a medicine while you look at your vet's invoice, a reminder email or a pharmacy's basket. Search, prices per dose, the prescription calculator and your rights — everything on this site, beside any page.
- Free for pet owners
- No account, no sign-up, nothing to fill in
- Opens beside any page, closes when you're done
Add to Chrome — it's freeHow it works
Work at a vet practice? The same extension connects to your practice system when you choose to sign in — and not before.
Try it
This site is built to be read by Claude, ChatGPT and other assistants. Tell yours:
Use medicines.praxisos.vet to find the cheapest UK online price for my pet's medicine: [medicine name and strength]. Tell me the cheapest authorised UK online pharmacy per dose, whether I need a written prescription from my vet, and the most my vet may charge for one.