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WeightMedsCompare MCP server

Which MCP servers are WeightMedsCompare's own, from the official registry and from asking its own domain, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-21

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Whose server it is
  • Registry nameuk.co.weightmedscompare/price-compareverified in the MCP registry

The registry name sits under weightmedscompare.co.uk. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-21
  • Stateanswerschecked 2026-10-21
  • Tools4
  • Server calls itselfweightmedscompare-build
  • Server version1.0.0
  • Protocol version2025-06-18

On 2026-10-21 the server answered initialize and tools/list without a sign-in. First answer in 1482 ms.

Should an agent connect itNot proven either way yet
  • Whether its tools do the product's job has not been judged yet.

Once connected

  • Parameters are untyped or undescribed in 2 of 4 tools: check arguments before calling.

Said by rules from the measurements above. The likely first call is a model's pick from the tool list; read its description before relying on it.

Measured dailydaily checks: 7, the first on 2026-10-21
  • INITE MCP score96 of 100answers 97 · definitions 92 · context 100 · connects 100
  • Answered100% of days7 of 7 daily checks
  • Median first answer1305 ms
  • Space in an agent's context≈ 535 tokensthe definitions of all its tools (4), which an agent carries on every turn
  • Tool definitionsA · 92 of 100
  • Typed results0 of 4 toolsdeclared outputSchema: results come typed, read once
  • Parameters without a description: in 2 of 4

What an agent can do with it

  • not sure · compare UK weight loss provider prices side by side
  • cannot · check whether the NHS could prescribe before going private
  • not sure · check whether your current medication price is fair

Each of the product's use cases, put to Jev against this server's tool list: can an agent do it with these tools?

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The score weighs what was measured and nothing else: answering (25%), doing the product's job (25%), definitions (20%), context (10%), use (10%) and how readily a client connects (10%). A part that was not measured is left out, and a hidden instruction caps the score at 40. The state of vendors' MCP servers: method and numbers →

Tools it offers4 tools · read 2026-10-21
  • list_medicines

    List the UK weight-loss medicines compared on WeightMedsCompare (Mounjaro/tirzepatide, Wegovy/semaglutide, Saxenda/liraglutide, oral GLP-1) with the lowest published monthly price and number of providers for each.

  • search_providers

    Find UK providers of a weight-loss medicine, with the lowest published monthly price for each. Factual listing data, not a recommendation.

  • get_provider

    Get one provider's details and full published pricing by provider id.

  • match

    Rank suitable UK providers for a medicine by an objective score (price, rating, CQC registration), with an optional factual eligibility note. This is a comparison, not medical advice or a recommendation; a prescriber decides suitability.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "price-compare": {
      "type": "http",
      "url": "https://jfwxdchauccbuwdqjnap.supabase.co/functions/v1/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http weightmedscompare https://jfwxdchauccbuwdqjnap.supabase.co/functions/v1/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://jfwxdchauccbuwdqjnap.supabase.co/functions/v1/mcp as a custom connector in the settings.

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.