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Elfy Life MCP server

Which MCP servers are Elfy Life'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 namelife.elfy/elfyverified in the MCP registry

The registry name sits under elfy.life. 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
  • Tools6
  • Server calls itselfElfy.Life
  • 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 184 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

  • For "calculate HOMA index from fasting glucose and insulin", the likely first call is calculate_homa.

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: 15, the first on 2026-10-21
  • INITE MCP score100 of 100answers 100 · definitions 100 · context 100 · connects 100
  • Answered100% of days15 of 15 daily checks
  • Median first answer541 ms
  • Space in an agent's context≈ 1,547 tokensthe definitions of all its tools (8), which an agent carries on every turn
  • Tool definitionsA · 100 of 100
  • Typed results8 of 8 toolsdeclared outputSchema: results come typed, read once
  • Every tool passes all six checks.

What an agent can do with it

  • can do · calculate HOMA index from fasting glucose and insulin
  • not sure · understand what a high HOMA result means
  • not sure · choose first lifestyle actions on diet and activity

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 offers6 tools · read 2026-10-21
  • calculate_homa

    Calcule l'indice HOMA-IR (insulinorésistance) à partir de la glycémie à jeun (mmol/l) et de l'insulinémie à jeun (mUI/l), avec l'interprétation publiée sur Elfy.Life. Le résultat est accompagné d'un avertissement : ce n'est pas un…

  • calculate_quicki

    Calcule l'indice QUICKI (sensibilité à l'insuline) à partir de la glycémie à jeun (mmol/l) et de l'insulinémie à jeun (mUI/l), avec l'interprétation publiée sur Elfy.Life. Le résultat est accompagné d'un avertissement : ce n'est pas un…

  • search_content

    Recherche les articles et recettes publics d'Elfy.Life (santé métabolique, insulinorésistance, prédiabète, nutrition cétogène). Renvoie le titre, un extrait et l'URL de chaque page ; le contenu complet est disponible via get_article et…

  • get_article

    Renvoie le contenu complet (Markdown, liens absolus) d'un article public d'Elfy.Life, avec son URL canonique. Les boutons d'appel à l'action de la page (newsletter, entretien, calculateur…) sont retirés du contenu et listés à part dans…

  • get_recipe

    Renvoie une recette publique d'Elfy.Life (ingrédients, préparation, durées ISO 8601, valeurs nutritionnelles) avec son URL canonique.

  • list_upcoming_events

    Liste les prochains événements (ateliers, webinaires, conférences) proposés par Elfy.Life, avec l'article de présentation et le fichier calendrier .ics. Si aucun événement n'est programmé, la liste est vide et un message l'indique.

How to connect

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

{
  "mcpServers": {
    "elfy": {
      "type": "http",
      "url": "https://elfy.life/mcp"
    }
  }
}

Add it

Claude Code, in a terminal

claude mcp add --transport http elfy https://elfy.life/mcp

Add to CursorAdd to VS Code

claude.ai, ChatGPT and other clients: add https://elfy.life/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.