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Research & Grey LiteratureMCP serverFirst audited Nov 13, 2026

science.supp/suppscience

993 evidence-graded supplements: claims, doses, safety, interactions, FAQ, PubMed refs. 5 languagesThe vendor's description, from its MCP Registry listing.

Passed, with 1 warningAudited Nov 13, 2026
  • Warning: 6 of 6 tools do not say whether they can change things.

Nothing failed, but there is something to know or fix. Public audit: we connect as an AI client would, list the tools and check what they say. We do not run them. How we audit

Does it work?
YesConnected in 147 ms.
Sign-up?
None neededIt answered without any account or key.
Can it change things?
Doesn't sayIts tools do not say whether they only read, so treat them as able to change things.
Endpointhttps://supp.science/mcp

Website Streamable HTTP · protocol 2025-06-18 · server version 1.2.0

What we checked, the evidence, and the tools it offers.

What we checked

Security

  • Passed: Connections are encrypted (HTTPS).

  • Passed: No hidden instructions found in tool text.

Safety labels

  • Warning: 6 of 6 tools do not say whether they can change things.

    MCP lets a server label each tool as read-only or destructive, so clients can ask the user before risky calls. Unlabelled tools are treated as able to change things.

    • search_supplements
    • get_supplement
    • list_guides
    • get_guide
    • search_training
    • get_training

Tools

  • Passed: 6 tools listed.

  • Passed: Every tool describes its inputs with a valid schema.

Protocol

  • Note: Protocol version 2025-06-18.

  • Passed: The MCP handshake works (Streamable HTTP).

  • Passed: Unknown requests are refused.

Connection

  • Passed: The server responds.

Tools (6)

As the server describes them. The labels are the server's own: it says whether each tool only reads or can change things.

  • search_supplementsSearch the catalog of 993 evidence-graded supplements by name, category, or topic. Returns matches with slug, evidence grade, and summary. Use get_supplement for the full analysis.Doesn't say
  • get_supplementGet the full evidence analysis for one supplement by slug: per-claim evidence grades, studied dose, safety, interactions, FAQ, PubMed references, purchase link (buyUrl), and the citable pageUrl (tran…Doesn't say
  • list_guidesList the comparison guides ("which form should you take?"): magnesium forms, creatine forms, vitamin C forms, omega-3 sources, protein powders, CoQ10 vs ubiquinol, iron, calcium, collagen types, fibe…Doesn't say
  • get_guideGet one comparison guide by slug, with the compared options, per-option verdicts, and purchase links.Doesn't say
  • search_trainingSearch the evidence-graded training topics: training variables (sets, reps, rest, failure), methods (drop sets, HIIT, zone 2), exercises (squat, bench press…), weight-loss strategies and gym myths. R…Doesn't say
  • get_trainingGet one training topic by slug: overall and per-claim grades, how to apply it (sets, reps, rest), technique for exercises, who should be careful, FAQ, PubMed references, the supplements from this cat…Doesn't say

Audit history

  1. Nov 13Warnings

What we sent

Every request in this audit, with the answer and how long it took. We never send credentials and never call a tool.

RequestAnswerTime
initializeHTTP 200147 ms
initializedHTTP 20238 ms
tools/listHTTP 200193 ms
unknown-methodHTTP 20036 ms

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