Peptide Library

Connect it to your AI

Claude Code

claude mcp add --transport http peptide-library https://peptidelibrary.app/mcp

Claude, ChatGPT, Cursor and other apps

Add it as a custom connector with this URL (Streamable HTTP):

https://peptidelibrary.app/mcp

Cursor, VS Code and other apps (mcp.json)

{
  "mcpServers": {
    "peptide-library": {
      "url": "https://peptidelibrary.app/mcp"
    }
  }
}

Tools it offers

10 tools, as the server itself reported during our check on Oct 31, 2026.

• search_peptidesSearch the Peptide Library research database by name, synonym or alias (fuzzy), optionally filtered by research category or research area. Returns short educational profiles with evidence level and the canonical Peptide
• get_peptide_detailsFull educational research profile for one peptide: classification, mechanism and targets, research areas, evidence by tier (regulatory label, controlled human trials, other human studies, secondary reports, animal and in
• compare_peptidesSide-by-side research comparison of 2-3 peptides on structured profile fields: mechanism and targets, research areas, evidence level and human-trial availability, safety and side effects, FDA/WADA status, half-life and s
• search_researchSearch Peptide Library's own educational content: the site FAQ, per-peptide FAQs, published articles and free courses. Returns titles, short snippets and links with source attribution (no full text, no third-party articl
• get_peptide_categoriesList the Peptide Library research categories (e.g. GLP-1/Metabolic, Cognitive, Longevity) with a description, the number of profiles and every profile in each, with links. Use a category id with search_peptides to filter
• get_research_trendsThis week's most-researched peptides in the Peptide Library community (Trending Now, last 7 days): rank, share of researchers and growth as percentages, with what moved. Aggregate and privacy-preserving: no head counts,
• convert_unitsConvert an amount between mg and mcg exactly. IU ↔ mass conversion only works with a peptide whose profile documents an IU-per-mg factor (pass `peptide`); otherwise the result is an iu_factor_missing issue, never an assu
• solution_concentrationConcentration of an amount dissolved in a volume of liquid (amount ÷ volume), as mg/mL, mcg/mL and, with a peptide's documented factor, IU/mL. Pure arithmetic on the given numbers: it does not suggest amounts, volumes or
• blend_concentrationsFor several components dissolved together in one volume: each component's concentration and its share of the blend by amount. Arithmetic only; it says nothing about whether components can or should be combined.
• cost_per_amountPrice arithmetic for a purchase: total cost (price plus optional shipping) and cost per mg, per mcg and (with a peptide's documented factor) per IU. Uses only the numbers given; it never estimates prices or shipping and

Questions