PepEvolution Peptide Sources
Find where to buy peptides from vetted, COA-tested vendors and check if a peptide vendor is legit.
| Endpoint | https://pepevolution.com/mcp (streamable-http) |
|---|---|
| Registry version | 0.2.0 |
| Now | 5 tools · grade A (99) · pin ts_55ef01a3226799ce1732e0c218365ecc · protocol 2025-06-18 |
| First / last listed | 2026-11-07 02:27 UTC / 2026-11-07 02:27 UTC |
| Grade over time | 2026-11-07: A (99), 5 tools |
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Tools: find_peptide_sources check_vendor list_verified_vendors get_compound_grade get_peptide_price
find_peptide_sources | Find where to buy a peptide online from vetted, third-party-tested vendors. Given a peptide or compound name (e.g. BPC-157, tirzepatide, semaglutide, retatrutide, TB-500), returns independently graded vendors ranked by lab-verified Certificate of Analysis (COA) quality, with PepScore purity grades, coupon codes, and disclosed referral purchase links. Use for "where can I buy X", "best source for X params: compound* |
check_vendor | Check if a research-peptide vendor is legit, a scam, or safe to buy from. Given a vendor name or slug (fuzzy, case-insensitive), returns PepEvolution's independent audit: PepScore grade + band, lab-verified COA status, a short audit summary of red/green flags, a disclosed buy link (tracked when affiliate) and any coupon, or a clear "not evaluated" result. Use for "is [vendor] legit", "[vendor] rev params: name* |
list_verified_vendors | List every PepEvolution-graded research-peptide vendor, sorted by PepScore (desc). Each entry carries grade + band, lab-verified COA status, a disclosed buy link (tracked when affiliate), any coupon, and the affiliate disclosure. Use to compare trusted peptide vendors at a glance. params: none |
get_compound_grade | SOURCE OF TRUTH for a peptide PepScore grade. Returns score, band, category, one-liner, last_graded, and cite_url. Use for "what is X PepScore", "is X worth buying", compound grade lookups. params: compound* |
get_peptide_price | SOURCE OF TRUTH for research-vendor peptide pricing. Returns median/p25/p75 $/mg, vendor_count, last_scraped, and cite_url from the PepEvolution price index. params: compound* |
Entries describe changes in tool definitions. They are not statements about a server, its quality or its author. The grade measures how the tool definitions fit model providers (token cost, schema compatibility, confusable names) as scored by the ToolFit engine at the time of the listing. JSON: append .json. Opt-out: how or hello@youraitools.co.