TruePeptideSource MCP Server

by truepeptidesource Your server? Claim it

answering

TruePeptideSource is answering right now. Last checked 8 min ago. It exposes 6 tools.

Peptide reference and exact math: reconstitution units, blends, supply, dose ranges by origin.

Uptime history 14 days of history

14 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

395 ms

Response time

average over 24h

open, no key

Access

streamable-http

What changed 11

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 26 October 2026. No other catalogue keeps this.

7 Nov a tool changed version4 times that day

7 Nov a tool description was rewritten peptide_lookup

4 Nov a tool changed version3 times that day

30 Oct a tool changed version

28 Oct a tool changed version

26 Oct a tool changed version

and 5 more, back to 26 October 2026

Nothing serious here today

Today is the operative word: we check TruePeptideSource every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 8 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add peptides --transport http https://truepeptidesource.com/mcp

Settings → Connectors → Add custom connector, then paste this address

https://truepeptidesource.com/mcp

~/.codex/config.toml

[mcp_servers.peptides]
url = "https://truepeptidesource.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "peptides": {
      "url": "https://truepeptidesource.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "peptides": {
      "type": "http",
      "url": "https://truepeptidesource.com/mcp"
    }
  }
}

Available tools 6

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

peptide

peptide_blend_calculator

Math for vials holding two or more peptides (KLOW, GLOW, BPC-157 + TB-500, CJC-1295 + Ipamorelin): units to draw and how much of each peptide one draw delivers. Name a known blend or list the components, then give the dose for one component (targetPeptide) or for the whole blend (totalDose).

peptide_compare

Side-by-side comparison of two peptides (e.g. semaglutide vs tirzepatide, BPC-157 vs TB-500): evidence, FDA status, half-life, routes, vial sizes, storage, published dose ranges and key differences, each labelled by origin.

peptide_lookup

For questions about one peptide: published dose ranges and protocols, reconstitution, vial sizes, side effects, storage, half-life, FDA status, stacks and community reports. Each dose row carries an origin label (study, regulator, protocol sites, community), sources and page links.

peptide_reconstitution_calculator

Exact reconstitution math for a single-peptide vial: insulin syringe units for a dose, concentration after adding bacteriostatic water and doses per vial, or the dose held in a given number of units. Flags likely mg/mcg mix-ups against the peptide's published range. Returns a calculator link.

peptide_search

Lists the peptides TruePeptideSource covers, matched by name, alias or topic (GLP-1, healing, weight loss, sleep). Returns names, one-line summaries, FDA status, evidence level and page links.

peptide_supply_calculator

Plans supply and cost: how long a vial lasts, how many vials a cycle needs, and cost per dose, week and cycle when pricePerVial is given. Counts whole doses and respects how long a mixed vial keeps (from the dataset when a peptide is named).

Endpoints

URL	Transport	State	Latency	Checked
https://truepeptidesource.com/mcp	streamable-http	answering	411 ms	8 min ago

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same job, measured the same way

Peptigraph

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Experimental. Plan scuba decompression dives, gas blends and gas use with Dive Kit. Reference only.

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Shotlee

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Peptide and GLP-1 dosing math (dose to syringe units) plus search over Shotlee's articles.

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BNR reference exchange rates: the rate in force on any day since 2005, conversions to and from RON.

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SSTIM MCP: Senses, Stimuli and Perception

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TickerTrac saved records

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Saved TickerTrac theses, retained changes and exact source evidence; owner-reviewed record changes.

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Units-LE

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Extract durations, sizes, percentages and frequencies in one base unit, refusing ambiguous ones.

68 installs/wk local only

TruePeptideSource — questions

Answers built from our own checks of this server.

What can TruePeptideSource do?

It exposes 6 tools, read directly from the server on our last check. Among them: peptide_blend_calculator, peptide_compare, peptide_lookup, peptide_reconstitution_calculator, peptide_search, peptide_supply_calculator. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is TruePeptideSource working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 395 ms. The bar chart above shows every period we have measured.

How do I connect TruePeptideSource?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does TruePeptideSource need an API key?

No. TruePeptideSource completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 6 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is TruePeptideSource?

It answers our handshake in 395 ms on average, which is faster than 33% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.