MCP server

A2A Peptides Official

io.github.A2A-Peptides/a2a-peptides

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for peptides.

Website Source

At a glance

Type

MCP server

Publisher

a2a-peptides.ai (verified by the MCP Registry)

Status

Working at last check

Tools

20

Token cost

About 2,879 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http a2a-peptides https://mcp.a2a-peptides.ai/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.a2a-peptides]
url = "https://mcp.a2a-peptides.ai/mcp"

Gemini CLI

{"mcpServers":{"a2a-peptides":{"httpUrl":"https://mcp.a2a-peptides.ai/mcp"}}}

Cursor

{"mcpServers":{"a2a-peptides":{"url":"https://mcp.a2a-peptides.ai/mcp"}}}

VS Code

{"servers":{"a2a-peptides":{"type":"http","url":"https://mcp.a2a-peptides.ai/mcp"}}}

Antigravity

agy mcp add a2a-peptides https://mcp.a2a-peptides.ai/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"a2a-peptides","server_url":"https://mcp.a2a-peptides.ai/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"a2a-peptides","server_url":"https://mcp.a2a-peptides.ai/mcp"}

Tools

• a2a_handoff ~242 tokens
  Hand off over Agent-to-Agent (A2A). With an allow/require_rx decision: the order intent goes to the licensed counterparty's agent (envelope + card URL). With a deny for a patient, the public or an unauthorized actor: returns real licensed destinations from the provider directory (dispensers, prescri
• compare_presentations ~99 tokens
  Compare two or more authorised presentations side by side (ids as for get_item).
• create_order_intent Moves money · ~154 tokens
  Create an order intent for a cleared item after the gate; the intent carries reason_code + rule_set_version and settles by x402 on peptides-x402.ai.
• find_licensed_supplier ~140 tokens
  Licensed parties for a presentation in a jurisdiction (tenant as a parameter). Takes the decision_id of an allow or require_rx decision from gate_transaction.
• gate_transaction ~212 tokens
  The gate: allow, deny or require_rx for a substance (name, INN or unii:), a pathway (licensed_medicine · lawful_compounding · cosmetic · food_or_supplement · ruo_not_cleared), an actor class, a channel and a ship-to. Returns a frozen reason code, the rule-set version, the source page and a decision_
• get_availability ~198 tokens
  Availability of a presentation once gate_transaction has answered allow or require_rx (decision_id): the availability block — banners[] on the shelf of record with licence footnote, pos_count (chain points of sale from the CPG Knowledge Graph retailer registry, or licensed dispensers on the provider
• get_compounding_eligibility ~106 tokens
  Whether a substance may be lawfully compounded in a jurisdiction and under which list or standard (503A/503B, provincial, magistral, Specials), from the register.
• get_enforcement_watch ~144 tokens
  Dated, URL'd enforcement events for a substance or jurisdiction: warning letters, import alerts, shortage-list changes, committee votes, proposed and final rules, seizures, state notices.
• get_item ~189 tokens
  Product record from gtinfetch.ai (signed); hub layer: seat, market, claim, price, availability. One authorised presentation by id (US package NDC, CA DIN, EU EMA number, KR MFDS item seq, CH Swissmedic authorisation/pack code, JP approved-list entry, or the catalogue id): brand, strength, form, rout
• get_label_and_indication ~78 tokens
  Label and indication pointers for a licensed presentation only (US package NDC, CA DIN, EU EMA number).
• get_lot_coa ~97 tokens
  Certificate of analysis for a lawful lot of a presentation, where the pathway permits (decision_id required).
• get_pathway_status ~106 tokens
  The status of a substance on one pathway in one jurisdiction (frozen vocabulary), with effective date, rule-set version and source page.
• get_price ~116 tokens
  Price basis (list · contract · reimbursement) from a licensed party, once gate_transaction has answered allow or require_rx (decision_id).
• get_safety_label ~88 tokens
  Safety label pointers for licensed products (label page and the pharmacovigilance scheme of the jurisdiction).
• get_substance_record ~101 tokens
  One molecule: identifiers (INN, UNII, CAS, sequence hash), sourced aliases, class, one pathway row per jurisdiction × pathway, enforcement events, safety references. Every field carries its source page.
• log_audit ~94 tokens
  Write the audit line for a gate decision or an order intent (returns the line id).
• resolve_actor ~198 tokens
  Resolve the actor class and channel. Classes: authorized_trading_partner and its members (manufacturer · repackager · wholesale_distributor · dispenser · third_party_logistics_provider; cosmetic_responsible_person · nhp_licence_holder on the non-drug pathways), prescriber, the referral classes patie
• resolve_jurisdiction ~145 tokens
  Resolve a ship-to (e.g. 'US-CA', 'CA-ON', 'MX', 'EU-DE', 'UK', 'KR', 'JP', 'SG', 'CH') to the gate's jurisdiction (US · CA · MX · EU · UK · KR · JP · SG · CH; UK is the jurisdiction name; the ISO 3166-1 code is accepted as input, machine fields carry the ISO code and jurisdiction_label carries UK),
• search_cleared_items ~223 tokens
  Presentations that passed the gate for a jurisdiction, pathway and actor class (a query by substance, brand or holder; optional banner filter on the shelf of record). Only cleared statuses are returned; every item carries its availability block (banners, pos_count, product_urls).
• verify_serialization ~149 tokens
  Verify a serialised pack (GTIN + serial + lot + expiry) against the serialisation regime of the jurisdiction (DSCSA · FMD · UK · KR; none-national elsewhere).

Browse

• GitHub tools
• Presentations
• GitHub and code hosting
• Memory for agents
• Health and medicine

Related MCP servers

• Peptide Library
  Peptide research profiles, evidence by tier, comparisons and educational content. No dosing.
• PepEvolution Peptide Sources
  Find where to buy peptides from vetted, COA-tested vendors and check if a peptide vendor is legit.
• Nullary
  Negative results intelligence for drug discovery — query measured failures via MCP.
• TruePeptideSource
  Peptide reference and exact math: reconstitution units, blends, supply, dose ranges by origin.
• Peptlas: is this peptide legal?
  Legal status of peptides and GLP-1 drugs in the US, UK, EU, Australia, Canada, Brazil and sport.
• Peptideclinic
  Find a licensed peptide clinic, in person or by telehealth.
• Jean — Molecular Biology & Genomics
  Validated molecular biology tools: cloning, primers, CRISPR, Sanger, alignment, qPCR, phylogenetics
• Peptul
  Live research peptide prices, price history, vendor trust records and a reconstitution calculator.

Badge for your README

[![AptLynx](https://aptlynx.net/badge/io.github.A2A-Peptides/a2a-peptides.svg)](https://aptlynx.net/servers/io.github.A2A-Peptides/a2a-peptides)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents