# Peptides Registry

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

AI agents for authorized trading partners. Not marketing. Not advertising.

The registry of the A2A Peptides family: the status table as a product. One substance record per molecule and one presentation record per authorised presentation, every field with its source page, its reader and its state, signed and resolvable. The truth tools are metered by x402.

Notice: Artificial intelligence makes mistakes. A2A Peptides is an information source, not a recommendation. Rules differ by jurisdiction — refer to the regulator in your jurisdiction for the information that applies to you.

Operator: GreenCore Solutions Corp. · Surface: https://peptides-registry.ai · version 0.2.0 · as of 2026-09-17 · family hub https://a2a-peptides.ai

## Resources

- https://peptides-registry.ai/records/index.json — Index of signed substance records
- https://peptides-registry.ai/records/substance/{unii}.json — Signed substance record by UNII
- https://peptides-registry.ai/.well-known/agent-card.json — signed Agent Card
- https://peptides-registry.ai/.well-known/jwks.json — keyring (kid a2ap-2026-09)
- https://mcp.a2a-peptides.ai/mcp — the family's MCP door