# RCO Dosidal

> Receipts: every read leaves a signed receipt on one chain; verify any receipt without a credential.

Dosidal is a product record. It identifies a medicine and its regulatory status. It does not advise on use.
Read-only product record: no sign-in, no account, no purchase.

## MCP
- Endpoint: https://mcp.rco-dosidal.ai/mcp (streamable HTTP, no credential)
- Server card: https://rco-dosidal.ai/.well-known/mcp.json
- Agent card: https://rco-dosidal.ai/.well-known/agent-card.json
- Discovery: https://rco-dosidal.ai/.well-known/poppy.json

## Tools
- verify_receipt: Verify a receipt: signature, hash, place on the chain and, if the answer is given, the answer hash. No credential.
- get_receipt: Read one receipt by id or by sequence number.
- list_receipts: The receipt chain after a sequence number.
- get_chain_head: The latest receipt's sequence number and hash.

## Web API
- https://dosidal-api.ai: the same resolver and record lookups over plain HTTPS and JSON (OpenAPI https://dosidal-api.ai/openapi.json)

## Contact
- https://dosidal.ai/contact (contact form)

## The Dosidal doors
- https://mcp.dosidal.ai/mcp: The hub: words in, the exact pack out, with proof. The signed record of a prescription medicine by market, its history and its change feed.
- https://mcp.dosidal-api.ai/mcp: The plain web API for Dosidal: the same resolver and record lookups as the MCP, over HTTPS and JSON, for clients that do not speak MCP.
- https://mcp.dosidal-gtin.ai/mcp: Pack product codes: the presentation records a GTIN anchors, by market.
- https://mcp.dosidal-registry.ai/mcp: The registry: the markets served, their record counts and manifest hashes, and the keyring.
- https://mcp.rco-dosidal.ai/mcp: Receipts: every read leaves a signed receipt on one chain; verify any receipt without a credential.

Every answer carries a receipt signed with the RCO key; records are signed with the record key (ES256, JCS). Keyring: https://dosidal-registry.ai/.well-known/jwks.json

Artificial intelligence makes mistakes. Read the regulator.
© 2027 Dosidal AI Corp. Contact: https://dosidal.ai/contact