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Demand-side commerce protocol: agents express purchase intent, get ranked supply matches.
About
Demand-side commerce protocol: agents express purchase intent, get ranked supply matches.
Remote endpoints: streamable-http: https://iwant.fyi/api/mcp
Security Report
10.0
Low Risk10.0Low RiskValid MCP server (1 strong, 1 medium validity signals). No known CVEs in dependencies. Imported from the Official MCP Registry.
Endpoint verified · Open access · No issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
How to Connect
Remote Plugin
No local installation needed. Your AI client connects to the remote endpoint directly.
Add this to your MCP configuration to connect:
{
"mcpServers": {
"fyi-iwant-iwant": {
"url": "https://iwant.fyi/api/mcp"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
iwant.fyi demand-side protocol
The iwant.fyi demand-side protocol defines how AI agents express structured purchase intent on behalf of users, receive matched supply across multiple sources, and report outcomes back. It is MCP-native, transport-flexible, and intentionally agnostic about who matches the demand, who fulfills it, and how money moves.
Why
Existing agentic commerce protocols are supply-side: ACP and UCP define how an agent completes a purchase at a merchant; AP2 handles payment authorization; MCP is general tool/data access. None of them defines how an agent expresses what its user wants in a structured, machine-matchable form, or how that demand persists across sessions and gets fulfilled across multiple sources.
The iwant.fyi demand-side protocol fills that gap.
Spec
- v1.0 (Draft) — Current
Read it rendered with anchors at iwant.fyi/protocol/v1.
Reference implementation
iwant.fyi — https://iwant.fyi/api/mcp
The iwant.fyi MCP server is the reference implementation. It advertises spec conformance and is the canonical surface to test against.
Official SDKs (all Apache 2.0)
| Framework | Package | Repo |
|---|---|---|
| TypeScript / generic | @iwantfyi/sdk | staugs/iwantfyi-sdk |
| LangChain (Python) | iwantfyi-langchain | staugs/iwantfyi-langchain |
| Composio (Python) | iwantfyi-composio | staugs/iwantfyi-composio |
| CrewAI (Python) | iwantfyi-crewai | staugs/iwantfyi-crewai |
Three open-source example agents at staugs/iwantfyi-examples.
Status
v1.0 is published as a draft for public comment. Feedback, issues, and proposed extensions are welcome via GitHub issues or directly to hi@iwant.fyi.
License
The specification is published under the Apache License 2.0. Implementations are not required to be open source.
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