Pete Hopkins has released the amusingly-christened CapnRPC, an XML-RPC implementation for PLT Scheme implementations MzScheme and MrEd.

CapnRPC provides a simple interface:

> (define srv (xml-rpc-server "betty.userland.com" 80 "/RPC2"))
> (define getStateName (srv "examples.getStateName"))
> (getStateName 41)
"South Dakota"
    

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