Implement MCP on the server side #6492
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Motivation:
We can easily implement other protocols such as MCP on top of
`JsonRpcService` by adding SSE support.
Modifications:
- Reorganized JSON-RPC message data types so that `JsonRpcHandler`
can handle `JsonRpcResponse` and `JsonRpcNotifcation`.
- Introduced `JsonRpcMessage` as the root interface of JSON-RPC
messages.
- `JsonRpcStreamableResponse` is newly added to allow writing multiple
JSON-RPC messages before emitting a final response.
- The streamable response is converted to SSE by `JsonRpcService`.
- `JsonRpcExceptionHandler` is added to recover an exception into a
`JsonRpcResponse`.
- Renamed `JsonRpcHandler` into `JsonRpcMehtodHandler` and the orignal
interface is used as a global handler to process any JSON-RPC
messages.
- `JsonRpcStatusFunction` maps a `JsonRpcError` into an HTTP status.
Result:
- Several handlers have been added to customize the behavior of JsonRpcService.
- You can now stream JSON-RPC messages over server-sent events.
Contributor
Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## json-rpc #6492 +/- ##
===========================================
Coverage ? 74.12%
Complexity ? 23252
===========================================
Files ? 2091
Lines ? 87051
Branches ? 11426
===========================================
Hits ? 64528
Misses ? 17050
Partials ? 5473 ☔ View full report in Codecov by Sentry. 🚀 New features to boost your workflow:
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Motivation:
Implemented only the transport layer using the official Java SDK for MCP.
https://github.com/modelcontextprotocol/java-sdk
Modifications:
TBU
Result:
TBU