chore: release

[nikomatsakis]

🤖 New release

• sacp-derive: 11.0.0-alpha.1
• sacp: 11.0.0-alpha.1
• sacp-tokio: 11.0.0-alpha.1
• sacp-trace-viewer: 11.0.0-alpha.1
• sacp-conductor: 11.0.0-alpha.1
• yopo: 11.0.0-alpha.1
• sacp-test: 11.0.0-alpha.1
• elizacp: 11.0.0-alpha.1 -> 11.0.0-alpha.2 (✓ API compatible changes)
• sacp-rmcp: 11.0.0-alpha.1
• sacp-cookbook: 11.0.0-alpha.1

Changelog

sacp-derive

11.0.0-alpha.1 - 2026-01-19

Added

• (sacp) add matches_method to JrMessage, change parse_message to return Result

Other

• upgrade to 11.0-alpha.1
• release
• (sacp) rename Jr* traits to JsonRpc* for clarity

sacp

11.0.0-alpha.1 - 2026-01-19

Added

• (sacp) introduce Role trait system
• (sacp) expose outgoing request id on JrResponse
• (sacp) parse responses in into_typed_message_cx
• (sacp) add matches_method to JrMessage, change parse_message to return Result
• (sacp) add if_response_to and if_ok_response_to to MatchMessageFrom
• (sacp) add if_response_to and if_ok_response_to to MatchMessage
• (sacp) route responses through handler chain
• (sacp) store method name with pending reply subscriptions
• (sacp) add Response variant to MessageCx

Fixed

• (sacp) revert accidental JrMessageHandler and JrRequestCx renames
• (conductor) handle Response variants in message forwarding

Other

• upgrade to 11.0-alpha.1
• release
• go back from connect_from to builder
• fix unresolved rustdoc link warnings for v11 API
• (sacp) [breaking] rename HandleMessageFrom to HandleDispatchFrom
• (sacp) [breaking] rename *_cx variables to descriptive names
• (sacp) [breaking] rename MessageCx to Dispatch for clearer semantics
• (sacp) update doctests for new Role-based API
• (sacp) [breaking] rename Serve to ConnectTo for clearer semantics
• (sacp) [breaking] replace JrLink/JrPeer with unified Role-based API
• (sacp) rename JrMessageHandler to HandleMessageFrom
• (sacp) rename JrConnectionBuilder to ConnectFrom
• (sacp) simplify spawn_connection API
• (sacp) rename context types for clarity
• (sacp) rename JrResponder ecosystem to Run
• (sacp) rename Jr* traits to JsonRpc* for clarity
• wip
• wip
• (sacp) use handle_incoming_message for response peer filtering
• (sacp) introduce JrResponseCx for incoming response handling
• (sacp) unify JrRequestCx send logic into send_fn

sacp-tokio

11.0.0-alpha.1 - 2026-01-19

Other

• upgrade to 11.0-alpha.1
• release
• go back from connect_from to builder
• fix unresolved rustdoc link warnings for v11 API
• (sacp) [breaking] rename *_cx variables to descriptive names
• (sacp) [breaking] rename MessageCx to Dispatch for clearer semantics
• (sacp) [breaking] rename Serve to ConnectTo for clearer semantics
• (sacp) [breaking] replace JrLink/JrPeer with unified Role-based API
• (sacp) rename JrConnectionBuilder to ConnectFrom
• (sacp) rename Jr* traits to JsonRpc* for clarity

sacp-trace-viewer

11.0.0-alpha.1 - 2026-01-19

Other

• upgrade to 11.0-alpha.1

sacp-conductor

11.0.0-alpha.1 - 2026-01-19

Added

• (conductor) infer response tracing direction from context
• (sacp) add Response variant to MessageCx

Fixed

• (sacp) revert accidental JrMessageHandler and JrRequestCx renames
• (conductor) normalize acp_url field in trace snapshot tests
• (conductor) handle Response variants in message forwarding
• (conductor) panic on Response in forwarding functions

Other

• upgrade to 11.0-alpha.1
• release
• go back from connect_from to builder
• fix unresolved rustdoc link warnings for v11 API
• (sacp) [breaking] rename HandleMessageFrom to HandleDispatchFrom
• (sacp) [breaking] rename *_cx variables to descriptive names
• (sacp) [breaking] rename MessageCx to Dispatch for clearer semantics
• (sacp) [breaking] rename Serve to ConnectTo for clearer semantics
• (sacp) [breaking] replace JrLink/JrPeer with unified Role-based API
• (sacp) rename JrMessageHandler to HandleMessageFrom
• (sacp) rename JrConnectionBuilder to ConnectFrom
• (sacp) simplify spawn_connection API
• (sacp) rename context types for clarity
• (sacp) rename JrResponder ecosystem to Run
• (sacp) rename Jr* traits to JsonRpc* for clarity
• get tracing working
• refactor tracing
• (conductor) simplify trace bridge API
• (conductor) move tracing to transport layer with bridge wrappers
• remove into_connection_builder
• add a test that shows a request going all the way back to the client
• (sacp-conductor) add trace snapshot for client-hosted MCP server
• (sacp-conductor) add trace snapshot test for agent-initiated MCP tool calls
• wip
• (sacp) introduce JrResponseCx for incoming response handling

yopo

11.0.0-alpha.1 - 2026-01-19

Other

• upgrade to 11.0-alpha.1
• release
• go back from connect_from to builder
• (sacp) [breaking] rename *_cx variables to descriptive names
• (sacp) [breaking] rename MessageCx to Dispatch for clearer semantics
• (sacp) [breaking] rename Serve to ConnectTo for clearer semantics
• (sacp) [breaking] replace JrLink/JrPeer with unified Role-based API
• (sacp) rename context types for clarity

sacp-test

11.0.0-alpha.1 - 2026-01-19

Added

• (sacp) add matches_method to JrMessage, change parse_message to return Result
• (elizacp) implement Eliza algorithm based on the original style
• (sacp) [breaking] require Send for JrMessageHandler with boxing witness macros
• [breaking] introduce role-based connection API
• [breaking] change JrMessage trait to take &self and require Clone
• (sacp-test) add mcp-echo-server binary for testing
• (sacp) add IntoHandled trait for flexible handler return types
• (sacp-test) add arrow proxy for testing

Fixed

• fix cargo.toml metadata, dang it

Other

• upgrade to 11.0-alpha.1
• release
• go back from connect_from to builder
• (sacp) [breaking] rename Serve to ConnectTo for clearer semantics
• (sacp) [breaking] replace JrLink/JrPeer with unified Role-based API
• (sacp) rename JrConnectionBuilder to ConnectFrom
• (sacp) rename Jr* traits to JsonRpc* for clarity
• wip
• release
• (sacp-test) release v10.0.0
• bump all crates to version 10.0.0
• (sacp-test) bump version to 10.0.0-alpha.4
• (sacp-test) bump version to 10.0.0-alpha.3
• release
• set version to 10.0.0-alpha.2
• release
• set all crate versions to 10.0.0-alpha.1
• release
• [breaking] split peer.rs into separate peer and link modules
• [breaking] update module and documentation references from role to peer
• [breaking] rename FooRole types to FooPeer
• [breaking] rename link endpoint types from Foo to FooRole
• [breaking] give component a link
• align all crate versions to 9.0.0
• release
• bump all crates to 8.0.0
• release
• bump all crates to version 7.0.0
• release
• (sacp-test) release v6.0.0
• set all crates to version 6.0.0
• release
• cleanup cargo metadata
• replace yolo_prompt with direct yopo::prompt calls
• (yopo) return sacp::Error instead of Box
• (sacp-test) use yopo library for test client implementation
• release version 1.0.0 for all crates (sacp-rmcp at 0.8.0)
• Revert to state before 1.0.0 release
• release version 1.0.0 for all crates
• (sacp) add Component::serve() and simplify channel API
• [breaking] make Component trait ergonomic with async fn and introduce DynComponent
• [breaking] make Component the primary trait with Transport as blanket impl
• cleanup and simplify some of the logic to avoid "indirection" through
• unify Transport and Component traits with BoxFuture-returning signatures
• create selective jsonrpcmsg re-export module
• replace jsonrpcmsg::Message with sacp::JsonRpcMessage throughout codebase
• Merge pull request cleanup and refactor the API #16 from nikomatsakis/main
• fix doctests for API refactoring
• wip wip wip
• [breaking] remove Unpin bounds and simplify transport API
• update all versions from 1.0.0-alpha to 1.0.0-alpha.1
• release v1.0.0-alpha
• (conductor) add integration test with arrow proxy and eliza
• (conductor) add integration test with arrow proxy and eliza
• rename sacp-doc-test to sacp-test

elizacp

11.0.0-alpha.2 - 2026-01-19

Fixed

• (sacp) revert accidental JrMessageHandler and JrRequestCx renames

Other

• upgrade to 11.0-alpha.1
• release
• go back from connect_from to builder
• (sacp) [breaking] rename *_cx variables to descriptive names
• (sacp) [breaking] rename Serve to ConnectTo for clearer semantics
• (sacp) [breaking] replace JrLink/JrPeer with unified Role-based API
• (sacp) rename context types for clarity
• (sacp) rename Jr* traits to JsonRpc* for clarity

sacp-rmcp

11.0.0-alpha.1 - 2026-01-19

Other

• upgrade to 11.0-alpha.1
• release
• go back from connect_from to builder
• fix unresolved rustdoc link warnings for v11 API
• (sacp) [breaking] rename Serve to ConnectTo for clearer semantics
• (sacp) [breaking] replace JrLink/JrPeer with unified Role-based API
• (sacp) rename JrResponder ecosystem to Run

sacp-cookbook

11.0.0-alpha.1 - 2026-01-19

Other

• upgrade to 11.0-alpha.1
• release
• go back from connect_from to builder
• fix unresolved rustdoc link warnings for v11 API
• (sacp-cookbook) update cookbook examples for v11 Role-based API
• (sacp) [breaking] rename HandleMessageFrom to HandleDispatchFrom
• (sacp) [breaking] rename *_cx variables to descriptive names
• (sacp) [breaking] rename MessageCx to Dispatch for clearer semantics
• (sacp) [breaking] rename Serve to ConnectTo for clearer semantics
• (sacp) [breaking] replace JrLink/JrPeer with unified Role-based API
• (sacp) rename JrMessageHandler to HandleMessageFrom
• (sacp) rename JrConnectionBuilder to ConnectFrom
• (sacp) simplify spawn_connection API
• (sacp) rename context types for clarity
• (sacp) rename JrResponder ecosystem to Run

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This PR was generated with release-plz.

[codefromthecrypt]

can you update to latest rmcp in your next alpha? helps to not have split versions in goose https://github.com/modelcontextprotocol/rust-sdk/releases/tag/rmcp-v0.13.0