chore: release v0.3.0 (#307)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Cargo.toml

@@ -5,12 +5,12 @@ members = ["crates/rmcp", "crates/rmcp-macros", "examples/*"]
 resolver = "2"
 
 [workspace.dependencies]
-rmcp = { version = "0.2.1", path = "./crates/rmcp" }
+rmcp = { version = "0.3.0", path = "./crates/rmcp" }
-rmcp-macros = { version = "0.2.1", path = "./crates/rmcp-macros" }
+rmcp-macros = { version = "0.3.0", path = "./crates/rmcp-macros" }
 
 [workspace.package]
 edition = "2024"
-version = "0.2.1"
+version = "0.3.0"
 authors = ["4t145 <u4t145@163.com>"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/modelcontextprotocol/rust-sdk/"

crates/rmcp-macros/CHANGELOG.md

@@ -7,6 +7,16 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-macros-v0.2.1...rmcp-macros-v0.3.0) - 2025-07-15
+
+### Added
+
+- unified error type ([#308](https://github.com/modelcontextprotocol/rust-sdk/pull/308))
+
+### Other
+
+- *(deps)* update darling requirement from 0.20 to 0.21 ([#318](https://github.com/modelcontextprotocol/rust-sdk/pull/318))
+
 ## [0.2.1](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-macros-v0.2.0...rmcp-macros-v0.2.1) - 2025-07-03
 
 ### Other

crates/rmcp/CHANGELOG.md

@@ -7,6 +7,19 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [0.3.0](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.2.1...rmcp-v0.3.0) - 2025-07-15
+
+### Added
+
+- unified error type ([#308](https://github.com/modelcontextprotocol/rust-sdk/pull/308))
+- *(transport)* add builder & expose child stderr ([#305](https://github.com/modelcontextprotocol/rust-sdk/pull/305))
+
+### Other
+
+- *(deps)* update schemars requirement from 0.8 to 1.0 ([#258](https://github.com/modelcontextprotocol/rust-sdk/pull/258))
+- *(rmcp)* bump rmcp-macros version to match ([#311](https://github.com/modelcontextprotocol/rust-sdk/pull/311))
+- fix packages used for server example ([#309](https://github.com/modelcontextprotocol/rust-sdk/pull/309))
+
 ## [0.2.1](https://github.com/modelcontextprotocol/rust-sdk/compare/rmcp-v0.2.0...rmcp-v0.2.1) - 2025-07-03
 
 ### Other