v0.4.9

Fix schema publish

Full Changelog: v0.4.8...v0.4.9

v0.4.8

Fix publishing

Full Changelog: v0.4.7...v0.4.8

v0.4.7

Protocol

• Schema uploaded to GitHub releases

Rust

• SDK has moved to https://github.com/agentclientprotocol/rust-sdk
• Start publishing schema types to crates.io: https://crates.io/crates/agent-client-protocol-schema

Full Changelog: v0.4.6...v0.4.7

v0.4.6

0.4.6 (2025-10-10)

Protocol

• No changes

Rust

• Fix: support all valid JSON-RPC ids (int, string, null) by @benbrandt in #142

New Contributors

• @vinhnx made their first contribution in #130
• @matifali made their first contribution in #134
• @morgankrey made their first contribution in #136

Full Changelog: v0.4.5...v0.4.6

v0.4.5

Protocol

• No changes

Typescript

• Unstable initial support for model selection.by @benbrandt in #126

Full Changelog: v0.4.4...v0.4.5

v0.4.4

Protocol

• No changes

Rust

• Provide default trait implementations for optional capability-based Agent and Client methods.

Typescript

• Correctly mark capability-based Agent and Client methods as optional.

Full Changelog: v0.4.3...v0.4.4

v0.4.3

Protocol

• Defined Resource not found error type as code -32002 (same as MCP)

Rust

• impl Agent and Client for Rc<T> and Arc<T> where T implements either trait.

New Contributors

• @alexhancock made their first contribution in #112

Full Changelog: v0.4.2...v0.4.3

v0.4.2

0.4.2 (2025-09-22)

Rust

Unstable fix missing method for model selection in Rust library.

Full Changelog: v0.4.1...v0.4.2

v0.4.1

Protocol

Unstable initial support for model selection. #103 #105

Full Changelog: v0.4.0...v0.4.1

v0.4.0

Protocol

No changes.

Rust Library

• Make Agent and Client dyn compatible (you'll need to annotate them with #[async_trait]) #97
• ext_method and ext_notification methods are now more consistent with the other trait methods #95
  • There are also distinct types for ExtRequest, ExtResponse, and ExtNotification
• Rexport serde_json::RawValue for easier use #95

Typescript Library

• Use Stream abstraction instead of raw byte streams #93
  • Makes it easier to use with websockets instead of stdio
• Improve type safety for method map helpers #94

Full Changelog: v0.3.1...v0.4.0