Installation

⚠️ Artifact versioning plan: Releases of this implementation track releases of the reference implementation. For each release of the reference implementation, there may follow a corresponding release of this implementation with the same number as the reference implementation. Release identifiers of the reference implementation are in the form vMaj.Min.Micro. For example v0.1.32. The corresponding maven version for the release will be Maj.Min.Micro-java.N, where Maj, Min and Micro are the corresponding numbers for the reference implementation release, and N is a monotonically increasing sequence number starting with 0 for each release. See the corresponding architectural decision record for more information in the docs/adr directory of the source code.

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📖 [Documentation]((github.github.io/redacted) · [Javadoc]((github.github.io/redacted)

Maven

:::xml
<dependency>
    <groupId>com.github</groupId>
    <artifactId>copilot-sdk-java</artifactId>
    <version>1.0.6</version>
</dependency>

Gradle (Kotlin DSL)

:::kotlin
implementation("com.github:copilot-sdk-java:1.0.6")

Gradle (Groovy DSL)

:::groovy
implementation 'com.github:copilot-sdk-java:1.0.6'

Feature: inline lambda tool definitions

Developers can now define tools directly at the call site using ToolDefinition.from(...) with typed lambda handlers and Param.of(...) parameter metadata — no separate annotated class required. Async variants (fromAsync) and ToolInvocation context injection (fromWithToolInvocation) are also available. (#1895)

:::java
ToolDefinition greet = ToolDefinition.from(
    "greet", "Greets a user by name",
    Param.of(String.class, "name", "The user's name"),
    name -> "Hello, " + name + "!");

Other changes

• bugfix: [Java] preserve explicit null map values in JSON-RPC params so user setting clears reach the CLI (#1906)
• feature: [Java] add experimental onGitHubTelemetry callback on CopilotClientOptions for receiving forwarded GitHub telemetry events (#1835)

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