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Java: Implement `@CopilotTool` ergonomics#1792

Merged

edburns merged 38 commits into

maingithub/copilot-sdk:mainfrom

edburns/1682-java-tool-ergonomics-review-draft-01github/copilot-sdk:edburns/1682-java-tool-ergonomics-review-draft-01Copy head branch name to clipboard

Jun 26, 2026

Conversation Commits38 (38)Checks Files changed

Merged

Java: Implement `@CopilotTool` ergonomics#1792
edburns merged 38 commits into
mainfrom
edburns/1682-java-tool-ergonomics-review-draft-01

Commits

Commits on Jun 25, 2026

Resume 1682 iterating
edburns
committed
Phase 03 answer questions
edburns
committed
On branch edburns/1682-java-tool-ergonomics
edburns
committed
WIP: Phase 3. Question 3.4
edburns
committed
WIP: Phase 3. Question 3.6
edburns
committed
WIP: Phase 3. Question 3.6: Answer
edburns
committed
Answer 3.7
edburns
committed
Resolve 3.8
edburns
committed
Initial plan

Copilot
authored and
edburns
committed
feat(java): create @CopilotTool and @Param annotations with tests

Copilot
authored and
edburns
committed
spotless
edburns
committed
fix(java): make ToolDefer.NONE serialize as null to prevent wire leak
edburns
committed
WIP Phase 4.1
edburns
committed
feat(java): create @CopilotTool and @Param annotations (#1763)

Copilot
and
edburns
committed
Initial plan

Copilot
authored and
edburns
committed
feat(java): add SchemaGenerator compile-time type-to-JSON-Schema utility (#1766)

Copilot
and
edburns
committed
WIP 4.3
edburns
committed
feat(java): Add CopilotToolProcessor annotation processor (task 4.3) (#1777)

Copilot
and
edburns
committed
Give us this day our daily prompts
edburns
committed
feat(java): Add ToolDefinition.fromObject() and fromClass() registration API (#1779)

Copilot
and
edburns
committed
Give us this day our daily prompts
edburns
committed
Add E2E integration test for ergonomic @CopilotTool + ToolDefinition.fromObject() API (#1787)

Copilot
and
edburns
committed
Give us this day our daily prompts
edburns
committed
Remove before merge
edburns
committed
Remove unused parameters flagged by CodeQL
edburns
committed
Update ergonomic_tool_definition snapshot to match searchItems output
edburns
committed
Generate qualified class name for static @CopilotTool method calls
edburns
committed
Add JSON Schema format hints for all java.time types
edburns
committed
Fix Optional parameter extraction in generated tool code
edburns
committed
Fix Java tool-processor test generation and stabilize session-id test (#1799)

committed
On branch edburns/1682-java-tool-ergonomics-review-draft-01
edburns
committed

Commits on Jun 26, 2026

Reject optional primitive @Param without default

edburns
and
Copilot
committed
Fix single-record tool schema and binding alignment

edburns
and
Copilot
committed
Preserve generic param types in generated tool binding

edburns
and
Copilot
committed
Add array parameter compile failure regression test

edburns
and
Copilot
committed
Assert array parameters compile with TypeReference

edburns
and
Copilot
committed
Reject mismatched numeric defaults for integral params

edburns
and
Copilot
committed
spotless
edburns
committed

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