feat(server): agent-callable rename of the current thread - #12114
yoelrosenthal wants to merge 5 commits into
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Included review availability: Your plan provides up to 10 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughThe MCP server adds a ChangesThread rename
Priority: ➖ Normal Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Feature · Severity of issue fixed: Medium Suggested reviewers: Sequence Diagram(s)sequenceDiagram
participant Agent
participant rename_thread
participant McpInvocationContext
participant OrchestrationEngineService
participant ClientWorkLog
Agent->>rename_thread: invoke with title
rename_thread->>McpInvocationContext: read current threadId
rename_thread->>OrchestrationEngineService: dispatch thread.meta.update
OrchestrationEngineService-->>rename_thread: return sequence
rename_thread-->>Agent: return trimmed title
ClientWorkLog->>ClientWorkLog: render rename_thread status labels
Merge Risk: ⚪ Minimal · up to The new rename tool targets the current thread and persists the supplied trimmed title through the established rename path. No actionable merge-blocking risk remains. 🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches🧪 Generate unit tests (beta)
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ApprovabilityVerdict: Not approved Macroscope's review found this PR not approvable — This PR introduces and enables a new agent-callable MCP capability that persists thread metadata and affects synchronization and automatic title behavior. The implementation is focused and tested, but the default production tool surface and user-facing behavior are changing. You can add or adjust custom eligibility rules. Learn more. |
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I tried to follow the approach suggested in #11968 and reuse the existing rename behavior. |
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In `@apps/server/src/mcp/toolkits/thread.ts`:
- Line 42: Update the thread toolkit flow around thread.meta.update and its
Effect.orDie usage so expected OrchestrationDispatchError failures are mapped to
the established thread MCP tool error type, preserving the McpServer.toolkit
typed-failure serialization path. Follow the existing pull-request handler
pattern and do not convert these dispatch failures into defects.
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apps/server/src/mcp/McpHttpServer.test.tsapps/server/src/mcp/McpHttpServer.tsapps/server/src/mcp/toolkits/thread.tsdocs/user/thread-sidebar.mdpackages/client-runtime/src/work-log/presentation.test.tspackages/client-runtime/src/work-log/presentation.ts
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- packages/client-runtime/src/work-log/presentation.test.ts
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Match the other MCP toolkits, which map service failures into a tagged error instead of dying, so the agent sees a clear message. Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
…rent-thread # Conflicts: # docs/user/thread-sidebar.md
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Thanks for the PR. We're not taking changes to the orchestration and provider layers right now: that part of the server is being rewritten for V2, and merging into the current code would either conflict with or be thrown away by that work. Closing for now. If this is still an issue once V2 lands, please reopen (or open a fresh PR against the new code) and we'll take a proper look. |
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Summary
Users and skills may follow a naming convention, such as a ClickUp or Linear task ID followed by a short description. Agents already know these details, but users still have to rename the thread manually.
This adds
rename_thread(title), an MCP tool that lets an agent rename its current thread when instructed by the user or a skill. For example, a "Pick next task" skill can set the title toCU-869y9uv0 change the button to green.The tool uses the existing
thread.meta.updatecommand, so the title is saved as manual, syncs across clients, and is protected from automatic title generation. It accepts a trimmed, non-empty title and uses the existing MCP registration shared by all providers.Fixes #11968.
Related PR
I'm aware that #12018 also addresses this issue as part of a broader thread-metadata tool. This PR offers a small, focused implementation of just the current-thread rename request. I thought it was worth submitting that option separately, but please feel free to close it if the broader PR makes it unnecessary.
Verification
McpHttpServer.test.ts, also reproduced on the unchanged base commit.Implemented with OpenAI GPT-6-Astra and Fable 5.1.
Summary by CodeRabbit
New Features
Documentation