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fix(server): Claude Plan mode runs t3_background_wait without asking #34343

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Merged
maria-rcks merged 2 commits into from
Nov 11, 2026
+8 −1
Merged

fix(server): Claude Plan mode runs t3_background_wait without asking #34343

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83da712
fix(server): Claude Plan mode runs t3_background_wait without asking
Nov 11, 2026
8ea1424
Merge remote-tracking branch 'origin/main' into fix/background-wait-p…
juliusmarminge Nov 11, 2026
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6 changes: 5 additions & 1 deletion apps/server/src/mcp/toolkits/orchestrator/tools.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -154,7 +154,11 @@ const BackgroundWaitTool = Tool.make("t3_background_wait", {
failure: OrchestratorMcpFailure,
failureMode: "return",
dependencies,
}).annotate(Tool.Title, "Wait on background work");
})
.annotate(Tool.Title, "Wait on background work")
// Only marks which tasks keep the thread Working; Claude Plan mode blocks tools without this.
.annotate(Tool.Readonly, true)
.annotate(Tool.Destructive, false);

const ScheduleTaskTool = Tool.make("schedule_task", {
description:
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2 changes: 2 additions & 0 deletions apps/server/src/orchestration-v2/Adapters/ClaudeAdapterV2.test.ts
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Expand Up @@ -610,6 +610,8 @@ describe("ClaudeAdapterV2 MCP query overrides", () => {
.map((tool) => `mcp__t3-code__${tool.name}`)
.sort();

// regression: #32022 Claude Plan mode asks before every non-read-only MCP call
assert.include(readOnlyToolNames, "mcp__t3-code__t3_background_wait");
assert.deepEqual(
[...ClaudeAdapterV2.CLAUDE_READ_ONLY_T3_MCP_ALLOWED_TOOLS].sort(),
readOnlyToolNames,
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1 change: 1 addition & 0 deletions apps/server/src/orchestration-v2/Adapters/ClaudeAdapterV2.ts
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Expand Up @@ -1995,6 +1995,7 @@ export const CLAUDE_T3_MCP_TOOL_WILDCARD = "mcp__t3-code__*";
export const CLAUDE_READ_ONLY_T3_MCP_ALLOWED_TOOLS: ReadonlyArray<string> = [
"mcp__t3-code__orchestrator_capabilities",
"mcp__t3-code__list_scheduled_tasks",
"mcp__t3-code__t3_background_wait",
"mcp__t3-code__t3_thread_list",
"mcp__t3-code__t3_thread_wait",
"mcp__t3-code__t3_worktree_status",
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