fix(mcp): child workflow with response block returns error (#3114)

icecrasher321 · web-flow · commit c286f3ed243c · 2026-02-02T09:30:35.000-08:00
diff --git a/apps/sim/app/api/mcp/serve/[serverId]/route.ts b/apps/sim/app/api/mcp/serve/[serverId]/route.ts
@@ -284,7 +284,7 @@ async function handleToolsCall(
       content: [
         { type: 'text', text: JSON.stringify(executeResult.output || executeResult, null, 2) },
       ],
-      isError: !executeResult.success,
+      isError: executeResult.success === false,
     }
 
     return NextResponse.json(createResponse(id, result))

Original file line number	Diff line number	Diff line change
`@@ -284,7 +284,7 @@ async function handleToolsCall(`
`284`	`284`	`content: [`
`285`	`285`	`{ type: 'text', text: JSON.stringify(executeResult.output \|\| executeResult, null, 2) },`
`286`	`286`	`],`
`287`		`- isError: !executeResult.success,`
	`287`	`+ isError: executeResult.success === false,`
`288`	`288`	`}`
`289`	`289`
`290`	`290`	`return NextResponse.json(createResponse(id, result))`