From 2f22a435906ae65e9432b7e17e64a1ec9a153035 Mon Sep 17 00:00:00 2001
From: Matt Aitken <matt@mattaitken.com>
Date: Tue, 4 Nov 2025 18:56:43 -0800
Subject: [PATCH] Fix for the MCP tool that gets logs for debugging runs

This was broken when we changed the data on the backend that returns
log/span data from runs. We changed the data structured and the internal
API that the MCP client uses was failing to parse with the Zod schema
---
 .changeset/fuzzy-wolves-repeat.md     | 5 +++++
 packages/cli-v3/src/mcp/formatters.ts | 2 +-
 packages/core/src/v3/schemas/api.ts   | 5 ++---
 3 files changed, 8 insertions(+), 4 deletions(-)
 create mode 100644 .changeset/fuzzy-wolves-repeat.md

diff --git a/.changeset/fuzzy-wolves-repeat.md b/.changeset/fuzzy-wolves-repeat.md
new file mode 100644
index 0000000000..e9133636a3
--- /dev/null
+++ b/.changeset/fuzzy-wolves-repeat.md
@@ -0,0 +1,5 @@
+---
+"trigger.dev": patch
+---
+
+Fix for the MCP tool that gets run logs to help debugging
diff --git a/packages/cli-v3/src/mcp/formatters.ts b/packages/cli-v3/src/mcp/formatters.ts
index a16f947a73..eee9ccf18f 100644
--- a/packages/cli-v3/src/mcp/formatters.ts
+++ b/packages/cli-v3/src/mcp/formatters.ts
@@ -238,7 +238,7 @@ function formatSpan(
   const duration = formatDuration(span.data.duration);
   const startTime = formatDateTime(span.data.startTime);
 
-  lines.push(`${indent}${prefix} ${span.message} ${statusIndicator}`);
+  lines.push(`${indent}${prefix} ${span.data.message} ${statusIndicator}`);
   lines.push(`${indent}   Duration: ${duration}`);
   lines.push(`${indent}   Started: ${startTime}`);
 
diff --git a/packages/core/src/v3/schemas/api.ts b/packages/core/src/v3/schemas/api.ts
index b018b2a4a8..b372ed5fa5 100644
--- a/packages/core/src/v3/schemas/api.ts
+++ b/packages/core/src/v3/schemas/api.ts
@@ -1267,9 +1267,9 @@ export type ApiBranchListResponseBody = z.infer<typeof ApiBranchListResponseBody
 export const RetrieveRunTraceSpanSchema = z.object({
   id: z.string(),
   parentId: z.string().optional(),
-  message: z.string(),
+  runId: z.string(),
   data: z.object({
-    runId: z.string(),
+    message: z.string(),
     taskSlug: z.string().optional(),
     taskPath: z.string().optional(),
     events: z.array(z.any()).optional(),
@@ -1279,7 +1279,6 @@ export const RetrieveRunTraceSpanSchema = z.object({
     isPartial: z.boolean(),
     isCancelled: z.boolean(),
     level: z.string(),
-    environmentType: z.string(),
     workerVersion: z.string().optional(),
     queueName: z.string().optional(),
     machinePreset: z.string().optional(),