diff --git a/vibn-agent-runner/dist/agent-session-runner.js b/vibn-agent-runner/dist/agent-session-runner.js
index c993398..86ff150 100644
--- a/vibn-agent-runner/dist/agent-session-runner.js
+++ b/vibn-agent-runner/dist/agent-session-runner.js
@@ -339,8 +339,22 @@ async function runSingleSubTask(task, config, ctx, opts, emit) {
     const path = require("path");
     const fs = require("fs");
     const basePrompt = (0, loader_1.resolvePrompt)(config.promptId);
+    let devServersContext = "No active dev servers running on port 3000.";
+    try {
+        const listResult = await (0, tools_1.executeTool)("dev_server_list", { projectId: opts.projectId }, ctx);
+        if (Array.isArray(listResult) && listResult.length > 0) {
+            devServersContext = listResult
+                .map((s) => `- Port ${s.port} (${s.state}): ${s.command} -> Preview URL: ${s.previewUrl}`)
+                .join("\n");
+        }
+    }
+    catch { }
     const scopedPrompt = `${basePrompt}
 
+## ACTIVE DEVELOPER WORKSPACE STATE
+Active Dev Servers:
+${devServersContext}
+
 ## ACTIVE SUBTASK OBJECTIVE
 You are working on a single task in your task queue:
 TASK: "${task.text}"
diff --git a/vibn-agent-runner/src/agent-session-runner.ts b/vibn-agent-runner/src/agent-session-runner.ts
index 1011da6..d25e762 100644
--- a/vibn-agent-runner/src/agent-session-runner.ts
+++ b/vibn-agent-runner/src/agent-session-runner.ts
@@ -456,8 +456,29 @@ async function runSingleSubTask(
   const fs = require("fs") as typeof import("fs");
   const basePrompt = resolvePrompt(config.promptId);
 
+  let devServersContext = "No active dev servers running on port 3000.";
+  try {
+    const listResult = await executeTool(
+      "dev_server_list",
+      { projectId: opts.projectId },
+      ctx,
+    );
+    if (Array.isArray(listResult) && listResult.length > 0) {
+      devServersContext = listResult
+        .map(
+          (s: any) =>
+            `- Port ${s.port} (${s.state}): ${s.command} -> Preview URL: ${s.previewUrl}`,
+        )
+        .join("\n");
+    }
+  } catch {}
+
   const scopedPrompt = `${basePrompt}
 
+## ACTIVE DEVELOPER WORKSPACE STATE
+Active Dev Servers:
+${devServersContext}
+
 ## ACTIVE SUBTASK OBJECTIVE
 You are working on a single task in your task queue:
 TASK: "${task.text}"