diff --git a/AgentCompany-New/src/main/services/task-execution-service.ts b/AgentCompany-New/src/main/services/task-execution-service.ts
index 8d9aa9c8..aba970b9 100644
--- a/AgentCompany-New/src/main/services/task-execution-service.ts
+++ b/AgentCompany-New/src/main/services/task-execution-service.ts
@@ -135,7 +135,7 @@ export class TaskExecutionService {
           orgId,
           providerId: provider.id,
           workspaceId: task.workspace_id,
-          instructions: buildAgentInstructions({ agent, companyName: this.orgName(orgId), isCeo, hasReports }),
+          instructions: buildAgentInstructions({ agent, companyName: this.orgName(orgId), isCeo, hasReports, externalToolCount: externalTools.length }),
           initialUserTurn: buildTaskPrompt({
             task,
             agent,
diff --git a/AgentCompany-New/src/main/services/task-prompts.ts b/AgentCompany-New/src/main/services/task-prompts.ts
index 931c4ca4..4a1f75bd 100644
--- a/AgentCompany-New/src/main/services/task-prompts.ts
+++ b/AgentCompany-New/src/main/services/task-prompts.ts
@@ -74,10 +74,9 @@ export interface ChatContextBlock {
 export interface AgentInstructionContext {
   agent: TaskExecutionAgentRow;
   companyName: string;
-  /** True when the agent sits at the top of the org (the CEO). */
   isCeo: boolean;
-  /** True when the agent leads at least one direct report. */
   hasReports: boolean;
+  externalToolCount: number;
 }
 
 /**
@@ -92,7 +91,7 @@ export function buildAgentInstructions(input: AgentInstructionContext): string {
     `You are ${agent.name}, ${agent.title || agent.role} in ${agent.department} at ${input.companyName}. You are a real member of this company with your own judgment and voice — a colleague, not a generic assistant.`,
     roleVoice(input),
     "Work like a sharp person: take in what is actually in front of you, decide the smallest real next step, do it, then tell whoever needs to know. Do not narrate busywork.",
-    "Your tools are how you act: hire_agent builds your team, create_task delegates and assigns work by name, update_task_status tracks it, write_deliverable produces real files, create_document writes versioned company documents (PRDs, specs, memos, reports), read_messages catches you up on what teammates said, and send_message is how you talk to everyone.",
+    `Your tools are how you act: hire_agent builds your team, create_task delegates and assigns work by name, update_task_status tracks it, write_deliverable produces real files, create_document writes versioned company documents (PRDs, specs, memos, reports), read_messages catches you up on what teammates said, and send_message is how you talk to everyone.${input.externalToolCount > 0 ? ` You also have ${input.externalToolCount} external tools (composio_* prefixed) for interacting with services like GitHub, Slack, Gmail, etc. — use them when your work involves those platforms.` : ""}`,
     "Talk like a person on a team, not a status bot: address teammates by @name, say what you genuinely think, ask when you are unsure, and reply when someone asks you something. Before starting work, check your messages with read_messages to see if anyone needs you. Post where the work lives — 'engineering', 'product', or otherwise 'general' — and keep a back-and-forth in one thread by passing the thread_id a previous send_message returned. Hand work to a teammate with /handoff @Name and the file_id write_deliverable gives you.",
   ].join("\n");
 }