From 8989369b17ef6bfbf62cda56d39d4c2865c984fe Mon Sep 17 00:00:00 2001
From: Cameron Pfiffer <cameron@pfiffer.org>
Date: Wed, 2 Jul 2025 12:06:59 -0700
Subject: [PATCH] Add bluesky_reply tool for Letta agent responses
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- Created new reply.py tool module with bluesky_reply function
- Added 300 character validation to match Bluesky's limit
- Registered the tool in register_tools.py
- This simple tool allows the Letta agent to indicate when it wants to send a reply

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 register_tools.py |  7 +++++++
 tools/reply.py    | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 41 insertions(+)
 create mode 100644 tools/reply.py

diff --git a/register_tools.py b/register_tools.py
index 0b1e0b1..849a508 100755
--- a/register_tools.py
+++ b/register_tools.py
@@ -14,6 +14,7 @@ from tools.search import search_bluesky_posts, SearchArgs
 from tools.post import create_new_bluesky_post, PostArgs
 from tools.feed import get_bluesky_feed, FeedArgs
 from tools.blocks import attach_user_blocks, detach_user_blocks, AttachUserBlocksArgs, DetachUserBlocksArgs
+from tools.reply import bluesky_reply, ReplyArgs
 
 load_dotenv()
 logging.basicConfig(level=logging.INFO)
@@ -53,6 +54,12 @@ TOOL_CONFIGS = [
         "description": "Detach user-specific memory blocks from the agent. Blocks are preserved for later use.",
         "tags": ["memory", "blocks", "user"]
     },
+    {
+        "func": bluesky_reply,
+        "args_schema": ReplyArgs,
+        "description": "Simple reply indicator for the Letta agent (max 300 chars)",
+        "tags": ["bluesky", "reply", "response"]
+    },
 ]
 
 
diff --git a/tools/reply.py b/tools/reply.py
new file mode 100644
index 0000000..d44a62d
--- /dev/null
+++ b/tools/reply.py
@@ -0,0 +1,34 @@
+"""Reply tool for Bluesky - a simple tool for the Letta agent to indicate a reply."""
+from pydantic import BaseModel, Field, validator
+
+
+class ReplyArgs(BaseModel):
+    message: str = Field(
+        ..., 
+        description="The reply message text (max 300 characters)"
+    )
+    
+    @validator('message')
+    def validate_message_length(cls, v):
+        if len(v) > 300:
+            raise ValueError(f"Message cannot be longer than 300 characters (current: {len(v)} characters)")
+        return v
+
+
+def bluesky_reply(message: str) -> str:
+    """
+    This is a simple function that returns a string. MUST be less than 300 characters.
+    
+    Args:
+        message: The reply text (max 300 characters)
+        
+    Returns:
+        Confirmation message
+        
+    Raises:
+        Exception: If message exceeds 300 characters
+    """
+    if len(message) > 300:
+        raise Exception(f"Message cannot be longer than 300 characters (current: {len(message)} characters)")
+    
+    return 'Reply sent'
\ No newline at end of file
-- 
2.51.2