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tools/README.md
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tools/README.md
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# Letta Agent Tools
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This directory contains Python tools for the Letta agent to interact with Bluesky.
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## Directory Structure
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```
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tools/
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├── bluesky/ # Bluesky-specific tools
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│ ├── *.py # Your tool files go here
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│ └── example_tool.py # Sample showing expected format
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└── README.md # This file
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```
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## Adding Your Existing Tools
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1. **Copy your Python tool files** into the `tools/bluesky/` directory
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2. **Ensure each file contains ONE tool function** as the main export
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3. **Tool naming convention**: The filename should match the function name
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- Example: `create_bluesky_post.py` contains `def create_bluesky_post(...)`
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## Required Tools for Bluesky
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Based on your operational guide, these tools are referenced:
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- `create_bluesky_post` - Creates posts or replies on Bluesky
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- `like_bluesky_post` - Likes a specific post
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- `repost_bluesky_post` - Reposts content to followers
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- `quote_bluesky_post` - Quotes a post with commentary
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- `update_bluesky_connection` - Follow/unfollow/block/mute operations
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- `fetch_bluesky_posts` - Retrieves posts from feeds
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- `get_bluesky_user_info` - Gets user profile information
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- `update_bluesky_profile` - Updates the agent's profile
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- `ignore_notification` - (May be handled by Letta core, not custom)
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## Tool Format Requirements
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Each Python tool file must:
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1. **Use Google-style docstrings** with:
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- Brief description
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- `Args:` section documenting all parameters
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- `Returns:` section describing the return value
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- Optional `Example:` section
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2. **Include type annotations** for all parameters and return values
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3. **Access environment variables** for credentials:
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```python
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import os
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username = os.getenv("BSKY_USERNAME")
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password = os.getenv("BSKY_APP_PASSWORD")
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service_url = os.getenv("BSKY_SERVICE_URL")
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```
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4. **Return meaningful results** (strings, JSON, or structured data)
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See `tools/bluesky/example_tool.py` for a complete example.
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## How It Works
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When you run `deno task prep-agent`, the script will:
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1. Check which tools are already attached to your agent
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2. Search for tools in Letta's global tool registry
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3. For missing tools, read the `.py` file from `tools/bluesky/`
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4. Create the tool in Letta
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5. Attach the tool to your agent
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## After Adding Tools
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Once you've copied your tool files into `tools/bluesky/`:
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```bash
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deno task prep-agent
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```
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This will automatically create and attach all tools to your agent.
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## Updating Tools
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If you modify a tool:
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1. Update the `.py` file in `tools/bluesky/`
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2. Delete the old tool from Letta (via UI or API)
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3. Run `deno task prep-agent` to recreate it
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Alternatively, use Letta's `client.tools.modify()` API to update existing tools.