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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165"""Feed tool for retrieving Bluesky feeds."""from pydantic import BaseModel, Fieldfrom typing import Optional
class FeedArgs(BaseModel): feed_name: Optional[str] = Field(None, description="Named feed preset. Available feeds: 'home' (timeline), 'discover' (what's hot), 'ai-for-grownups', 'atmosphere', 'void-cafe'. If not provided, returns home timeline") max_posts: int = Field(default=25, description="Maximum number of posts to retrieve (max 100)")
def get_bluesky_feed(feed_name: str = None, max_posts: int = 25) -> str: """ Retrieve a Bluesky feed. Args: feed_name: Named feed preset - available options: 'home', 'discover', 'ai-for-grownups', 'atmosphere', 'void-cafe' max_posts: Maximum number of posts to retrieve (max 100) Returns: YAML-formatted feed data with posts and metadata """ import os import yaml import requests try: # Predefined feed mappings (must be inside function for sandboxing) feed_presets = { "home": None, # Home timeline (default) "discover": "at://did:plc:z72i7hdynmk6r22z27h6tvur/app.bsky.feed.generator/whats-hot", "ai-for-grownups": "at://did:plc:gfrmhdmjvxn2sjedzboeudef/app.bsky.feed.generator/ai-for-grownups", "atmosphere": "at://did:plc:gfrmhdmjvxn2sjedzboeudef/app.bsky.feed.generator/the-atmosphere", "void-cafe": "at://did:plc:gfrmhdmjvxn2sjedzboeudef/app.bsky.feed.generator/void-cafe" } # Validate inputs max_posts = min(max_posts, 100) # Resolve feed URI from name if feed_name: # Handle case where agent passes 'FeedName.discover' instead of 'discover' if '.' in feed_name and feed_name.startswith('FeedName.'): feed_name = feed_name.split('.', 1)[1] # Look up named preset if feed_name not in feed_presets: available_feeds = list(feed_presets.keys()) raise Exception(f"Invalid feed name '{feed_name}'. Available feeds: {available_feeds}") resolved_feed_uri = feed_presets[feed_name] feed_display_name = feed_name else: # Default to home timeline resolved_feed_uri = None feed_display_name = "home" # Get credentials from environment username = os.getenv("BSKY_USERNAME") password = os.getenv("BSKY_PASSWORD") pds_host = os.getenv("PDS_URI", "https://bsky.social") if not username or not password: raise Exception("BSKY_USERNAME and BSKY_PASSWORD environment variables must be set") # Create session session_url = f"{pds_host}/xrpc/com.atproto.server.createSession" session_data = { "identifier": username, "password": password } try: session_response = requests.post(session_url, json=session_data, timeout=10) session_response.raise_for_status() session = session_response.json() access_token = session.get("accessJwt") if not access_token: raise Exception("Failed to get access token from session") except Exception as e: raise Exception(f"Authentication failed. ({str(e)})") # Get feed headers = {"Authorization": f"Bearer {access_token}"} if resolved_feed_uri: # Custom feed feed_url = f"{pds_host}/xrpc/app.bsky.feed.getFeed" params = { "feed": resolved_feed_uri, "limit": max_posts } feed_type = "custom" else: # Home timeline feed_url = f"{pds_host}/xrpc/app.bsky.feed.getTimeline" params = { "limit": max_posts } feed_type = "home" try: response = requests.get(feed_url, headers=headers, params=params, timeout=10) response.raise_for_status() feed_data = response.json() except Exception as e: raise Exception(f"Failed to get feed. ({str(e)})") # Format posts posts = [] for item in feed_data.get("feed", []): post = item.get("post", {}) author = post.get("author", {}) record = post.get("record", {}) post_data = { "author": { "handle": author.get("handle", ""), "display_name": author.get("displayName", ""), }, "text": record.get("text", ""), "created_at": record.get("createdAt", ""), "uri": post.get("uri", ""), "cid": post.get("cid", ""), "like_count": post.get("likeCount", 0), "repost_count": post.get("repostCount", 0), "reply_count": post.get("replyCount", 0), } # Add repost info if present if "reason" in item and item["reason"]: reason = item["reason"] if reason.get("$type") == "app.bsky.feed.defs#reasonRepost": by = reason.get("by", {}) post_data["reposted_by"] = { "handle": by.get("handle", ""), "display_name": by.get("displayName", ""), } # Add reply info if present if "reply" in record and record["reply"]: parent = record["reply"].get("parent", {}) post_data["reply_to"] = { "uri": parent.get("uri", ""), "cid": parent.get("cid", ""), } posts.append(post_data) # Format response feed_result = { "feed": { "type": feed_type, "name": feed_display_name, "post_count": len(posts), "posts": posts } } if resolved_feed_uri: feed_result["feed"]["uri"] = resolved_feed_uri return yaml.dump(feed_result, default_flow_style=False, sort_keys=False) except Exception as e: raise Exception(f"Error retrieving feed: {str(e)}")