delete_transactions
Remove specific or all financial transactions from both JSON ledger and ChromaDB storage. Requires confirmation for safety when deleting transaction data.
Instructions
Delete transactions from both the JSON ledger and ChromaDB.
Args:
indices: List of transaction indices (from list_transactions) to delete
delete_all: Set to true to delete all transactions
confirm: Must be true to actually perform deletion (safety guard)
Returns:
Status message describing the deletion resultInput Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| indices | No | ||
| delete_all | No | ||
| confirm | No |
Output Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| result | Yes |
Implementation Reference
- my_finance_mcp.py:170-227 (handler)The handler function for the 'delete_transactions' tool, which deletes transactions from the JSON ledger and ChromaDB based on indices or all if specified. Includes safety confirm parameter. The @mcp.tool() decorator registers it.
@mcp.tool() def delete_transactions(indices: Optional[List[int]] = None, delete_all: bool = False, confirm: bool = False) -> str: """ Delete transactions from both the JSON ledger and ChromaDB. Args: indices: List of transaction indices (from list_transactions) to delete delete_all: Set to true to delete all transactions confirm: Must be true to actually perform deletion (safety guard) Returns: Status message describing the deletion result """ if not confirm: raise ValueError("Deletion aborted: set confirm=True to proceed.") transactions = _load_transactions() if delete_all: deleted_count = len(transactions) _save_transactions([]) try: # Recreate the collection to ensure it is empty global collection chroma_client.delete_collection("transactions") collection = chroma_client.get_or_create_collection("transactions") except chromadb.errors.InvalidCollectionException: pass return f"Deleted {deleted_count} transactions." if deleted_count else "No transactions to delete." if not indices: raise ValueError("Provide indices to delete or set delete_all=True.") indices_set = set(indices) remaining: List[Dict[str, Any]] = [] removed: List[Dict[str, Any]] = [] for idx, txn in enumerate(transactions): if idx in indices_set: removed.append(txn) else: remaining.append(txn) if not removed: return "No transactions matched the provided indices." _save_transactions(remaining) # Remove matching entries from ChromaDB using metadata filters for txn in removed: metadata_filter = {k: v for k, v in txn.items() if isinstance(k, str)} try: collection.delete(where=metadata_filter) except Exception: # If metadata-based delete fails, ignore but keep JSON consistent continue return f"Deleted {len(removed)} transactions." - my_finance_mcp.py:170-170 (registration)The @mcp.tool() decorator registers the delete_transactions function as an MCP tool.
@mcp.tool()