Access and manage your Monzo banking data, allowing you to check balances and view transactions.
A Model Context Protocol (MCP) server that provides access to your Monzo banking data through a Claude tool.
https://github.com/user-attachments/assets/ca3f9558-bc4b-460f-8658-99674f9c16b7
# Clone the repository
git clone https://github.com/BfdCampos/monzo-mcp-bfdcampos.git
cd monzo-mcp-bfdcampos/monzo-mcp-bfdcampos
# Install dependencies using uv (Python package manager)
uv install
Create a .env
file in the project directory with your Monzo credentials:
[!NOTE] To get your credentials, follow the instructions in the official Monzo Dev API Docs
MONZO_ACCESS_TOKEN='your_access_token'
MONZO_USER_ID='your_user_id'
MONZO_ACCOUNT_ID='your_default_account_id'
# Add specific account IDs for different account types
MONZO_UK_PREPAID_PERSONAL_ACCOUNT_ID='your_prepaid_account_id'
MONZO_UK_RETAIL_PERSONAL_ACCOUNT_ID='your_personal_account_id'
MONZO_UK_MONZO_FLEX_PERSONAL_ACCOUNT_ID='your_flex_account_id'
MONZO_UK_REWARDS_PERSONAL_ACCOUNT_ID='your_rewards_account_id'
MONZO_UK_RETAIL_JOINT_JOINT_ACCOUNT_ID='your_joint_account_id'
[!NOTE] I recommend getting the account IDs and adding them to your dotenv file to have a smoother experience with the server and reduce the number of API calls. This can also be found in the official Monzo Dev API Docs.
Use the MCP CLI tool to install the server automatically:
uv run mcp install main.py
Add the server to your Claude Desktop configuration file located at ~/Library/Application Support/Claude/claude_desktop_config.json
:
{
"mcpServers": {
"Monzo": {
"command": "/Users/[Your Home Directory]/.local/bin/uv",
"args": [
"run",
"--with",
"mcp[cli],requests",
"mcp",
"run",
"/path/to/your/monzo-mcp-bfdcampos/monzo-mcp-bfdcampos/main.py"
]
}
}
}
Note: Replace
/path/to/your/
with your actual paths. Important: Make sure to includerequests
in the--with
argument as shown above.
Returns the balance, spending today, and currency for a specified account type.
Parameters:
account_type
(optional): Type of account to check balance for. Options: "default", "personal", "prepaid", "flex", "rewards", "joint"total_balance
(optional): If set to true, returns the total balance for the account. Default is falseExample requests:
What's my current balance?
How much money do I have in my joint account?
What's the balance of my flex account?
Returns the list of pots for a specified account type.
Parameters:
account_type
(optional): Type of account to check pots for. Options: "default", "personal", "prepaid", "flex", "rewards", "joint"Example requests:
Show me my pots
How many pots do I have?
How much money do I have in my "Savings" pot?
Deposit money from an account into a pot.
Parameters:
pot_id
(required): The ID of the pot to deposit money intoamount
(required): The amount to deposit in pence (e.g., 1000 for ยฃ10.00)account_type
(optional): The account to withdraw from. Default is "personal"Example requests:
Add ยฃ25 to my Savings pot
Move ยฃ10 from my personal account to my Holiday pot
Withdraw money from a pot back to an account.
Parameters:
pot_id
(required): The ID of the pot to withdraw money fromamount
(required): The amount to withdraw in pence (e.g., 1000 for ยฃ10.00)account_type
(optional): The account to deposit into. Default is "personal"Example requests:
Take ยฃ25 from my Savings pot
Withdraw ยฃ10 from my Holiday pot to my personal account
Lists transactions for a specified account.
Parameters:
account_type
(optional): Type of account to list transactions for. Default is "personal"since
(optional): Start date for transactions in ISO 8601 format (e.g., "2025-05-20T00:00:00Z")before
(optional): End date for transactions in ISO 8601 formatlimit
(optional): Maximum number of transactions to return. Default is 1000Example requests:
Show me my recent transactions
What transactions do I have from today?
List all transactions from my joint account this month
Retrieves details of a specific transaction.
Parameters:
transaction_id
(required): The ID of the transaction to retrieveexpand
(optional): Additional data to include in the response. Default is "merchant"Example requests:
Show me the details of my last transaction
What was the last transaction I made?
Edits the metadata of a transaction.
Parameters:
transaction_id
(required): The ID of the transaction to annotatemetadata_key
(required): The key of the metadata to edit. Default is 'notes'metadata_value
(required): The new value for the metadata key. Empty values will remove the keydelete_note
(optional): If set to true, the note will be deleted. Default is falseExample requests:
Add a note to my last transaction saying "Dinner with friends"
Remove the note from my last transaction
uv
installation, e.g., /Users/[Your Home Directory]/.local/bin/uv
in the command section of the configuration file.requests
library is included in the --with
argument list in your configuration, as this is a common cause of connection issues.~/Library/Logs/Claude/mcp-server-Monzo.log
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