Ynab MCP for AI Agents

Securely connect your AI agents and chatbots (Claude, ChatGPT, Cursor, etc) with Ynab MCP or direct API to track expenses, create budgets, categorize transactions, and analyze financial trends through natural language.
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Enter a prompt below to test the integration in our Tool Router playground. You'll be redirected to sign in and try it live.

Supported Tools

Tools
Create a new account in a budgetTool to create a new account in a budget.
Create Scheduled TransactionCreates a scheduled (recurring) transaction in a YNAB budget.
Delete Scheduled TransactionPermanently deletes a scheduled transaction from a YNAB budget.
Get Account by IDTool to retrieve a single account resource.
Get Budget By IDRetrieve a complete budget export by ID, including all accounts, categories, payees, and transactions.
Get Budget MonthTool to retrieve a specific budget month.
Get Budget SettingsTool to retrieve budget-level settings.
Get Category by IDRetrieve a single YNAB budget category by its ID.
Get Month Category By IDTool to retrieve a single category for a specific budget month.
Get Payee by IDTool to retrieve a single payee by its ID.
Get Scheduled Transaction by IDTool to retrieve a single scheduled transaction.
Get Transaction by IDTool to retrieve a single transaction by its ID.
Get Authorized UserTool to retrieve the authorized user's information.
List AccountsRetrieves all accounts for a specified YNAB budget.
List BudgetsRetrieves all budgets accessible to the authenticated YNAB user.
List CategoriesTool to list all category groups and their categories for a budget.
List Budget MonthsTool to list months for a budget with summary information.
List Payee LocationsRetrieves all GPS locations associated with payees in a budget.
List Payee Locations by PayeeRetrieves all GPS locations associated with a specific payee in a budget.
List payees in a budgetTool to list payees in a budget.
List Scheduled TransactionsList all scheduled (recurring) transactions for a YNAB budget.
List TransactionsTool to list transactions in a budget.
List Transactions by AccountTool to list transactions for a specific account.
List Transactions by CategoryTool to list transactions for a specific category (excludes pending).
List Transactions by PayeeTool to list transactions for a specific payee in a budget.
Update PayeeTool to update a payee.
Update Scheduled TransactionUpdate an existing scheduled transaction in YNAB.
Python
TypeScript

Install Composio

python
pip install composio claude-agent-sdk
Install the Composio SDK and Claude Agent SDK

Create Tool Router Session

python
from composio import Composio
from claude_agent_sdk import ClaudeSDKClient, ClaudeAgentOptions

composio = Composio(api_key='your-composio-api-key')
session = composio.create(user_id='your-user-id')
url = session.mcp.url
Initialize the Composio client and create a Tool Router session

Connect to AI Agent

python
import asyncio

options = ClaudeAgentOptions(
    permission_mode='bypassPermissions',
    mcp_servers={
        'tool_router': {
            'type': 'http',
            'url': url,
            'headers': {
                'x-api-key': 'your-composio-api-key'
            }
        }
    },
    system_prompt='You are a helpful assistant with access to Ynab tools.',
    max_turns=10
)

async def main():
    async with ClaudeSDKClient(options=options) as client:
        await client.query('Show my total spending for this month')
        async for message in client.receive_response():
            if hasattr(message, 'content'):
                for block in message.content:
                    if hasattr(block, 'text'):
                        print(block.text)

asyncio.run(main())
Use the MCP server with your AI agent

Why Use Composio?

AI Native Ynab Integration

  • Supports both Ynab MCP and direct API based integrations
  • Structured, LLM-friendly schemas for reliable tool execution
  • Rich coverage for reading, writing, and querying your Ynab data

Managed Auth

  • Built-in OAuth handling with automatic token refresh and rotation
  • Central place to manage, scope, and revoke Ynab access
  • Per user and per environment credentials instead of hard-coded keys

Agent Optimized Design

  • Tools are tuned using real error and success rates to improve reliability over time
  • Comprehensive execution logs so you always know what ran, when, and on whose behalf

Enterprise Grade Security

  • Fine-grained RBAC so you control which agents and users can access Ynab
  • Scoped, least privilege access to Ynab resources
  • Full audit trail of agent actions to support review and compliance

Use Ynab with any AI Agent Framework

Choose a Framework you want to connect Ynab with

Frequently Asked Questions

Do I need my own developer credentials to use Ynab with Composio?

No, you can get started immediately using Composio's built-in Ynab app. For production, we recommend configuring your own OAuth credentials.

Can I use multiple toolkits together?

Yes! Composio's Tool Router enables agents to use multiple toolkits. Learn more.

Is Composio secure?

Composio is SOC 2 and ISO 27001 compliant with all data encrypted in transit and at rest. Learn more.

What if the API changes?

Composio maintains and updates all toolkit integrations automatically, so your agents always work with the latest API versions.

Used by agents from

Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai
Context
Letta
glean
HubSpot
Agent.ai
Altera
DataStax
Entelligence
Rolai

Never worry about agent reliability

We handle tool reliability, observability, and security so you never have to second-guess an agent action.

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