Budget Envelope Allocator

Budget Envelope Allocator MCP Connector for Claude

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A deterministic zero-based budgeting engine for precise income distribution.

3 tools Official Updated Oct 1, 2026 Official Vinkius Partner

This MCP server provides a deterministic zero-based budgeting engine. It allows AI agents to distribute monthly income across fixed expenses and variable percentage-based categories using the Largest Remainder Method. By using calculate_budget_allocation, agents can ensure every cent is accounted for, preventing rounding errors. You can also use get_category_summary to see the balance between fixed obligations and flexible spending, or validate_expense_structure to verify expense lists before processing.

budgetingzero-basedfinanceaccountingallocation

3 tools expose this connector's capabilities to your AI agent.

calculate_budget_allocation

get_category_summary

Provides high-level budget summary

validate_expense_structure

Validates expense list structure

See how to talk to your AI agent using Budget Envelope Allocator.

Calculate my budget: $5000 income, fixed expenses: Rent $1500, Utilities $300. Variable categories: Groceries 20%, Entertainment 10%.

Your budget allocation is: Rent $1500, Utilities $300, Groceries $640, Entertainment $320. Your savings rate is 56%.

Show me a summary for $3000 income with fixed expenses: Rent $1000, Insurance $200.

Total Fixed: $1200. Total Variable Available: $1800. Percentage Fixed: 40%.

Validate these expenses: [{name: 'Rent', amount: 1200}, {name: 'Food', amount: -50}]

Invalid expense structure: amount must be a positive number.

The engine uses the Largest Remainder Method to ensure a zero-based budget. It calculates the floor of each allocation and distributes remaining cents to categories with the highest fractional remainders.

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