Sourdough Hydration Calculator

Sourdough Hydration Calculator MCP Connector for Claude

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Calculate precise baker's percentages, hydration, and batch scaling for sourdough recipes.

4 tools Official Updated Oct 1, 2026 Official Vinkius Partner

This MCP server provides precise mathematical tools for sourdough bakers. It calculates true hydration by accounting for the flour and water within the starter, determines baker's percentages, and allows for accurate batch scaling. Use calculate_recipe_metrics to find the hydration profile of your recipe, scale_to_target_mass to adjust a recipe for a specific dough weight, or scale_to_loaf_count to prepare exact quantities for a specific number of loaves. It ensures all ingredient weights are rounded to the nearest gram for practical baking.

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

calculate_recipe_metrics

You can optionally provide the starter hydration. Calculates fundamental baker's percentages and total hydration for a sourdough recipe

scale_to_loaf_count

Determines required ingredient quantities for a specific number of loaves

scale_to_target_mass

Re-calculates ingredient quantities to achieve a specific total dough mass

validate_hydration_profile

Checks if a hydration level is within standard sourdough ranges

See how to talk to your AI agent using Sourdough Hydration Calculator.

Calculate the metrics for a recipe with 500g flour, 350g water, 100g starter, and 10g salt.

The total hydration is 72.7% and the total dough yield is 960g.

Scale my recipe to produce exactly 1500g of dough.

To achieve 1500g of dough, you will need 781g of flour, 547g of water, 156g of starter, and 16g of salt.

Is a hydration of 82% considered high?

Yes, a hydration of 82% is classified as High.

The tool calculates total hydration by summing the water from the added water and the water contained within the starter, then dividing by the total flour (added flour plus flour from the starter).

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