> ## Documentation Index > Fetch the complete documentation index at: https://docs.askgrapple.com/llms.txt > Use this file to discover all available pages before exploring further. # Skills > Use slash commands to add fields, build charts, filter data, and manage projects Skills are slash commands you run inside a project. Type `/` in the command bar or press **⌘K** to open the menu. Prompt-driven skills use AI to interpret your request. If Grapple can't understand your prompt with enough confidence, it asks you to rephrase. ## Calculations Add a native field from a connected collection. Calculate a new row-level field. Aggregate across nested or joined data. Reshape nested data into new fields. Build an aggregated report or metric. ## Charts Bar chart visualization. Line chart visualization. Single KPI big number. Pie chart visualization. Waterfall chart with running totals. Area chart visualization. Chart formatted as a table. ## Data & project Filter rows by field or value. Join another collection to your project. Toggle public link access. Duplicate the project. Invite someone to view the project. Export data as CSV.