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Gamma connects to a Nagent workspace with an API key. Once it is connected, agents can call 5 Gamma actions, such as "Create from Template", "Get Gamma File URLs" and "List Folders". Nothing is enabled on connect: each action is allowed one at a time, and an action with side effects runs or waits for a person according to the agent's level.
Every operation an agent can call against Gamma, with input parameters and output schema.
GAMMA_CREATE_FROM_TEMPLATETool to create new Gamma content based on an existing template. Use when you need to generate content with a predefined structure/layout by providing custom instructions and prompt. The API creates content asynchronously. This action polls the generation status and returns the gammaUrl when complete, or a generationId if the 2-minute timeout is reached.
Input parameters
Text instructions, image URLs, and guidance for adapting the template. Supports 1-100,000 tokens. Can include content to fill into the template and specific customization instructions.
Unique identifier of the gamma template to use as the base for content generation. This determines the structure and layout of the generated content.
Theme identifier obtained from the List Themes API. Use the 'id' field (e.g., 'chisel', 'alien', 'aurora'), NOT the 'name' field which contains human-readable theme names. If not specified, uses the template's default theme.
Additional export format for the generated content. Options: 'pdf' (static document) or 'pptx' (editable PowerPoint). Download links expire after a period—download promptly.
Array of folder IDs where the generated gamma should be stored. Use List Folders API to get available folder IDs.
Image generation options for template content. Docs: https://developers.gamma.app/docs/image-models
Access control options for the generated content. Docs: https://developers.gamma.app/docs/how-does-the-generations-api-work#sharingoptions
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
GAMMA_GENERATE_GAMMAGenerate a Gamma presentation, document, webpage, or social media content using AI. Documentation: https://developers.gamma.app/docs/generate-api-parameters-explained The API creates content asynchronously. Poll the returned generationId to check status.
Input parameters
Output type. 'presentation' (slide deck), 'document' (continuous page/report), 'webpage' (web page), 'social' (Instagram/TikTok/LinkedIn posts). Default: 'presentation'
Visual theme identifier defining color palette and typography. To use the default theme, omit this field entirely — do NOT pass 'default' as a value. IMPORTANT: Theme IDs cannot be guessed - you MUST retrieve them using the List Themes API first. Standard themes use lowercase words ('alien', 'aurora'), hyphens ('default-dark', 'blue-steel'), or alphanumeric IDs ('ag4mc9ggtxi8iyi'). Custom workspace themes use 'theme_' prefix ('theme_abc123xyz'). DO NOT use underscore-separated words like 'corporate_blue' - these are invalid. Both standard (global) and custom (workspace-specific) themes are supported.
Additional download format alongside Gamma URL. 'pdf' (static document) or 'pptx' (editable PowerPoint). Links provided in GET response expire after time—download promptly.
Number of cards to create (when cardSplit='auto'). Pro users: 1-60, Ultra users: 1-75. Default: 10
Content transformation mode. 'generate' (AI expands brief inputs into full content), 'condense' (summarizes long text to fit slides), 'preserve' (keeps exact wording, adds structure).
Card division logic. 'auto' (AI splits into numCards slides, ignores \\n---\\n), 'inputTextBreaks' (splits at each \\n---\\n marker, ignores numCards). Default: 'auto'
Target folder(s) for storing the generated gamma. Retrieve available folder IDs using the List Folders API. Multiple folders can be specified.
Text and image URLs to generate gamma from. Can be brief (few words) or extensive (pages). Token limits: 100,000 tokens (~400,000 characters). Image URLs can be included where they should appear. Use '\\n---\\n' to control card splits.
Card layout options. Docs: https://developers.gamma.app/docs/how-does-the-generations-api-work#cardoptions
Text generation options. Docs: https://developers.gamma.app/docs/how-does-the-generations-api-work#textoptions
Image options for gamma generation. Docs: https://developers.gamma.app/docs/how-does-the-generations-api-work#imageoptions
Sharing and access control options. Docs: https://developers.gamma.app/docs/generate-api-parameters-explained
Extra specifications for content, layouts, etc. Character limits: 1-2000.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
GAMMA_GET_GAMMA_FILE_URLSRetrieve generation status and file URLs. Poll this endpoint every ~5 seconds until status is 'completed'. Docs: https://developers.gamma.app/reference/get-generation-status
Input parameters
The generationId obtained from the POST generations endpoint. Must contain only letters and numbers (alphanumeric characters).
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
GAMMA_LIST_FOLDERSTool to retrieve a paginated list of folders in your Gamma workspace. Use when you need folder IDs to organize generated content or to search for specific folders by name.
Input parameters
Cursor token for fetching the next page. Use the nextCursor value from the previous response. Pagination is forward-only.
Number of items to return per page. Maximum: 50.
Search by name (case-insensitive). Filters results to items matching the search term.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
GAMMA_LIST_THEMESFetch the list of themes available in your workspace. Returns both standard (global) and custom (workspace-specific) themes in a paginated format. Use this to discover available theme IDs and names for use with the Generate API. Filter by name using the query parameter.
Input parameters
Cursor token for pagination. Use the nextCursor value from the previous response to fetch the next page.
Maximum number of themes to return per page. Must be between 1 and 50.
Search themes by name. Filter the list to only themes matching this query string.
Output
Data from the action execution
Error if any occurred during the execution of the action
Whether or not the action execution was successful or not
Agents can call 5 Gamma actions on Nagent, including "Create from Template", "Get Gamma File URLs" and "List Folders". Create from Template: Create new Gamma content based on an existing template. Each action is listed on this page with its input parameters and its output.
Gamma connects with an API key, under your workspace's own connection. Nothing is enabled on connect: each action is allowed one at a time and can be scoped to the agents that need it.
Create from Template takes 2 required inputs: prompt and gammaId. It also takes 5 optional inputs: themeId, exportAs, folderIds, imageOptions and sharingOptions. It returns data, error and successful.