Agent skill · writing content · jeremylongshore

gamma-core-workflow-b

Generate from templates, retrieve exports, and manage sharing via Gamma

Why this skill is useful

Adds specific API commands and patterns for generating and exporting content using the Gamma API that the AI wouldn't reliably generate on its own.

What it needs

Requires gamma account access. About 4k tokens when loaded. Last updated 2026-08-07. 2,604 stars on the source repository.

What this skill does

Gamma Core Workflow B: Templates & Export Output Record opaque document/template ID, approved export destination, owner, review status, and next action. Keep presentation content, viewer data, and credentials in authorized systems. Examples Export a fictional staging template to an approved test destination, verify an unapproved destination is denied, and ensure a rerun does not create duplicate exports. Overview Use Gamma's template-based generation (POST /v1.0/generations/from-template) and export retrieval (GET /v1.0/generations/{id}/files) endpoints. Template generation lets you replicate a single-page gamma template across multiple variations. Export retrieval gives you downloadable PDF, PPTX, and PNG files. Prerequisites Completed gamma-core-workflow-a A template gamma with exactly one page (created in the Gamma app) Understanding of the generate-poll-retrieve pattern Key Concepts Template gamma: A regular gamma with exactly one page, used as a repeatable template gammaId: Found in the gamma URL or copied from the app Export URLs: Temporary download links returned after generation — download promptly as they expire Instructions Step 1: Create from Template Step 2: Batch Template Generation Step 3: Export Format Selection Step 4: Retrieve Export Files Step 5: Sharing Configuration Step 6: curl Reference Export Format Comparison Format Best For Fidelity Editable? -------- ---------- ---------- ----------- PDF Sharing, printing High No PPTX Editing in PowerPoint/Slides Medium (layout shifts possible) Yes PNG Thumbnails, social media High (single image) No Error Handling Error Cause Solution ------- ------- ---------- "Template must have exactly one page" Multi-page template Edit template to single page Empty exportUrl exportAs not specified Add exportAs to generation request Download URL expired Too slow to download Download immediately after completion 422 on template generation Invalid gammaId Verify template ID from Gamma app URL Resources Create from Template …

How to use it

Reference it in AdaL, Claude Code, Cursor or any coding agent — nothing to install:

@skills jeremylongshore/gamma-core-workflow-b

View the source on GitHub

Browse the @skills marketplace