Individual skill

n8n-binary-and-data

Handle files and binary data in n8n correctly. Use when working with files, images, PDFs, attachments, uploads or downloads, base64, vision/multimodal input, or when an AI agent needs a file as tool input or output — and whenever the user mentions $binary, binaryPropertyName, "read the PDF", "attach the file", "send the image", Merge losing binary, or a CDN for chat images. Covers the $binary vs $json split, reading/writing binary, keeping binary alive across transforms with Merge, the agent-tool binary boundary, and the CDN/URL requirement for chat surfaces.

n8n-binary-and-data/SKILL.md

Source commit 934118c81194d6587f2d45889c962d70c8bd511c

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Observed behavior

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Last checked

Nov 11, 2026

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