MCPInstall

upload-r2

by remotion-devMedia & Creative

Upload large Remotion repository assets to the Cloudflare R2 bucket behind remotion.media and replace local public/ assets with hosted URLs. Use when a file is too large for Git or when a PR should avoid committing media binaries by hosting them on remotion.media.

Installs
579
Last 24h
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Security
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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/remotion-dev/remotion --skill upload-r2
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads upload-r2 automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Upload R2 Asset

Use this for large media assets that should be hosted on https://remotion.media/ instead of committed to Git.

Workflow

  1. Find the main worktree:

    git worktree list --porcelain

    Prefer the worktree on refs/heads/main, usually /Users/jonathanburger/remotion.

  2. Load R2 credentials from the main worktree:

    --env-file=/Users/jonathanburger/remotion/packages/remotion-media/.env

    Do not print secret values. The required variables are AWS_ACCESS_KEY_ID and AWS_SECRET_ACCESS_KEY.

  3. Upload the file to the parser-media bucket using Bun's S3-compatible client:

    bun --env-file=/Users/jonathanburger/remotion/packages/remotion-media/.env -e "import {S3Client} from 'bun'; const filePath='<local-file>'; const key='<remote-file-name>'; const client=new S3Client({accessKeyId:Bun.env.AWS_ACCESS_KEY_ID, secretAccessKey:Bun.env.AWS_SECRET_ACCESS_KEY, endpoint:'https://2fe488b3b0f4deee223aef7464784c46.r2.cloudflarestorage.com', bucket:'parser-media'}); const file=Bun.file(filePath); if (await client.exists(key)) { const stat=await client.stat(key); if (stat.size===file.size) { console.log('exists-same-size', key, file.size); process.exit(0); } } await client.write(key, file); const stat=await client.stat(key); console.log('uploaded', key, stat.size);"

  4. Verify the public URL:

    curl -I --fail https://remotion.media/<remote-file-name>

  5. Replace local asset usage with the hosted URL and delete the local binary.

    Do not wrap remote URLs in staticFile(): staticFile() rejects http:// and https:// URLs. Use the URL string directly, for example:

    <Video src="https://remotion.media/example.mp4" />

  6. Run the focused lint or stylecheck for touched packages, then commit and push.

FAQ

What does the upload-r2 skill do?

Upload large Remotion repository assets to the Cloudflare R2 bucket behind remotion.media and replace local public/ assets with hosted URLs. Use when a file is too large for Git or when a PR should avoid committing media binaries by hosting them on remotion.media.

How do I install upload-r2?

Run npx skills add https://github.com/remotion-dev/remotion --skill upload-r2 in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/upload-r2/ (personal) or .claude/skills/upload-r2/ (project).

Which AI agents can use upload-r2?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is upload-r2 safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains upload-r2?

It is published by remotion-dev in remotion-dev/remotion. It has 579 recorded installs.

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