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Aktar

Upload files to your own S3, Cloudflare R2 or B2 bucket through the Aktar app and get links.

Cloud ProvidersTypeScriptv0.4.0

aktar upload in a terminal: links, Markdown and JSON output

The aktar command talks to the Aktar app on your Mac or Windows PC, so it uses the destinations, keys, path templates and link settings you already set up there. Your storage keys never leave the app.

$ aktar upload screenshot.png
https://files.example.com/2026/09/7f3c2a91.png

Install

npm install -g @getaktar/cli
# or
brew install getaktar/tap/aktar-cli

Or run it without installing: npx @getaktar/cli upload file.png.

Requires Node.js 18 or later and Aktar for Mac 0.4.0 or later, or Aktar for Windows.

Connect to Aktar

  1. In Aktar, open Settings > Integrations and turn on Allow local connections.
  2. Copy the token shown there.
  3. Run:
aktar login

and paste the token when asked. It's checked against Aktar and saved to ~/.config/aktar/cli.json (%APPDATA%\aktar\cli.json on Windows), readable only by you. You can also pipe it in (pbpaste | aktar login) or set AKTAR_TOKEN (and AKTAR_PORT if you changed the port) instead.

Usage

aktar upload report.pdf                     # prints the link
aktar upload *.png -f markdown              # one Markdown image per file
aktar upload build.zip -d Builds            # pick a destination by name or ID
aktar upload notes.txt --folder docs/2026   # keep the name, upload into a folder
aktar upload IMG_4021.jpg --name cover      # upload as cover.jpg
aktar upload log.txt --expires 7            # delete after 7 days
aktar upload --clipboard                    # the file or image on the clipboard
aktar upload demo.mp4 --qr                  # the link and a QR code to open it on your phone
aktar upload photo.jpg --json               # full details as JSON

aktar status                                # which Aktar and destination you're connected to
aktar destinations                          # list destinations (* marks the selected one)
aktar history invoice -n 5                  # search recent uploads
aktar replace 0B6C2F8E-3D1A-4C55-9E2B-7A41D0C3E9F1 v2.png  # new file, same link
aktar replace docs/guide.pdf guide.pdf -d Docs  # replace a key in a destination's bucket
aktar qr https://example.com                # a QR code of any link or text
aktar qr 0B6C2F8E-3D1A-4C55-9E2B-7A41D0C3E9F1  # a QR code of an upload in history

Without -d, files go to the destination selected in Aktar's menu bar. Uploads show up in Aktar's history like any other.

--format chooses what's printed: url (default), markdown, html, or custom (your template from Aktar). --expires takes 1, 7, 14 or 30 days and needs Aktar's auto-delete rules on that destination; without it, files are kept.

--name uploads a single file under another name: it's what {filename} and {ext} in the destination's path template become, and what Aktar's history shows. If the name has no extension, the file's own is added (--name cover uploads IMG_4021.jpg as cover.jpg); if it has one, it's used as given. With --folder, it's the name inside the folder.

If the same file (same contents, destination and expiry) is already in the bucket, Aktar doesn't upload it again and gives you the existing link. aktar prints the link as usual and notes it on stderr (aktar: photo.jpg: already uploaded, reused the existing link), so scripts reading stdout still get one link per file. This needs Aktar for Mac 0.10.0 or Windows 0.3.0.

QR codes

aktar upload --qr prints a QR code under each link, so you can open it on your phone. The QR code is always of the link itself, whatever --format prints. It's drawn black on white in the terminal, whatever its theme; when the output isn't a terminal, or NO_COLOR is set, it's drawn without colors (light modules as blocks), which phone cameras read on a light or dark background. --qr can't be combined with --json.

aktar qr <text> shows the QR code of any link or text; quote text with spaces. Given an upload ID from aktar history --json, it shows that upload's link and its QR code. --png <file> saves the QR code as a PNG instead:

aktar qr https://files.example.com/2026/09/7f3c2a91.png --png link.png

What Aktar does for you

The app does the work per destination, so the CLI needs nothing extra for it:

  • Converting images to WebP or AVIF, if the destination is set to
  • {md5} and {sha256} in path templates, to name files by their contents
  • Big files: past 5 GB, Aktar uploads in parts and resumes after a dropped connection. aktar streams the file to the app, so its size doesn't matter

The link aktar prints is the one for the file as stored, after any conversion.

JSON output

aktar upload --json prints an array with one entry per uploaded file:

[
  {
    "id": "0B6C…",
    "filename": "photo.jpg",
    "objectKey": "2026/09/7f3c2a91.jpg",
    "url": "https://files.example.com/2026/09/7f3c2a91.jpg",
    "destinationId": "5D1A…",
    "destinationName": "Screenshots",
    "mimeType": "image/jpeg",
    "size": 482113,
    "createdAt": "2026-09-30T12:00:00Z",
    "expiresAt": null,
    "formats": { "url": "…", "markdown": "…", "html": "…", "custom": "…" },
    "reused": false
  }
]

reused is true when nothing was uploaded because the file was already there; older versions of Aktar leave it out.

Exit codes

CodeMeaning
0Everything worked
1At least one upload or request failed (the others still went through)
2Bad arguments, or a file that doesn't exist (nothing was uploaded)
3Not logged in, Aktar isn't running, its local API is off, or the token is wrong

AI agents (MCP and skill)

MCP server

aktar mcp runs a Model Context Protocol server, so Claude, Cursor, VS Code, Codex and other agents can upload through Aktar, find past uploads and make links. Connect Aktar first (aktar login), then add it to your agent:

claude mcp add aktar -- aktar mcp            # Claude Code
codex mcp add aktar -- aktar mcp             # Codex

For Claude Desktop, Cursor, VS Code and others that take a JSON config:

{
  "mcpServers": {
    "aktar": { "command": "aktar", "args": ["mcp"] }
  }
}

Without a global install, use "command": "npx", "args": ["-y", "@getaktar/cli", "mcp"].

ToolWhat it does
upload_fileUpload a file (destination, name, folder, expiry optional) and return its link, Markdown and HTML
upload_clipboardUpload what's on the clipboard
replace_fileWrite a new file over an upload, keeping its link (Mac 0.14.0 / Windows 0.7.0)
search_uploadsSearch upload history
list_destinationsDestinations and what file types each is used for
list_bucketBrowse a bucket's folders and files
create_temporary_linkA link that stops working after a while (presigned URL)
get_thumbnailA preview image of an upload (Mac 0.13.0 / Windows 0.6.0)
list_watched_foldersWatched folders and their status
get_statusCheck the connection
delete_uploadDelete an upload from its bucket (only with --allow-delete)

Uploading publishes a file, so keep an eye on what your agent sends. Your agent asks before calling a tool unless you allow it, and these options narrow what the server can do:

  • --root <folder>: only upload files from this folder (repeat for more). Paths are resolved, symlinks included, before they're checked.
  • --read-only: only the tools that change nothing (search, list, links, thumbnails).
  • --allow-delete: also offer delete_upload, which is left out by default.
claude mcp add aktar -- aktar mcp --root ~/Projects --root ~/Desktop

The server speaks both the current per-request protocol (2026-07-28) and the earlier initialize versions (2024-11-05 to 2025-11-25).

Agent skill

Agents that use skills but not MCP can use the CLI directly. aktar skill prints a SKILL.md that teaches them how:

mkdir -p ~/.claude/skills/aktar && aktar skill > ~/.claude/skills/aktar/SKILL.md

Typora

In Typora, open Settings > Image > Image Upload, choose Custom Command and enter:

aktar upload

Typora passes the image paths and reads one link per line. Click Test Uploader to check it.

Links

License

MIT

Installation

Source-derived launch command. Check the maintainer’s required arguments and credentials before running:

bash
npx -y @getaktar/cli

Set up in your AI client

Merge this template into ~/Library/Application Support/Claude/claude_desktop_config.json. Keep existing servers. Add any arguments, credentials, and permissions required by the maintainer; this template has not been install-tested.

json
{
  "mcpServers": {
    "io-github-getaktar-aktar": {
      "command": "npx",
      "args": [
        "-y",
        "@getaktar/cli"
      ]
    }
  }
}

Restart Claude Desktop completely for changes to take effect. Confirm the server appears connected in the client’s tool list, then try a read-only example from its documentation.

Claude Desktop setup reference

Package

@getaktar/clinpm

Compatible MCP Clients

Aktar works with any MCP-compatible client. Copy the config snippet from the Configuration section above and add it to the file shown for your client, then restart the application.

  • Claude Desktop~/Library/Application Support/Claude/claude_desktop_config.jsonRestart Claude Desktop completely for changes to take effect.
  • Cursor~/.cursor/mcp.jsonRestart Cursor for changes to take effect.
  • VS Code.vscode/mcp.jsonReload VS Code window for changes to take effect.
  • Windsurf~/.codeium/windsurf/mcp_config.jsonRestart Windsurf for changes to take effect.
  • Claude Code.mcp.jsonSave at the project root, then start Claude Code in that project and review the MCP server approval prompt. Keep real credentials out of shared files.

Learn More