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PopNx MCPMCP servers for people who use AI · explained in plain words

Transloadit Media Processing

by transloaditversion 0.8.6i★ –iComputer or cloud
Registry nameio.github.transloadit/mcp-server

Install

Overview

Description from the maker (original English)

Process video, audio, images and documents with Transloadit Robots. Connect by URL with OAuth.

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

  • Connection: Computer or cloud
  • Transport: stdio, Streamable HTTP
  • Category: Design, images & audio
  • You need to fill in: TRANSLOADIT_KEY, TRANSLOADIT_SECRET

Install

Pick the AI app you use, then copy the settings.

Before you install

  • Basic checks: 3 of 3 passed
  • Runs on the maker’s server: what you ask it goes through their server.
  • You fill in yourself: TRANSLOADIT_KEY, TRANSLOADIT_SECRET

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

  • Runs in the cloudNothing to install; it connects over the internet
  • npmNode.js installed (for the npx command)

Which app do you use?

Pick your app above. We remember it, so next time the button says “Install in …”.

Works in Claude on the web, desktop and mobile:

  1. Open Settings → Connectors
  2. Press Add custom connector
  3. Paste the address below and press Add
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Add2https://…3
https://api2.transloadit.com/mcp

Or run it on your computer

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "transloadit": {
      "command": "npx",
      "args": [
        "-y",
        "@transloadit/mcp-server",
        "stdio"
      ],
      "env": {
        "TRANSLOADIT_KEY": "your-value",
        "TRANSLOADIT_SECRET": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add --transport http transloadit https://api2.transloadit.com/mcp

Or run it on your computer

claude mcp add transloadit --env TRANSLOADIT_KEY=your-value --env TRANSLOADIT_SECRET=your-value -- npx -y @transloadit/mcp-server stdio

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "transloadit": {
      "url": "https://api2.transloadit.com/mcp"
    }
  }
}

Or run it on your computer

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "transloadit": {
      "command": "npx",
      "args": [
        "-y",
        "@transloadit/mcp-server",
        "stdio"
      ],
      "env": {
        "TRANSLOADIT_KEY": "your-value",
        "TRANSLOADIT_SECRET": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "transloadit": {
      "type": "http",
      "url": "https://api2.transloadit.com/mcp"
    }
  }
}

Or run it on your computer

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "transloadit": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@transloadit/mcp-server",
        "stdio"
      ],
      "env": {
        "TRANSLOADIT_KEY": "your-value",
        "TRANSLOADIT_SECRET": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

ChatGPT connects only to servers on the internet:

  1. Open ChatGPT on the web → Settings → Connectors (Apps)
  2. Press Create or Add (some plans need Developer mode under Advanced first)
  3. Paste the address below, give it a name and save
  4. If it asks you to sign in, sign in with the maker
SettingsConnectors1+ Create2https://…3
https://api2.transloadit.com/mcp

Menu names can differ slightly by plan and over time.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

  • TRANSLOADIT_KEY required env
    Your Transloadit Auth Key from https://transloadit.com/c/-/api-credentials
  • TRANSLOADIT_SECRET secret required env
    Your Transloadit Auth Secret from https://transloadit.com/c/-/api-credentials

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

The server asks you to sign in before it lists its tools.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 6, 2026

  • ✓ Pass

    Maker matches the repo

    The registry name was verified with the GitHub account transloadit, which owns the repo

  • … Not checked yet

    Still maintained

    We have not read this repo from GitHub yet

  • … Not checked yet

    Has a licence

    We have not read this repo from GitHub yet

  • ✓ Pass

    Endpoint responds

    Responded in 434 ms (HTTP 401)

  • ✓ Pass

    Sign-in with OAuth

    Declares OAuth sign-in, so your AI app can take you to log in

  • … Not checked yet

    No hidden instructions in tool descriptions

    Not checked yet; we read the tool list when we check the endpoint

Compared with others in Design, images & audioi

  • More stars than 0% of the other 2169 servers in this category
  • Published to the registry more recently than 98% of the other 2169 servers in this category
  • Basic checks equal to or better than 100% of the other 2169 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is Transloadit Media Processing safe?

It passed 3 of 3 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: TRANSLOADIT_KEY, TRANSLOADIT_SECRET

Does it run on my computer or in the cloud?

Either way works: install it on your computer or connect to the cloud version.

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.8.6) reached the registry yesterday.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. It connects by URL, so apps that accept remote MCP servers work too, such as ChatGPT in developer mode.

What can I use instead?

In the same category: Figma Context MCP, Claude Real Video, Figma MCP Server

Alternatives

Servers in the same category from other makers, sorted by stars.

Reading a card:★ GitHub starsiThree pillars: reviews · checks · usageiUpdated = latest version published to the registryi

Give your coding agent access to your Figma data. Implement designs in any framework in one-shot.

Runs on your computer★ 16,165MITUpdated 5 months ago
Install

Claude Real Video

by HUANGCHIHHUNGLeo

Let any LLM watch a video locally — and search everything it has ever watched.

Runs on your computer★ 2,284MITUpdated 2 months ago
Install

Figma’s official server gives AI your design data so it can turn designs into code or describe them accurately. Connects to Figma’s cloud.

Runs in the cloud★ 2,152Updated 13 months ago
Install

README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

@transloadit/mcp-server

Transloadit MCP Server (Streamable HTTP + stdio), built on top of @transloadit/node.

Connect by URL (recommended)

The hosted server lives at:

https://api2.transloadit.com/mcp

Add it to your MCP client by URL. The client discovers API2 as the OAuth authorization server, opens a browser consent page in the Transloadit Console, and keeps a short-lived token plus refresh token for you. No API keys leave your Workspace.

The hosted endpoint asks you to sign in before any tool runs, Robot docs and linting included, because MCP clients only start OAuth when the endpoint challenges them. Robot docs and linting ask for no scopes. To use them without an account, run the server yourself (see Self-hosted).

Claude Code
claude mcp add --transport http transloadit https://api2.transloadit.com/mcp

claude mcp login transloadit

For non-interactive runs (for example claude -p), explicitly allow MCP tools:

claude -p "List templates" \

--allowedTools mcptransloadit* \ --output-format json

Claude.ai and Claude Desktop

Settings → Connectors → Add custom connector → enter https://api2.transloadit.com/mcp. Claude registers itself with API2 and opens the consent page.

ChatGPT

Settings → Apps & Connectors → Advanced → Developer mode → Create, then enter the URL above with authentication set to OAuth. Files you attach in the chat are handed to transloadit_create_assembly as attachments; results render in the Assembly result widget.

The plugin manifest for the ChatGPT and Codex catalog (plugin.json, mcp.json and the .codex-plugin/plugin.json fallback) lives in this package directory. It points at the hosted server and at the Agent Skills catalog at https://transloadit.com/.well-known/skills/index.json instead of bundling skill files.

Codex
codex mcp add transloadit --url https://api2.transloadit.com/mcp

Codex opens the consent page right away. To sign in again later, run codex mcp login transloadit.

Or in ~/.codex/config.toml:

[mcp_servers.transloadit]

url = "https://api2.transloadit.com/mcp"

Cursor

~/.cursor/mcp.json:

{

"mcpServers": { "transloadit": { "url": "https://api2.transloadit.com/mcp" } } }

MCP Inspector
npx @modelcontextprotocol/inspector --cli https://api2.transloadit.com/mcp

CI and headless agents

Where no browser is available, mint a bearer token from an Auth Key and pass it as Authorization: Bearer :

npx -y @transloadit/node auth token --aud mcp

Generate this token in a trusted environment (backend, CI, or local shell), then hand it to the agent runtime. You can mint it via:

  • CLI: npx -y @transloadit/node auth token --aud mcp
  • API: POST https://api2.transloadit.com/token (HTTP Basic Auth with key/secret)
  • Node SDK: instantiate Transloadit with authKey + authSecret, then call client.mintBearerToken({ aud: 'mcp' })

Interactive CLI sessions can also run npx -y @transloadit/node auth login (device flow) and reuse the stored credentials.

Bearer tokens satisfy signature auth on API2 requests; signature checks apply to key/secret requests.

Self-hosted

Run the server where your agent runs, set TRANSLOADIT_KEY and TRANSLOADIT_SECRET, and the server handles API auth automatically.

Install
npm install @transloadit/mcp-server
Stdio
TRANSLOADIT_KEY=MY_AUTH_KEY TRANSLOADIT_SECRET=MY_SECRET_KEY npx -y @transloadit/mcp-server stdio

Auth Keys sign with one HMAC algorithm. Keys created in the Console with "Allow signing Smart CDN URLs" (the default) require sha256, so add TRANSLOADIT_SIGNATURE_ALGORITHM=sha256, as the Console's snippet for the key shows. Other keys use the default sha384. A mismatch fails with mcp_invalid_signature, and its hint names the algorithm the key requires.

HTTP
TRANSLOADIT_KEY=MY_AUTH_KEY TRANSLOADIT_SECRET=MY_SECRET_KEY \

npx -y @transloadit/mcp-server http --host 127.0.0.1 --port 5723

When binding HTTP mode to non-localhost hosts, TRANSLOADIT_MCP_TOKEN (or the hosted-mode TRANSLOADIT_MCP_RESOURCE_METADATA_URL) is required.

Docker
docker run -i --rm \

-e TRANSLOADIT_KEY=MY_AUTH_KEY \ -e TRANSLOADIT_SECRET=MY_SECRET_KEY \ ghcr.io/transloadit/mcp-server:latest

For HTTP mode via Docker, override the stdio entrypoint, expose the port, and set a transport token, which binding to 0.0.0.0 requires:

export TRANSLOADIT_MCP_TOKEN="$(openssl rand -hex 32)"

docker run --rm \ -e TRANSLOADIT_KEY=MY_AUTH_KEY \ -e TRANSLOADIT_SECRET=MY_SECRET_KEY \ -e TRANSLOADIT_MCP_TOKEN \ -p 5723:5723 \ --entrypoint transloadit-mcp \ ghcr.io/transloadit/mcp-server:latest \ http --host 0.0.0.0 --port 5723

TRANSLOADIT_MCP_TOKEN explained

TRANSLOADIT_MCP_TOKEN is a self-hosted MCP transport token. It protects your own HTTP MCP endpoint (npx -y @transloadit/mcp-server http), not API2.

  • Set it yourself to any high-entropy secret.
  • Send it from your MCP client as Authorization: Bearer .
  • It is not minted via /token.
  • It is separate from API2 Bearer tokens used for https://api2.transloadit.com/mcp.

Generate one, then start HTTP mode:

export TRANSLOADIT_MCP_TOKEN="$(openssl rand -hex 32)"

npx -y @transloadit/mcp-server http --host 0.0.0.0 --port 5723

Self-hosted client setup

Most self-hosted users add the server to their MCP client and let the client start it via stdio.

Claude Code
claude mcp add --transport stdio transloadit \

--env TRANSLOADIT_KEY=... \ --env TRANSLOADIT_SECRET=... \ -- npx -y @transloadit/mcp-server stdio

Codex CLI
codex mcp add transloadit \

--env TRANSLOADIT_KEY=... \ --env TRANSLOADIT_SECRET=... \ -- npx -y @transloadit/mcp-server stdio

Allowlist tools in ~/.codex/config.toml:

[mcp_servers.transloadit]

command = "npx" args = ["-y", "@transloadit/mcp-server", "stdio"] enabled_tools = ["transloadit_list_templates"]

Gemini CLI
gemini mcp add --scope user transloadit npx -y @transloadit/mcp-server stdio \

--env TRANSLOADIT_KEY=... \ --env TRANSLOADIT_SECRET=...

Allowlist tools in ~/.gemini/settings.json:

{

"mcpServers": { "transloadit": { "command": "npx", "args": ["-y", "@transloadit/mcp-server", "stdio"], "env": { "TRANSLOADIT_KEY": "...", "TRANSLOADIT_SECRET": "..." }, "includeTools": ["transloadit_list_templates"] } } }

Cursor

~/.cursor/mcp.json:

{

"mcpServers": { "transloadit": { "command": "npx", "args": ["-y", "@transloadit/mcp-server", "stdio"], "env": { "TRANSLOADIT_KEY": "...", "TRANSLOADIT_SECRET": "..." } } } }

OpenCode

~/.config/opencode/opencode.json:

{

"mcp": { "transloadit": { "command": "npx", "args": ["-y", "@transloadit/mcp-server", "stdio"], "env": { "TRANSLOADIT_KEY": "...", "TRANSLOADIT_SECRET": "..." } } } }

Auth model

Hosted (https://api2.transloadit.com/mcp)
  • Requests without a bearer token get 401 with WWW-Authenticate: Bearer resource_metadata="https://api2.transloadit.com/.well-known/oauth-protected-resource/mcp". MCP clients follow that document to API2's authorization server (authorization code + PKCE, Dynamic Client Registration or Client ID Metadata Documents).
  • This includes a bare GET /mcp, because some clients (Codex) discover the authorization server from that probe. Directory health checks therefore see 401 instead of 200; the JSON body still carries name, status and docs. Self-hosted and unauthenticated deployments keep answering the bare GET with 200.
  • Bearer tokens (OAuth or minted with --aud mcp) are forwarded to API2, which verifies them on every call. A rejected or expired token yields a tool result with isError and _meta["mcp/www_authenticate"], so ChatGPT and Claude prompt you to reconnect.
  • Each tool declares securitySchemes (top level and in _meta). Because the hosted endpoint challenges every unauthenticated request, all tools declare oauth2 there; the Robot docs and linting tools ask for no scopes.
  • A rejected or expired key/secret on a self-hosted server is reported as mcp_credentials_rejected without an OAuth challenge, since only an operator can fix it.
  • Browser requests must come from ChatGPT, Claude, Transloadit or loopback origins; requests without an Origin header (CLIs, servers) are not restricted. Set allowedOrigins to change the list.
  • TRANSLOADIT_MCP_UPSTREAM_SECRET is set by Transloadit's own deployment so API2 can tell that a relayed aud=mcp token arrives from the hosted service; it is not needed for self-hosting. Hosted mode refuses to start without it, because every authenticated call would fail.
Self-hosted
  • Stdio and localhost HTTP need no MCP auth by default.
  • Non-localhost HTTP requires TRANSLOADIT_MCP_TOKEN (a static secret you define).
  • Live Transloadit API calls use:
  • incoming Bearer token from MCP request headers, or
  • TRANSLOADIT_KEY + TRANSLOADIT_SECRET.

Configuration

Environment variables
  • TRANSLOADIT_KEY
  • TRANSLOADIT_SECRET
  • TRANSLOADIT_SIGNATURE_ALGORITHM (optional, sha1, sha256 or sha384, default sha384; must match the Auth Key)
  • TRANSLOADIT_MCP_TOKEN
  • TRANSLOADIT_MCP_RESOURCE_METADATA_URL (hosted mode: protected-resource metadata URL to advertise in 401 challenges)
  • TRANSLOADIT_MCP_UPSTREAM_SECRET (hosted mode only, set by Transloadit's deployment; sent to API2 as Transloadit-Mcp-Upstream next to forwarded bearer tokens)
  • TRANSLOADIT_MCP_RESULT_DOMAINS (optional, comma-separated origins the result widget may load previews from and link to, either exact such as https://tmp-us-east-1.transloadit.net or with a wildcard host; default https://*.transloadit.com,https://*.transloadit.net,https://*.r2.dev)
  • TRANSLOADIT_MCP_WIDGET_DOMAIN (optional, default https://transloadit.com; the origin ChatGPT serves the result widget from, sent as _meta["openai/widgetDomain"])
  • TRANSLOADIT_MCP_CONSOLE_URL (optional, default https://transloadit.com; Console origin for widget deep links)
  • TRANSLOADIT_ENDPOINT (optional, default https://api2.transloadit.com)
  • TRANSLOADIT_MCP_METRICS_PATH (optional, default /metrics)
  • TRANSLOADIT_MCP_METRICS_USER (optional)
  • TRANSLOADIT_MCP_METRICS_PASSWORD (optional)
CLI flags
  • npx -y @transloadit/mcp-server http --host 127.0.0.1 --port 5723
  • npx -y @transloadit/mcp-server http --endpoint https://api2.transloadit.com
  • npx -y @transloadit/mcp-server http --config path/to/config.json

The JSON config accepts the same keys as createTransloaditMcpHttpHandler(), including allowedOrigins, resourceMetadataUrl, signatureAlgorithm, resultDomains, widgetDomain and consoleUrl.

Tool surface

ToolAccountOAuth scopesNotes
transloadit_lint_assembly_instructionsnononeread-only
transloadit_list_robotsnononeread-only
transloadit_get_robot_helpnononeread-only

| transloadit_create_assembly | yes | assemblies:write, templates:read | destructive, open-world (URL imports),

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