Unified Codex + Claude tutorial · process

How to remove a video background with Medux MCP

Learn to remove a video background with the Medux API through Codex or Claude MCP. Check inputs, tool calls, task status, and output.

POST/api/app/v1/process/video/background_removal

Create a video processing task that removes the background from an uploaded video.

Open the Create Video Background Removal API reference →
Choose your AI client

Follow the Codex or Claude workflow

The Medux operation and request fields are shared. Switch tabs for the client-specific prompt, approval pattern, screenshots, and walkthrough.

Codex-specific workflow

Run Remove a Video Background as a Codex MCP task

Use the active workspace as the source of truth. Ask Codex to identify the source video file ID and supported output settings, select medux_video_remove_background, and keep the Medux task ID and returned output with the rest of the project. Naming the input roles and the expected result prevents an agent from guessing which file should be used where.

Codex prompt pattern

In this workspace, use medux_video_remove_background through Medux MCP to remove a video background.
First inspect and identify the source video file ID and supported output settings.
Show me the exact tool arguments before execution.
After the task completes, return the background-removed video and verify that the main subject is retained through the clip and the full output plays correctly.

Approval gate

Before approving the call, compare the selected tool, file or asset IDs, ordering, timing, and output settings with the request. If a local filename was mapped to an uploaded Medux file ID, keep that mapping visible so it can be audited later.

Result verification

Let Codex monitor an asynchronous task until it reaches a terminal state, then save or report the background-removed video. The final check is explicit: confirm that the main subject is retained through the clip and the full output plays correctly.

What this tutorial does

Medux operation

Create a video processing task that removes the background from an uploaded video.

Agent workflow

Codex selects medux_video_remove_background, presents the arguments for review, calls Medux, and reports the response.

Before you start

Authentication

  • Authentication is required via Authorization header.

Preconditions

  • Requires a previously uploaded video asset.
  • Requires an existing video file id.

Prompt Codex

Start with a clear instruction that names the Medux operation and the intended inputs.

Remove the background from the uploaded source video {file id}.

Request fields to review

Confirm these values before approving the MCP tool call. The linked API page remains the source of truth for current limits and response semantics.

FieldTypeRequirementPurpose
file_idstringRequiredProvide the value described in the API reference.
region.heightint32OptionalProvide the value described in the API reference.
region.widthint32OptionalProvide the value described in the API reference.
region.xint32OptionalX coordinate of the region's top-left corner in pixels.
region.yint32OptionalY coordinate of the region's top-left corner in pixels.
titlestringOptionalProvide the value described in the API reference.

Step-by-step workflow

01

Connect Medux MCP to Codex

Add the Medux remote MCP endpoint to Codex, provide an authorized credential, and confirm that the medux_video_remove_background tool is available.

02

Prepare the required inputs

Prepare the source files, asset IDs, text, or settings required by the operation. Upload local media first when the tool requests file IDs.

03

Ask Codex to run Create Video Background Removal

Use one direct instruction with the intended values. Codex should select the Medux tool and show the proposed arguments before execution.

04

Review and approve the tool call

Check that the tool is medux_video_remove_background and that each file ID, task ID, option, and output setting matches your request before approving it.

05

Check the Medux response

If Medux returns an asynchronous task, let the agent monitor it until completion; otherwise review the immediate response and save any result identifiers or output URLs.

Workflow recap

User goal
  ↓
Codex selects medux_video_remove_background
  ↓
Review inputs and approve the tool call
  ↓
Medux runs Create Video Background Removal
  ↓
Codex reports the response and output

Frequently asked questions

Can Codex use the Medux Create Video Background Removal API through MCP?

Codex can call the medux_video_remove_background Medux MCP tool to create a video processing task that removes the background from an uploaded video. This guide covers the required inputs, approval flow, result handling, and the matching API reference.

Which MCP tool does this tutorial use?

This workflow uses medux_video_remove_background. Review its arguments before approval and consult the API reference for the current contract.

Claude-specific workflow

Run Remove a Video Background as a Claude MCP workflow

Keep the goal, source assets, and constraints together in the conversation. Ask Claude to restate the source video file ID and supported output settings before proposing medux_video_remove_background. That context checkpoint makes the file roles and desired outcome easy to correct before any Medux call is approved.

Claude prompt pattern

Using the assets and requirements in this conversation, help me remove a video background with Medux MCP.
Restate which input fulfills each role: the source video file ID and supported output settings.
Propose the medux_video_remove_background call and summarize its arguments before asking for approval.
When it finishes, return the background-removed video with a checklist confirming that the main subject is retained through the clip and the full output plays correctly.

Context checkpoint

Have Claude summarize the intended transformation, identify every source asset by role, and list the important constraints. Review that summary together with the proposed tool arguments; correct the conversation first if a file, order, time range, or setting is ambiguous.

Result verification

Keep the Medux task ID in the conversation while Claude checks progress. When processing ends, ask for the background-removed video plus a concise validation checklist confirming that the main subject is retained through the clip and the full output plays correctly.

What this tutorial does

Medux operation

Create a video processing task that removes the background from an uploaded video.

Agent workflow

Claude selects medux_video_remove_background, presents the arguments for review, calls Medux, and reports the response.

Before you start

Authentication

  • Authentication is required via Authorization header.

Preconditions

  • Requires a previously uploaded video asset.
  • Requires an existing video file id.

Prompt Claude

Start with a clear instruction that names the Medux operation and the intended inputs.

Remove the background from the uploaded source video {file id}.

Request fields to review

Confirm these values before approving the MCP tool call. The linked API page remains the source of truth for current limits and response semantics.

FieldTypeRequirementPurpose
file_idstringRequiredProvide the value described in the API reference.
region.heightint32OptionalProvide the value described in the API reference.
region.widthint32OptionalProvide the value described in the API reference.
region.xint32OptionalX coordinate of the region's top-left corner in pixels.
region.yint32OptionalY coordinate of the region's top-left corner in pixels.
titlestringOptionalProvide the value described in the API reference.

Step-by-step workflow

01

Connect Medux MCP to Claude

Add the Medux remote MCP endpoint to Claude, provide an authorized credential, and confirm that the medux_video_remove_background tool is available.

02

Prepare the required inputs

Prepare the source files, asset IDs, text, or settings required by the operation. Upload local media first when the tool requests file IDs.

03

Ask Claude to run Create Video Background Removal

Use one direct instruction with the intended values. Claude should select the Medux tool and show the proposed arguments before execution.

04

Review and approve the tool call

Check that the tool is medux_video_remove_background and that each file ID, task ID, option, and output setting matches your request before approving it.

05

Check the Medux response

If Medux returns an asynchronous task, let the agent monitor it until completion; otherwise review the immediate response and save any result identifiers or output URLs.

Workflow recap

User goal
  ↓
Claude selects medux_video_remove_background
  ↓
Review inputs and approve the tool call
  ↓
Medux runs Create Video Background Removal
  ↓
Claude reports the response and output

Frequently asked questions

Can Claude use the Medux Create Video Background Removal API through MCP?

Claude can call the medux_video_remove_background Medux MCP tool to create a video processing task that removes the background from an uploaded video. This guide covers the required inputs, approval flow, result handling, and the matching API reference.

Which MCP tool does this tutorial use?

This workflow uses medux_video_remove_background. Review its arguments before approval and consult the API reference for the current contract.

Quick answer

How do I remove a video background with Medux MCP?

Connect either Codex or Claude to Medux MCP, prepare the required inputs, review the proposed medux_video_remove_background call, and verify the returned result. The tabs above keep client-specific prompting on one canonical page.

Can I use the same Medux tool in Codex and Claude?

Yes. The client interaction differs, but both use the same Medux MCP tool and API request contract shown in this tutorial.

Related developer intent

Use AI agents to remove a video background

This tutorial addresses developer workflows for AI video background remover API and remove video background without green screen by making the task repeatable through the Medux API. Codex or Claude can prepare inputs, show the MCP tool arguments for approval, monitor processing, and return an output that can be checked against the original request.

This capability fits a broader AI video editing pipeline alongside video watermark removal, logo removal, object cleanup, resizing, and output validation for owned or authorized media.

Can Codex or Claude remove a video background through Medux MCP?

Yes. Use the client-specific tab above to prepare the inputs, review the Medux tool call, run the operation, and verify the returned result. The linked API reference remains the source of truth for supported fields and limits.

Production, trust, and developer intent

Apply rights-aware controls when you remove a video background

Use this as an authorized AI media processing workflow for remove a video background. Codex or Claude can expose the selected files, tool arguments, task status, and result checks, making the edit easier to review than an opaque one-click video operation.

Only process media you own or are permitted to modify. For production and commercial publishing, retain the source license or authorization, review the changed region, and record who approved the final output.

What should I verify before running an AI video editing API?

Verify ownership or permission, choose the operation that matches the requested edit, inspect the complete output, and keep the task record with the approved source file.