MCP.Market

Derived MCP server

by adiaz0511·io.github.adiaz0511/derived·v0.2.0
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Inspect and safely clean local Xcode, Simulator, and XCTest storage.

B80/100grade B
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Safety scan
B80/100

full report

Adoption
New

0 stars

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If you have run it, two minutes of your experience saves the next person an afternoon.

Derived tools

No tool declarations could be read from the package source. They show once the server is installed.

Public scan report

scanner v0.1.9 · 2026-09-24 · same rubric, same numbers if you re-run it

no findings
  • –Code scanpackage could not be scannedn/a
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 32 days ago12/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 80/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Derived compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
80/100
higher than 60% of 48,273 servers

Install Derived in Claude Code, Cursor or VS Code

The registry entry has no remote endpoint or installable package.

What the publisher says

From the Derived repository's README, as published. We do not edit it. Read it on GitHub

Derived A native macOS menu-bar application for inspecting and removing storage created by Xcode, Simulator, and XCTest.

[!CAUTION]

Derived permanently deletes selected developer data instead of moving it to the Trash. Review the cleanup plan before confirming deletion.

Overview

Derived finds and removes storage created by Xcode, Simulator, and XCTest. It reports verified reclaimable space, keeps APFS clone sizes separate, and protects active or high-risk targets.

Use Derived through the macOS app, the derived CLI, or the local derived-mcp server. All three interfaces use the same scanner, path validation, and cleanup workflow. Derived runs locally and does not collect analytics.

Install the macOS app

Homebrew (recommended)

brew tap adiaz0511/derived
brew trust adiaz0511/derived
brew install --cask derived

The trust command is required once for the third-party tap.

Update the app with:

brew update
brew upgrade --cask derived

Disk image

  1. Download the DMG from the latest GitHub release.
  2. Open the disk image.
  3. Drag Derived.app to Applications.
  4. Open Derived from Applications.

Install the CLI and MCP server

The agent tools include the derived CLI, the derived-mcp server, and the derived-cleanup skill. The macOS app is not required.

Homebrew (recommended)

brew tap adiaz0511/derived
brew trust adiaz0511/derived
brew install --cask derived-tools
derived integrations install

derived integrations install detects Codex, Claude Code, and Cursor on the Mac. It registers the MCP server and installs the skill for each detected client.

Update the tools and refresh their integrations with:

derived integrations update

The CLI checks for new versions at most once per day during interactive commands. Update notices never appear in JSON or MCP output.

Disk image

The latest Derived DMG also includes Derived Agent Tools for installation without Homebrew.

  1. Open the DMG.
  2. Open Derived Agent Tools.
  3. Select Install for Codex.
  4. Restart Codex.

When the app and DMG-installed tools are both present, Derived offers to update the tools after an app update. Without the app, download the latest DMG and run Derived Agent Tools again.

MCPB installation

Clients that support MCPB bundles can install Derived-MCP-VERSION-macOS-universal.mcpb from the latest release. The MCPB contains the MCP server, but it does not install the derived CLI or portable skill.

Use Derived with coding agents

Check which clients are configured:

derived --version
derived integrations status

Then start a new session in Codex, Claude Code, or Cursor and ask:

Use $derived-cleanup to scan my developer storage.

See Agent Integrations for client-specific commands, manual configuration, and uninstallation.

Use the CLI

The CLI provides aligned tables for interactive use and JSON for scripts and agents.

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Derived: common questions

Is Derived MCP server safe?
Mostly: it is graded B (80/100). Read the Derived safety report
Does Derived need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Derived maintained?
The last commit was 71 days ago (2026-08-23). The latest release is v0.2.0.
What can I use instead of Derived?
Servers from other publishers that do the same job: XcodeBuildMCP MCP server.

Alternatives to Derived

Same job from other publishers: the closest match first, then the best rated.

  • XcodeBuildMCP
    XcodeBuildMCP provides tools for Xcode project management, simulator management, and app utilities.
    B