Atlas / MCP servers / matthewdcage / Cursor MCP Installer

Cursor MCP InstallerBLOCK

mcp/matthewdcage/cursor-mcp-installer

Installs MCPs in cursor for you, give it a git URL and let it rip

Verdict
BLOCK
Grade
D
Trust score
69 /100
Exposed tools
3 2r · 1w · 0d
Transport
stdio
License
MIT
Stars
77
01

Overview

From the repository's own README, as read at the audited commit. Badges and raw HTML are left out.

_   _ _   _ _____     _______ ____  ____    _    _     
| | | | \ | |_ _\ \   / / ____|  _ \/ ___|  / \  | |    
| | | |  \| || | \ \ / /|  _| | |_) \___ \ / _ \ | |    
| |_| | |\  || |  \ V / | |___|  _ < ___) / ___ \| |___ 
\___/|_| \_|___|  \_/  |_____|_| \_\____/_/   \_\_____|

__  __  ____ ____    ___ _   _ ____ _____  _    _     _     _____ ____  
|  \/  |/ ___|  _ \  |_ _| \ | / ___|_   _|/ \  | |   | |   | ____|  _ \ 
| |\/| | |   | |_) |  | ||  \| \___ \ | | / _ \ | |   | |   |  _| | |_) |
| |  | | |___|  __/   | || |\  |___) || |/ ___ \| |___| |___| |___|  _ < 
|_|  |_|\____|_|     |___|_| \_|____/ |_/_/   \_\_____|_____|_____|_| \_\

Install and configure MCP servers across all major AI clients with one command.

[](https://opensource.org/licenses/MIT) [](https://www.npmjs.com/package/universal-mcp-installer) [](https://github.com/anthropic-labs/model-context-protocol) [](https://www.npmjs.com/package/universal-mcp-installer)

🚀 NEW: Universal MCP Installer v1.0.0 — Complete rewrite of cursor-mcp-installer. Now supports 6 AI clients (Claude Desktop, Cursor, VS Code, OpenClaw, Claude Code, ChatGPT), cross-platform (macOS, Windows, Linux), real MCP handshake validation, and a branded web dashboard. Upgraded to MCP SDK 1.29.0.
**🖥
Read from source at commit 101a399111baOBSERVED · 2026-10-07
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02

Connect

Built from this server's own package name, version and transport as found in its source — not copied from anyone's documentation, so it cannot drift against a page we do not control.

claude-code
claude mcp add universal-mcp-installer -- npx -y [email protected]
claude-desktop
{
  "mcpServers": {
    "universal-mcp-installer": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ]
    }
  }
}
03

Exposed tools (3)

2 read · 1 write · 0 destructive.

ToolRiskDescription
detect_systemreadDetect the operating system, available runtimes (node, npm, uvx, python, git), and installed AI clients (Cursor, Claude Desktop, VS Code, OpenClaw, Claude Code)
install_mcp_serverwriteInstall an MCP server by package name (npm/uvx), git URL, or local path. Writes config to selected AI clients and validates via MCP handshake.
validate_mcp_serverreadValidate an MCP server by running the MCP handshake (initialize/initialized/tools-list). Returns health report.
04

Trust audit

BLOCKgrade D · trust 69/100 Do not install this without reading the findings. The audit found something that could harm you or your machine.

LayerWhat it checksResult
L0Provenance & inventoryPASS
L1Static analysis of the codeFAIL
L2Instruction surface (what it tells the agent)PASS
L3Class-specific surfacePASS
L4Behavioural (sandbox)SKIPPED

What the source does

Filesystem
none-observed
Network
declared (6 observation(s))
Shell
declared (1 observation(s))
Dependencies
not all pinned
Secrets in source
none-found

Findings (5)

HIGHCode injection · code.eval_exec · CWE-78, CWE-94, CWE-95
src/api/server.ts:163
exec(`${cmd} ${url}`, () => { /* ignore errors */ });
Why it matters. evaluates text as code
Fix. remove; use a parser or a dispatch table
LOWInsecure crypto · crypto.weak_hash · CWE-327, CWE-338
src/api/websocket.ts:27
.createHash('sha1')
LOWSupply chain · supply.unpinned · CWE-829, CWE-1357
dashboard/package.json
framer-motion, react, react-dom, @types/react, @types/react-dom, @vitejs/plugin-react, autoprefixer, postcss
Why it matters. 11 dependency range(s) float
Fix. pin exact versions or ship a lockfile
LOWSupply chain · supply.unpinned · CWE-829, CWE-1357
package.json
@modelcontextprotocol/sdk, zod, @types/node, typescript, vitest
Why it matters. 5 dependency range(s) float
Fix. pin exact versions or ship a lockfile
INFOInventory / provenance · inv.oversize · CWE-1104
assets/dashboard-screenshot.png
assets/dashboard-screenshot.png
Why it matters. 5207999 bytes not read

Gates applied: no_behavioural_pass.

Audited 2026-10-07 · audit v0.4.1 · source sha 101a399111bafull audit observations/trust-audit/mcp-server/matthewdcage__cursor-mcp-installer.json · Report an issue / request a re-scan
05

Audit history

Every audit this server has had. A grade with a past is a grade somebody is still checking.

DateSourceVerdictGradeScoreChange
2026-10-07101a399111baBLOCKD69first audit
06

Questions

What is the Cursor MCP Installer MCP server?

Installs MCPs in cursor for you, give it a git URL and let it rip

What tools does Cursor MCP Installer expose?

3 in total: 2 read-only, 1 that write, and 0 that can delete or overwrite. Every one is listed on this page with its risk.

Is Cursor MCP Installer safe to connect to an agent?

No — not without reading the findings first. The audit graded it D (69/100) and found 1 critical or high issue in the source. Each one is listed on this page with the file and line it is on.

What credentials does Cursor MCP Installer need?

No credential environment variables were found in its source, so it appears to need none.

How does Cursor MCP Installer run?

It speaks stdio, so it runs as a local process your client starts. It is published on npm as universal-mcp-installer at 1.0.0.

How current is this page?

The grade is for one exact copy of the source (101a399111ba), read on 2026-10-07. The repository is watched and re-audited when it changes.

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