AgentArmorHQ
Sign in

open-mcp-apps

MCP server · npm · ★ 36 · graded 2026-10-24Source linked

Persistent, interactive MCP Apps for any MCP host: the AI builds an app once, you both reuse it — data outlives the conversation. Ships an engine, a 22-app App Store, and a hosted version at openmcp.app

No outside reports on file

open-mcp-apps is distributed via npm (@2nd1st/open-mcp-apps); review its source code, dependencies, and requested permissions before use.

Based on public adoption and transparency signals as of Oct 24, 2026. Our opinion, not a code audit or security guarantee.

Was this verdict for Open MCP Apps helpful?

What it can access

  • Local filesNo local folder access notedLOW
  • Command executionRuns shell or system commandsREVIEW
  • Network reachConnects to outside service APINOTED
  • CredentialsNo API token requiredLOW
  • Package sourcenpm (@2nd1st/open-mcp-apps)PUBLIC

Inferred from this listing’s public package details and description. Check the project’s source before installing.

Install

npx -y @2nd1st/open-mcp-apps

All setup options ↓

Check this skillWatch it in my stackCompareREADME badgeView project

Everything known

We found nothing about this project in the sources we read (last checked 2026-10-30). That does not mean it has no problems.

0 incidents · 0 advisories · 0 news articles · 0 community threads · checked 2026-10-30

Popularity grade: C (from public signals such as stars and downloads, not a code review). Graded 2026-10-24.

Sources we read: OSV, GitHub Advisory Database, CISA Known Exploited Vulnerabilities, 44 security news feeds and our incident library. Last checked 2026-10-30.

Check a specific version →

About Open MCP Apps

Open MCP Apps is an MCP server focused on Data & databases: Persistent, interactive MCP Apps for any MCP host: the AI builds an app once, you both reuse it — data outlives the conversation. Ships an engine, a 22-app App Store, and a hosted version at openmcp.app.

It is published on npm as @2nd1st/open-mcp-apps and hosted on GitHub at 2nd1st/open-mcp-apps (36 GitHub stars, 437 weekly npm downloads). Based on its public metadata, it operates with standard local or API scope without broad shell execution flags noted.

Setup

Check these steps against the project’s own instructions before running anything.

Run @2nd1st/open-mcp-apps with --ignore-scripts in claude_desktop_config.json or .cursor/mcp.json:

json
{
  "mcpServers": {
    "open-mcp-apps": {
      "command": "npx",
      "args": ["-y", "--ignore-scripts", "@2nd1st/open-mcp-apps"]
    }
  }
}

Why this grade

CC — Moderate risk signals

Signal-based grade (2/7 points): listed in several sources, public source code. This reflects adoption and transparency, not a code review.

Popularity and upkeep

44/100
GitHub stars
36
Weekly npm downloads
437
Listing last refreshed
2026-10-30

These are public popularity signals, not a maintenance check. Look at the repository’s commit history and open issues.

Risks to watch for

  • Dependency & version pinning: Distributed via npm (@2nd1st/open-mcp-apps). Pin an exact release version or commit SHA rather than floating tags so upstream updates are reviewed first.

How to lower the risk

Least-privilege permissions

  • Give it access only to the specific folders, accounts or projects it needs, never your whole drive or admin account.
  • Use a separate, limited API key or login just for this tool so you can switch it off without affecting anything else.

Network isolation

  • Run it on a work computer or sandbox account, not one holding personal or company-sensitive data.
  • If your IT team can, limit which websites and services it is allowed to contact.

Monitoring

  • Check its activity history or logs weekly at first, and look at what it changed or sent.
  • Turn on alerts for new logins or unusual usage on any account it connects to.

Red flags to watch for

  • It asks for more access than its job requires, or prompts you to paste passwords.
  • It suddenly updates with new owners, or starts contacting unfamiliar websites.

Questions

How do I install Open MCP Apps?

Run npx -y @2nd1st/open-mcp-apps in your terminal, or add the server entry to your claude_desktop_config.json or .cursor/mcp.json as shown in the Setup section on this page. Full setup docs and environment variables are in github.com/2nd1st/open-mcp-apps.

Are there security reports about Open MCP Apps?

No reports found for this package in our research (last checked 2026-10-30). Open MCP Apps currently holds Grade C (Moderate risk signals) based on public adoption and transparency signals. Key risk areas to watch include dependency & version pinning:.

Is Open MCP Apps actively maintained?

Open MCP Apps has 36 GitHub stars and 437 weekly npm downloads. Our directory data was last refreshed on 2026-10-30. Check recent commit activity, release tags, and open issues at github.com/2nd1st/open-mcp-apps before pinning it in production.

What are alternatives to Open MCP Apps?

Compare Open MCP Apps side by side with similar MCP servers in the Related tools section on this page, or browse all MCP servers on AgentArmorHQ.

README badge and team notes

Maintain or use Open MCP Apps? Show its live grade in your GitHub README, docs site, or run a check from the terminal before you install.

AgentArmorHQ Risk Grade C for Open MCP Apps

GitHub README Markdown:

markdown
[![AgentArmorHQ Risk Grade for Open MCP Apps](https://agentarmorhq.com/api/badge/2nd1st-open-mcp-apps)](https://agentarmorhq.com/skills/2nd1st-open-mcp-apps)

HTML embed:

html
<a href="https://agentarmorhq.com/skills/2nd1st-open-mcp-apps"><img src="https://agentarmorhq.com/api/badge/2nd1st-open-mcp-apps" alt="AgentArmorHQ Risk Grade for Open MCP Apps" height="20" /></a>

Terminal check:

terminal
curl -fsSL https://agentarmorhq.com/api/cli | node --input-type=module - check "2nd1st-open-mcp-apps"

Share with your security lead

Need sign-off to use open-mcp-apps? Copy this note for Slack, a ticket or a pull request.

### AgentArmorHQ Security Review Memo: open-mcp-apps
- **Listing URL:** https://agentarmorhq.com/skills/2nd1st-open-mcp-apps
- **Type:** App connector
- **Risk Grade:** Grade C (Moderate risk signals)
- **Outside Security Advisories on File:** 0
- **Public Adoption:** 36 GitHub stars, 437 weekly npm downloads

#### Permission & Blast-Radius Signals
- **Local files:** No local folder access noted
- **Command execution:** Runs shell or system commands
- **Network reach:** Connects to outside service API
- **Credentials:** No API token required
- **Package source:** npm (@2nd1st/open-mcp-apps)

#### Recommended Hardened Setup
- **Command:** `npx -y --ignore-scripts @2nd1st/open-mcp-apps`
- **Controls:** Pin an exact version in `.mcp.json`, scope access to a single workspace folder, and use a least-privilege read-only token where supported.

_Based on public adoption and transparency signals as of Oct 24, 2026. Our opinion, not a code audit or security guarantee._

Key facts

Type
App connector
Publisher
2nd1st
Source code
github.com/2nd1st/open-mcp-apps
Install command
npm install @2nd1st/open-mcp-apps
Est. context load
~550 tokens / turn (~3 tool schemas, 0.27% of 200k context)
Popularity
36 GitHub stars, 437 weekly npm downloads
Last updated
2026-10-30
Last graded
2026-10-24

Community

Discussions for Open MCP Apps

Ask questions or share configuration tips. Governed by our Community Rules & Terms.

No posts match this filter yet.

Be the first to ask a question or share a working tip.

Was this listing for Open MCP Apps helpful?

Check before you install, in Claude

Your assistant answers Block, Review or No known issues for any package before it installs it.

Get this check inside Claude