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Nullprint

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

Create, launch, check and drive Nullprint multi-profile browser profiles from any MCP agent.

No outside reports on file

Nullprint fetches arbitrary web URLs; restrict its folder reach, network access, and credentials before installing.

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

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What it can access

  • Local filesNo local folder access notedLOW
  • Command executionNo shell command runner notedLOW
  • Network reachFetches arbitrary web URLsREVIEW
  • CredentialsNo API token requiredLOW
  • Package sourcenpm (nullprint-mcp)PUBLIC

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

Install

npx -y nullprint-mcp

All setup options ↓

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About Nullprint

Nullprint is an MCP server focused on Web & browsing and Files & documents: Create, launch, check and drive Nullprint multi-profile browser profiles from any MCP agent.

It is published on npm as nullprint-mcp and published on PyPI as nullprint-mcp and hosted on GitHub at nullprintai/nullprint-mcp. Based on its public metadata, its operational scope includes: fetches arbitrary web urls.

Setup

These use the package this listing points to. Check the project’s own instructions before running anything.

npm command

npx -y nullprint-mcp

PyPI command

uvx nullprint-mcp

PyPI (pip) command

pip install nullprint-mcp

MCP client config

For Claude Desktop (claude_desktop_config.json) or Cursor (.cursor/mcp.json).

json
{
  "mcpServers": {
    "nullprint-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "nullprint-mcp"
      ]
    }
  }
}

Why this grade

DD — High risk signals

Signal-based grade (1/7 points): public source code. This reflects adoption and transparency, not a code review.

Popularity and upkeep

8/100
Listing last refreshed
2026-10-29

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

Security reports

No reports found for this package in our research (last checked 2026-10-29).

Check a specific version →

Risks to watch for

  • Untrusted web content & prompt injection: Fetches arbitrary web pages or remote endpoints where hidden instructions could manipulate agent behavior. Restrict outbound domains and review tool outputs.
  • Dependency & version pinning: Distributed via npm (nullprint-mcp). 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 Nullprint?

Run npx -y nullprint-mcp (or uvx nullprint-mcp) 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/nullprintai/nullprint-mcp.

Are there security reports about Nullprint?

No reports found for this package in our research (last checked 2026-10-29). Nullprint currently holds Grade D (High risk signals) based on public adoption and transparency signals. Review the permissions and source repository before granting access to local files, shell commands, or API keys.

Is Nullprint actively maintained?

We do not have star or download counts on file for Nullprint yet (listing refreshed 2026-10-29). Check the commit history and open issues at github.com/nullprintai/nullprint-mcp before relying on it.

What are alternatives to Nullprint?

You can compare Nullprint side by side with other Browser MCP servers in the Related tools section on this page, or use the Compare tool on AgentArmorHQ.

README badge and team notes

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

AgentArmorHQ Risk Grade D for Nullprint

GitHub README Markdown:

markdown
[![AgentArmorHQ Risk Grade for Nullprint](https://agentarmorhq.com/api/badge/nullprintai-nullprint-mcp)](https://agentarmorhq.com/skills/nullprintai-nullprint-mcp)

HTML embed:

html
<a href="https://agentarmorhq.com/skills/nullprintai-nullprint-mcp"><img src="https://agentarmorhq.com/api/badge/nullprintai-nullprint-mcp" alt="AgentArmorHQ Risk Grade for Nullprint" height="20" /></a>

Terminal check:

terminal
curl -fsSL https://agentarmorhq.com/api/cli | node --input-type=module - check "nullprintai-nullprint-mcp"

Share with your security lead

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

### AgentArmorHQ Security Review Memo: Nullprint
- **Listing URL:** https://agentarmorhq.com/skills/nullprintai-nullprint-mcp
- **Type:** App connector
- **Risk Grade:** Grade D (High risk signals)
- **Outside Security Advisories on File:** 0

#### Permission & Blast-Radius Signals
- **Local files:** No local folder access noted
- **Command execution:** No shell command runner noted
- **Network reach:** Fetches arbitrary web URLs
- **Credentials:** No API token required
- **Package source:** npm (nullprint-mcp)

#### Recommended Hardened Setup
- **Command:** `npx -y --ignore-scripts nullprint-mcp`
- **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
nullprintai
Source code
github.com/nullprintai/nullprint-mcp
Install command
npm install nullprint-mcp
Est. context load
~550 tokens / turn (~3 tool schemas, 0.27% of 200k context)
Last updated
2026-10-29
Last graded
2026-10-24

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