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subio-mcp

MCP server · GitHub · ★ 35 · graded 2026-10-19Source linked

MCP server that scrapes public posts from X, LinkedIn and Hacker News in a local browser that is never signed in

No outside reports on file

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

Based on public adoption and transparency signals as of Oct 19, 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 sourceGitHub (alijancb/subio-mcp)PUBLIC

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

Install

No npm or PyPI package is listed. Install from source: github.com/alijancb/subio-mcp ↗

All setup options ↓

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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: D (from public signals such as stars and downloads, not a code review). Graded 2026-10-19.

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 Subio MCP

Subio MCP is an MCP server focused on Web & browsing and Cloud & infrastructure: MCP server that scrapes public posts from X, LinkedIn and Hacker News in a local browser that is never signed in.

It is hosted on GitHub at alijancb/subio-mcp (35 GitHub stars). 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.

No npm or PyPI package is listed for this MCP server. Source code and setup steps: github.com/alijancb/subio-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

19/100
GitHub stars
35
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.

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 GitHub (alijancb/subio-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 Subio MCP?

Subio MCP does not publish a standalone npm or PyPI package. Clone or follow the setup instructions in its source repository at github.com/alijancb/subio-mcp.

Are there security reports about Subio MCP?

No reports found for this package in our research (last checked 2026-10-30). Subio MCP 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 Subio MCP actively maintained?

Subio MCP has 35 GitHub stars. Our directory data was last refreshed on 2026-10-29. Check recent commit activity, release tags, and open issues at github.com/alijancb/subio-mcp before pinning it in production.

What are alternatives to Subio MCP?

You can compare Subio MCP 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 Subio MCP? 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 Subio MCP

GitHub README Markdown:

markdown
[![AgentArmorHQ Risk Grade for Subio MCP](https://agentarmorhq.com/api/badge/alijancb-subio-mcp)](https://agentarmorhq.com/skills/alijancb-subio-mcp)

HTML embed:

html
<a href="https://agentarmorhq.com/skills/alijancb-subio-mcp"><img src="https://agentarmorhq.com/api/badge/alijancb-subio-mcp" alt="AgentArmorHQ Risk Grade for Subio MCP" height="20" /></a>

Terminal check:

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

Share with your security lead

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

### AgentArmorHQ Security Review Memo: subio-mcp
- **Listing URL:** https://agentarmorhq.com/skills/alijancb-subio-mcp
- **Type:** App connector
- **Risk Grade:** Grade D (High risk signals)
- **Outside Security Advisories on File:** 0
- **Public Adoption:** 35 GitHub stars

#### 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:** GitHub (alijancb/subio-mcp)

#### Recommended Hardened Setup
- **Source Repo:** https://github.com/alijancb/subio-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 19, 2026. Our opinion, not a code audit or security guarantee._

Key facts

Type
App connector
Publisher
alijancb
Source code
github.com/alijancb/subio-mcp
Est. context load
~850 tokens / turn (~5 tool schemas, 0.43% of 200k context)
Popularity
35 GitHub stars
Last updated
2026-10-29
Last graded
2026-10-19

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