machine-bridge-mcp
Cross-client MCP bridge for local agent context, structured browser and application automation, files, Git, processes, resources, and durable jobs over stdio or OAuth relay.
No outside reports on file
machine-bridge-mcp fetches arbitrary web URLs and requires API keys or tokens; 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.
What it can access
- Local filesNo local folder access notedLOW
- Command executionNo shell command runner notedLOW
- Network reachFetches arbitrary web URLsREVIEW
- CredentialsRequires API key or tokenREVIEW
- Package sourcenpm (machine-bridge-mcp)PUBLIC
Inferred from this listing’s public package details and description. Check the project’s source before installing.
Install
npx -y machine-bridge-mcpEverything 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 2026-10-20.
Sources we read: OSV, GitHub Advisory Database, CISA Known Exploited Vulnerabilities, 44 security news feeds and our incident library. Last checked 2026-10-30.
About Machine Bridge MCP
Machine Bridge MCP is an MCP server focused on Developer tools and Web & browsing: Cross-client MCP bridge for local agent context, structured browser and application automation, files, Git, processes, resources, and durable jobs over stdio or OAuth relay.
It is published on npm as machine-bridge-mcp and hosted on GitHub at yuleifuyun/machine-bridge-mcp (1 GitHub stars, 521 weekly npm downloads, last repository push on 2026-10-23). Based on its public metadata, its operational scope includes: fetches arbitrary web urls, requires api key or token.
Setup
These use the package this listing points to. Check the project’s own instructions before running anything.
npm command
npx -y machine-bridge-mcpMCP client config
For Claude Desktop (claude_desktop_config.json) or Cursor (.cursor/mcp.json).
{
"mcpServers": {
"machine-bridge-mcp": {
"command": "npx",
"args": [
"-y",
"machine-bridge-mcp"
]
}
}
}Why this grade
Signal-based grade (1/7 points): public source code. This reflects adoption and transparency, not a code review.
Popularity and upkeep
- GitHub stars
- 1
- Weekly npm downloads
- 521
- Listing last refreshed
- 2026-10-28
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.
- Credential & token exposure: Requires API keys or secrets in configuration. Store credentials in environment variables with read-only or minimum required scopes and rotate them regularly.
- Dependency & version pinning: Distributed via npm (machine-bridge-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 Machine Bridge MCP?
Run npx -y machine-bridge-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/yuleifuyun/machine-bridge-mcp.
Are there security reports about Machine Bridge MCP?
No reports found for this package in our research (last checked 2026-10-30). Machine Bridge 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 Machine Bridge MCP actively maintained?
Machine Bridge MCP has 1 GitHub stars and 521 weekly npm downloads, with its latest repository commit pushed on 2026-10-23. Our directory data was last refreshed on 2026-10-28. Check recent commit activity, release tags, and open issues at github.com/yuleifuyun/machine-bridge-mcp before pinning it in production.
What are alternatives to Machine Bridge MCP?
You can compare Machine Bridge 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 Machine Bridge MCP? Show its live grade in your GitHub README, docs site, or run a check from the terminal before you install.
GitHub README Markdown:
[](https://agentarmorhq.com/skills/yuleifuyun-machine-bridge-mcp)HTML embed:
<a href="https://agentarmorhq.com/skills/yuleifuyun-machine-bridge-mcp"><img src="https://agentarmorhq.com/api/badge/yuleifuyun-machine-bridge-mcp" alt="AgentArmorHQ Risk Grade for Machine Bridge MCP" height="20" /></a>Terminal check:
curl -fsSL https://agentarmorhq.com/api/cli | node --input-type=module - check "yuleifuyun-machine-bridge-mcp"- Compare Machine Bridge MCP →
- Add to a team allowlist
- Claude and terminal guide →
- Download the PDF guide
Share with your security lead
Need sign-off to use machine-bridge-mcp? Copy this note for Slack, a ticket or a pull request.
### AgentArmorHQ Security Review Memo: machine-bridge-mcp
- **Listing URL:** https://agentarmorhq.com/skills/yuleifuyun-machine-bridge-mcp
- **Type:** App connector
- **Risk Grade:** Grade D (High risk signals)
- **Outside Security Advisories on File:** 0
- **Public Adoption:** 1 GitHub stars, 521 weekly npm downloads
#### 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:** Requires API key or token
- **Package source:** npm (machine-bridge-mcp)
#### Recommended Hardened Setup
- **Command:** `npx -y --ignore-scripts machine-bridge-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
- yuleifuyun
- Source code
- github.com/yuleifuyun/machine-bridge-mcp
- Install command
- npm install machine-bridge-mcp
- Est. context load
- ~900 tokens / turn (~5 tool schemas, 0.45% of 200k context)
- Popularity
- 1 GitHub stars, 521 weekly npm downloads
- Last updated
- 2026-10-28
- Last graded
- 2026-10-20
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