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About
Execute bash commands with background job support.
Security Report
0.5
Use Caution0.5Critical RiskThis MCP server provides unrestricted bash command execution with no authentication, authorization, or input validation. Any user or AI assistant with access can execute arbitrary shell commands with the full permissions of the process owner, including file operations, system modifications, and potentially data exfiltration. The server explicitly exposes dangerous operations (rm, mv, etc.) as documented use cases without any sandboxing or restrictions. Supply chain analysis found 5 known vulnerabilities in dependencies (1 critical, 2 high severity). Package verification found 1 issue.
7 files analyzed · 16 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
Unverified package source
We couldn't verify that the installable package matches the reviewed source code. Proceed with caution.
What You'll Need
Set these up before or after installing:
Transport type.
Environment variable: MCP_TRANSPORT
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-domdomegg-shell-exec-mcp": {
"env": {
"MCP_TRANSPORT": "your-mcp-transport-here"
},
"args": [
"-y",
"shell-exec-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
shell-exec-mcp
MCP server for executing bash commands with background job support.
Use Cases
Run build commands: Execute npm run build, make, or other build tools and get the output.
File operations: Use find, grep, mv, rm, mkdir -p, stat etc. for file management.
Long-running tasks: Start servers or watch processes in background mode, check on them later.
System info: Run df -h, ps aux, env etc. to inspect the system state.
Setup
claude mcp add shell-exec-mcp -- npx -y shell-exec-mcp
Or with HTTP transport:
# Start the server
MCP_TRANSPORT=http PORT=3000 npx -y shell-exec-mcp
# Add to Claude
claude mcp add --transport http shell-exec-mcp http://localhost:3000/mcp
Tools
| Tool | Description |
|---|---|
execute | Run a bash command (with optional timeout and background mode) |
get_job_status | Check status of a background job |
Contributing
Pull requests are welcomed on GitHub! To get started:
- Install Git and Node.js
- Clone the repository
- Install dependencies with
npm install - Run
npm run testto run tests - Build with
npm run build
Releases
Versions follow the semantic versioning spec.
To release:
- Use
npm version <major | minor | patch>to bump the version - Run
git push --follow-tagsto push with tags - Wait for GitHub Actions to publish to the NPM registry.
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