Turn any JavaScript module into a sandboxed MCP (Model Context Protocol) server with automatic reflection and type inference.
Turn any JavaScript module into a sandboxed MCP (Model Context Protocol) server with automatic reflection and type inference. That is what the mcp sandbox mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.
MCP Sandbox automatically converts JavaScript modules into MCP (Model Context Protocol) compatible servers, making any JavaScript function accessible to AI systems. It uses VM sandboxing for security, automatic type inference, and generates proper MCP configurations.
The server publishes 1 tool. What each one is for:
Installation — The Installation tool exposed by this serverThe server ships on npm as @mcp-sandbox/cli, so your MCP client can launch it on demand — there is no separate build step. Add the server block to your client's configuration, restart it, and the tools register themselves.
Among the developer tooling options, the useful question is rarely "what can it do" but "what does it cost you to run" — permissions, credentials, and how much of your context its toolset consumes. MCP Sandbox's toolset — Installation — is a fair guide to whether it matches your workflow. It is maintained by danstarns; worth a glance at recent repository activity before you build anything load-bearing on it.
This entry was verified against MCP Sandbox's own documentation before publication; SyncDev keeps the directory reviewed rather than auto-generated.
| Tool | What it does |
|---|---|
| Installation | The Installation tool exposed by this server. |
{
"mcpServers": {
"sandbox-danstarns": {
"command": "npx",
"args": ["-y", "@mcp-sandbox/cli"]
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
Kill hallucinated APIs — version-accurate, up-to-date library documentation injected straight into context.
Microsoft's official browser automation server — drive a real browser through the accessibility tree, no screenshots needed.
GitHub's official server — repos, issues, pull requests, Actions and code security, straight from your assistant.
Issue tracking at the speed of conversation — Linear's official hosted server with OAuth and zero install.
Local repository surgery — status, diffs, commits, branches and history for any repo on disk.
Timezone sanity for AI — current time anywhere and correct conversions, without the model doing date math.