The CodeSandbox MCP server, built by techlibs (Community), provides a Model Context Protocol server that exposes the official CodeSandbox SDK as MCP tools for AI agents, built by techlibs. It is community-built and best for Coding & Dev.
by techlibs (Community)
About
A Model Context Protocol server that exposes the official CodeSandbox SDK as MCP tools for AI agents, built by techlibs. This is a community project (not an official CodeSandbox release) — the previously-listed `codesandbox/mcp-server` repo does not exist. Unlike simpler read-only sandbox browsers, this server is fully stateless and covers the entire sandbox lifecycle: `createSandbox` (optionally forking a template, with privacy/title/tags/VM-tier/hibernation settings), `resumeSandbox` and `hibernateSandbox` for VM power state, `getSandboxInfo` for metadata without starting the VM, and `updateSandbox` for changing VM tier (Pico through XLarge) or hibernation timeout. File and shell access go through per-call sessions — `createSession`/`resumeSession` (with read/write permission, environment variables, and optional Git identity for commits) back `readFile`, `readdir`, and `writeFile`, all of which connect per call using a sandboxId + sessionId rather than holding open server-side state. A `--read-only` CLI flag disables all mutating tools and defaults new sessions to read permission, which is the recommended mode for agents you don't fully trust with a live VM. Requires a `CODESANDBOX_API_TOKEN` (or `CSB_API_KEY`) from your CodeSandbox account and Node.js 18+. Run via `npx @techlibs/codesandbox-mcp` in any MCP client config; the CLI binary is `mcp-server-codesandbox`.
Trust verdict
How grades are computed →Grade B (79/100, solid) from 1 measured signal, based on repository evidence. Only one signal stands behind it, so treat the grade as provisional.
What was measured
- Repository maintenance55/100 · weight 20
The last push or release is between six and eighteen months old. — last push 2025-09-23.
- Source verification100/100 · weight 25
The repository URL was confirmed to resolve against the live GitHub API and is not archived.
- Provenance65/100 · weight 10
Community-built. That is not a mark against it — most of the ecosystem is community-built — but there is no vendor accountable for keeping it working.
- Listing ↔ repository match100/100 · weight 5
The listing name lines up with the linked repository techlibs/codesandbox-mcp.
What could not be measured
These contributed nothing to the score — not a penalty, not a zero. They are why the confidence reads the way it does.
- Live MCP handshakeunknown
No remote endpoint to handshake — this server installs and runs locally over stdio, so there is nothing to probe from the outside.
- Measured uptimeunknown
No probe history recorded for this server yet.
- Tool-schema stabilityunknown
Drift is a difference between two successive checks, and this server has none recorded.
Installation
npx -y @techlibs/codesandbox-mcp@latest --read-only@techlibs/codesandbox-mcp confirmed live on the npm registry — checked August 17, 2026.
Categories
Frequently Asked Questions
What is CodeSandbox MCP Server?
Who built CodeSandbox MCP Server?
Is CodeSandbox MCP Server free?
How do I install CodeSandbox MCP Server?
What does CodeSandbox MCP Server integrate with?
Repo Health
Local/stdio install — runs on your machine, so there is no remote endpoint to verify live. Trust signal below is from the source repo.
- Last commit
- 11mo ago
- Install
- npm
- Package
- @techlibs/codesandbox-mcp@latest
Quick Info
- Install Type
- npm
- Author
- techlibs (Community)
- Categories
- 2
- Integrations
- 5
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