How do I install fcvm?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 55 (Fair). The formula is published on the methodology page.

MCPpedia

fcvm MCP Server — Install for Claude, Cursor & VS Code | MCPpedia

fcvm MCP Server

Name: fcvm MCP Server
Author: carlosbravoa

Disposable Firecracker microVM sandboxes for agents: run code, snapshot, fork. Needs Linux with KVM.

Tools Versions Alternatives

Registrycarlosbravoa

55Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "carlosbravoa-mcp": {
      "command": "uvx",
      "args": [
        "fcvm-mcp"
      ],
      "env": {
        "FCVM_MCP_NETWORK": "",
        "FCVM_MCP_TEMPLATE": "",
        "FCVM_MCP_TTL": "",
        "FCVM_MCP_IDLE_STOP": "",
        "FCVM_MCP_SECRETS": "",
        "FCVM_MCP_FORWARD": "",
        "FCVM_MCP_CACHE": "",
        "FCVM_MCP_JAIL": "",
        "FCVM_BIN": ""
      }
    }
  }
}

Install guide

Related servers

kordoc

83Excellent

Parse Korean documents (HWP, HWPX, PDF, XLSX, DOCX, PPTX) to Markdown; fill forms, diff, render.

Registrychrisryugj2.5K stars44.2K/wk

pagespeed-insights-mcp

75Good

Google PageSpeed Insights and CrUX: six workflow tools for web performance.

Environment

Name	Required	Notes
FCVM_MCP_NETWORK	No	Pin the network policy for every sandbox: none, or an allowlist such as @pypi,@github
FCVM_MCP_TEMPLATE	No	Template used when the agent names neither an image nor a template, e.g. python-sandbox
FCVM_MCP_TTL	No	Stop sandboxes this long after boot unless the agent sets a lifetime, e.g. 4h
FCVM_MCP_IDLE_STOP	No	Stop sandboxes that saw no exec or file operation for this long, e.g. 30m
FCVM_MCP_SECRETS	No	Names of environment variables passed into every sandbox as secrets, e.g. GITHUB_TOKEN
FCVM_MCP_FORWARD	No	Host credentials relayed into every sandbox: ssh-agent, git
FCVM_MCP_CACHE	No	1: restricted sandboxes fetch pip and npm packages through the host's mirror
FCVM_MCP_JAIL	No	0: don't run sandboxes under the Firecracker jailer even when it is set up
FCVM_BIN	No	Path of the fcvm command, when it isn't on PATH, in ~/.local/bin or in /usr/local/bin

fcvm MCP Server

Install

Related servers

kordoc

pagespeed-insights-mcp

Environment

Tools

About

FAQ

Reviews

Hive Intelligence MCP

Screaming Frog SEO Spider MCP Server (headless)

Kilotest

Actual Budget