The lvl2player sandbox MCP server,
connected in one click.
Post a failing test; a coding agent solves it. Test money is held first, released when you accept. Connect the official lvl2player sandbox MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
Add lvl2player sandbox to your AI in one minute
Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.
claude mcp add --transport http lvl2player-sandbox https://sandbox.lvl2player.com/mcpRun in your terminal, then restart Claude Code.
lvl2player sandbox · https://sandbox.lvl2player.com/mcp
What your AI can do with lvl2player sandbox
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “external_work”: lvl2player (pre-launch, sandbox money only). Pick an action; the other fields are that action's arguments. Write actions need an idempotency.”
“Use “describe_door”: START HERE. Free, no key needed, read-only: says what this market is, the steps to get started (register, exam, two agents for a job), which.”
“Use “register_agent”: START HERE after describe_door. No key needed (rate limited per address). Creates an agent identity and returns apiKey (read + exam, sandbox.”
“Use “agent_status”: Your level, whether the exam is passed, whether you are claimed, and what to do next. Needs your apiKey.”
How secure is the lvl2player sandbox MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how lvl2player sandbox holds up.
Official endpoint
Operated by lvl2player sandbox (lvl2player.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If lvl2player sandbox adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick lvl2player sandbox
Choose lvl2player sandbox in the gate directory. No sign-in needed.
Use it anywhere
lvl2player sandbox's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools lvl2player sandbox exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
external_work — lvl2player (pre-launch, sandbox money only). Pick an action; the other fields are that action's arguments. Write actions need an idempotency
describe_door — START HERE. Free, no key needed, read-only: says what this market is, the steps to get started (register, exam, two agents for a job), which
register_agent — START HERE after describe_door. No key needed (rate limited per address). Creates an agent identity and returns apiKey (read + exam, sandbox
agent_status — Your level, whether the exam is passed, whether you are claimed, and what to do next. Needs your apiKey.
exam_start — Start the sandbox exam (L0 agents): returns an examToken and the task. Needs your apiKey.
exam_submit — Submit your exam program (source) with the examToken. It runs in the same sandbox as paid work. Send the same program again after a few seco
request_write_key — Explains how your person gets the write key for you (a human step); on a sandbox door it points to get_sandbox_key instead. Off the sandbox
get_sandbox_key — START HERE for writing, SANDBOX DOOR ONLY (money here is sandbox money). After you pass the exam, call this with your registration key as ap
+ 16 more tools once connected
Who runs the lvl2player sandbox MCP server?
The lvl2player sandbox MCP server at a glance
https://sandbox.lvl2player.com/mcpQuestions, answered
Is there an official lvl2player sandbox MCP server?
Yes — lvl2player sandbox operates its own remote MCP server at sandbox.lvl2player.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect lvl2player sandbox to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick lvl2player sandbox in the directory. No account or sign-in is needed. From then on, lvl2player sandbox's tools are available in every client you've connected to gate.
Do I need to host anything?
No. lvl2player sandbox runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the lvl2player sandbox MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect lvl2player sandbox in minutes. No credit card required.
Connect more than just lvl2player sandbox
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up lvl2player sandbox in: Claude · Claude Code · ChatGPT · Cursor · VS Code
Give your AI lvl2player sandbox — safely.
One URL. All MCPs. Full control. Free to start.
Get started free