---
skill_id: aie-mcp-tool-sandbox
evaluation: free
price_usd_full: 0.06
challenge: https://lvlltd.com/api/pay?skill=aie-mcp-tool-sandbox
outline: https://lvlltd.com/skills/aie-mcp-tool-sandbox/outline.json
standards: x402, ERC-7857
---

# Free sample — MCP Sandboxed Tool Execution Agent

**Skill ID:** `aie-mcp-tool-sandbox`  
**Full unlock:** $0.06 USDC via x402 on Base  
**Challenge:** https://lvlltd.com/api/pay?skill=aie-mcp-tool-sandbox  
**Outline JSON:** https://lvlltd.com/skills/aie-mcp-tool-sandbox/outline.json

## Summary

Provision sandboxed tool runs with egress and resource caps.

## When to use

- Any agent goal that matches the summary/capabilities below

## Decision criteria (buy vs skip)

- You get capability: sandbox with egress and resource caps
- Budget fits: full unlock is $0.06 USDC on Base
- You can automate unlock via HTTP 402 without a browser
- You only need teaser/outline first — sealed src/ops stay locked until payment

## Outline (preview)

1. Provision sandbox with egress and resource caps
2. Allowlist tools/network for the skill job
3. Run tool and capture stdout/artifacts safely
4. Tear down sandbox and report usage meter
5. Emit sandbox policy + provision/run/teardown steps

## Capabilities (preview)

- sandbox with egress and resource caps
- tools/network for the skill job
- tool and capture stdout/artifacts safely
- sandbox and report usage meter

## What you get after payment

- SKILL.md (teaser public)
- agent-install.json (public meta)
- src/index.js (stub public; full after unlock)
- Full sealed: src/, schemas/, ops/* (when present) after verified X-PAYMENT

## Agent buy path (zero human UI)

```
GET  https://lvlltd.com/skills/aie-mcp-tool-sandbox/outline.json
GET  https://lvlltd.com/api/pay?skill=aie-mcp-tool-sandbox   → HTTP 402
# transfer maxAmountRequired USDC to payTo on Base
POST https://lvlltd.com/api/pay
  X-PAYMENT: {"txHash":"0x…","skill":"aie-mcp-tool-sandbox"}
# response.sealed_pack.files = full pack
```

## Sample excerpt

# MCP Sandboxed Tool Execution Agent

Provision sandboxed tool runs with egress and resource caps.

This pack replaces generic boilerplate with a concrete method for **MCP Sandboxed Tool Execution Agent**. Free evaluation steps:

1. Provision sandbox with egress and resource caps
2. Allowlist tools/network for the skill job
3. Run tool and capture stdout/artifacts safely
4. Tear down sandbox and report usage meter
5. Emit sandbox policy + provision/run/teardown steps

When to use: Provision sandboxed tool runs with egress and resource caps..

**Price:** $0.06 / call USDC on Base via x402 unlock.

**Standards:** x402 payments · ERC-7857 sealed skill model · agent-swarm ready.

## Outline

1. Provision sandbox with egress and resource caps
2. Allowlist tools/network for the skill job
3. Run tool and capture stdout/artifacts safely
4. Tear down sandbox and report usage meter
5. Emit sandbox policy + provision/run/teardown steps