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Sandbox Timer

Part ofSandbox TimerMCP server

Flags idle agent sandboxes (E2B, Vercel, Daytona, Modal), shows idle cost, returns kill calls.

First seen 16 Oct 2026. Evidence as of 17 Oct 2026.

5
Tools
From an anonymous probe
1
Source listings
Each with its own history
1
Recorded changes
Since first seen

Tools

ToolDescriptionBehaviour
idle_reportWhich sandboxes were flagged idle and what idle time cost, per provider, from what track_sessions has seen. Without an API key pass fleet. With a key: every fleet on it. Free shows 7 days, Pro 30.Not declared
set_idle_rulesPro: save the rules track_sessions applies to a fleet: idle_minutes threshold, max_lifetime_minutes, default rates_per_hour by provider, and alert_webhook. Free returns a preview of the rules and saves nothing (pass the same values on each track_sessions call instead).Not declared
track_sessionsSend your agent's running sandbox sessions (up to 200; call it on a heartbeat, e.g. every 5 minutes) and get back which are idle past your threshold or over their max lifetime, the dollars idle time has cost at the hourly rates you pass, and what to do. Pro acts: returns a ready-to-run kill call per idle sandbox for its provider (E2B kill, Vercel Sandbox stop, Daytona stop, Modal terminate) and POSTs one alert per sandbox to your webhook. Free watch-only returns would_kill and sends nothing. We never hold provider keys and never kill anything ourselves: your agent runs the call with its own key.Not declared
usage_and_upgradeShow today's usage for your key or IP and the $9/month upgrade link. Free tier: 500 calls/day. Not metered.Not declared
weekly_reportPlain-English summary of the last 7 days: sandboxes watched, how many sat idle, dollars idle time cost at your rates, kill calls returned (Pro) or that would have been (free). Read-only; sends nothing. Needs a free API key.Not declared

Change history

  1. Listed (registry)
Source listings
SourceListingFirst seenLast seenVersions
Official MCP Registrycom.botrecipe/timer16 Oct 202617 Oct 20261