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Sandbox Timer

R0· no sign-in

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

v1.0.0 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality73new
Trust83of 100
Uptime, 30 days100%
Latency p50259 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "timer": {
      "type": "http",
      "url": "https://timer.cloudforbots.com/mcp"
    }
  }
}
claude mcp add --transport http timer https://timer.cloudforbots.com/mcp
[mcp_servers.timer]
url = "https://timer.cloudforbots.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "timer": {
      "type": "remote",
      "url": "https://timer.cloudforbots.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "timer": {
      "type": "http",
      "url": "https://timer.cloudforbots.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=timer&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vdGltZXIuY2xvdWRmb3Jib3RzLmNvbS9tY3AifQ%3D%3D"
}
{
  "servers": {
    "timer": {
      "type": "http",
      "url": "https://timer.cloudforbots.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "timer": {
      "httpUrl": "https://timer.cloudforbots.com/mcp"
    }
  }
}
extensions:
  "timer":
    enabled: true
    name: "timer"
    type: streamable_http
    uri: "https://timer.cloudforbots.com/mcp"
    timeout: 300

Quality 73 / 100new

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene71 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • fail
    tools.annotationsno tool declares readOnlyHint or destructiveHint, so clients cannot tell safe calls from risky ones
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: track_sessions (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); idle_report (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); set_idle_rules (readOnlyHint, destructiveHint, idempotentHint, openWorldHint); …
  • pass
    tools.token_costabout 1,034 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stabilityn/a · weight 15
  • n/a
    stability.changes, stability.rug_pulltool history recorded for 2 of the 7 days needed
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

5 tools, about 1,034 tokens to load them all · tool set 547f8afc8bc4 · checked 2026-10-19 10:20 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 83 / 100

no-repository
provenance55
liveness100
freshness100
hygiene80

+dns-namespace +website +reachable +uptime-100% +updated-3d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://timer.cloudforbots.com/mcp streamable-httpnoneyes100%259 ms2025-11-252026-10-19

Tools (5)

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.
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).
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.
usage_and_upgradeShow today's usage for your key or IP and the $9/month upgrade link. Free tier: 500 calls/day. Not metered.
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.

Schemas: list_tools.

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Official server.json
{
  "name": "com.botrecipe/timer",
  "title": "Sandbox Timer",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://timer.cloudforbots.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.0",
  "websiteUrl": "https://timer.cloudforbots.com",
  "description": "Flags idle agent sandboxes (E2B, Vercel, Daytona, Modal), shows idle cost, returns kill calls."
}