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cron-explainer

R0· no sign-in

Cron expression parser: explains any cron + returns next N fire times. Timezone-aware.

v0.1.2 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality79good
Trust90of 100
Uptime, 30 days96%
Latency p50149 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "cron-explainer": {
      "type": "http",
      "url": "https://cron-explainer.cron-explainer-prod.workers.dev/mcp"
    }
  }
}
claude mcp add --transport http cron-explainer https://cron-explainer.cron-explainer-prod.workers.dev/mcp
[mcp_servers.cron-explainer]
url = "https://cron-explainer.cron-explainer-prod.workers.dev/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "cron-explainer": {
      "type": "remote",
      "url": "https://cron-explainer.cron-explainer-prod.workers.dev/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "cron-explainer": {
      "type": "http",
      "url": "https://cron-explainer.cron-explainer-prod.workers.dev/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=cron-explainer&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vY3Jvbi1leHBsYWluZXIuY3Jvbi1leHBsYWluZXItcHJvZC53b3JrZXJzLmRldi9tY3AifQ%3D%3D"
}
{
  "servers": {
    "cron-explainer": {
      "type": "http",
      "url": "https://cron-explainer.cron-explainer-prod.workers.dev/mcp"
    }
  }
}
{
  "mcpServers": {
    "cron-explainer": {
      "httpUrl": "https://cron-explainer.cron-explainer-prod.workers.dev/mcp"
    }
  }
}
extensions:
  "cron-explainer":
    enabled: true
    name: "cron-explainer"
    type: streamable_http
    uri: "https://cron-explainer.cron-explainer-prod.workers.dev/mcp"
    timeout: 300

Quality 79 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-06-18; 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: explain_cron (readOnlyHint, destructiveHint, idempotentHint, openWorldHint)
  • pass
    tools.token_costabout 161 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

1 tools, about 161 tokens to load them all · tool set 35a43f8264de · 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 90 / 100

provenance90
liveness99
freshness65
hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-96% ~updated-179d-ago

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://cron-explainer.cron-explainer-prod.workers.dev/mcp streamable-httpnoneyes96%149 ms2025-06-182026-10-19

Tools (1)

explain_cronParse a POSIX/Vixie cron expression and return the next N fire times plus an English description. Timezone-aware (IANA). Best-effort accuracy. Billed at 1 EUR cent per successful call; non-2xx responses are refunded.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.IdoAzaCalls/cron-explainer",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-09-29/server.schema.json",
  "remotes": [
    {
      "url": "https://cron-explainer.cron-explainer-prod.workers.dev/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "0.1.2",
  "repository": {
    "url": "https://github.com/IdoAzaCalls/cron-explainer",
    "source": "github"
  },
  "websiteUrl": "https://cron-explainer.cron-explainer-prod.workers.dev/",
  "description": "Cron expression parser: explains any cron + returns next N fire times. Timezone-aware."
}