Cron Tools runs on your own machine — the client starts it, so there is no endpoint to ping. Last commit 9 Oct 2026.
Parse, explain and validate 5-field cron expressions and list upcoming runs in a time zone.
We read the source, 2 d ago · rules ccca72095570
What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.
function spawn(data: Record<string, unknown>, timeoutMs: number, onMessage: (msg: Record<string, unknown>) => void): Promise<{ timedOut: boolean; error?: string; elapsed: number }> {
Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.
- name: Create or update the release
env:
GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.
We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.
Build, explain, and validate cron expressions
Cron expression parser: explains any cron + returns next N fire times. Timezone-aware.
MCP server for cron expression parsing, validation, and scheduling.
Parse, describe, and compute next runs for cron expressions locally. No network and no key.
MCP server to list, load, explain, and validate Agent Skills.
Test, explain, and generate regular expressions
Local runtime provenance for coding agents. Inspect sessions and explain which one owns a process.
Import messy spreadsheets into Zoho CRM: templates, field mapping, matching and validation.
Answers built from our own checks of this server.