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Cron Schedule Audit

Validates cron expressions and finds DST bugs that make jobs silently skip or double-fire.

Connector by tylerscomic-lab · GitHub account verified by the MCP Registry

IndexedMITRemote (HTTP)
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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/tylerscomic-lab-cron-schedule-audit-mcp

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://cron-schedule-audit-mcp.mcpize.run/mcp Remote (HTTP)

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About

Validates cron expressions and finds DST bugs that make jobs silently skip or double-fire.

Reviews

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
3 read · 0 write · 0 deleteRead-only
Secrets
None asked for
Install scripts
Nothing to install (hosted)
Runs as
Hosted (remote endpoint)

Tools by what they do 3

Read from the source code; the running server may list different tools.

Read 3 · Look things up without changing anything.

  • detect_dst_risk
  • get_next_fire_times
  • validate_cron_expression

Network hosts it talks to 1

  • cron-schedule-audit-mcp.mcpize.run · found in remote endpoint, install command

Tools (3)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • detect_dst_risk

    Scan a cron expression forward across a full year in a given IANA timezone and report every date where its scheduled local time falls into a DST gap (silently skipped) or overlap (fires twice) window. Use this on any job scheduled in the 1-4am local window before you ship it — this is the single most common "why did my cron job not run that one day" support ticket.

  • get_next_fire_times

    Compute the next N times a cron expression will actually fire, correctly accounting for the given IANA timezone's DST transitions (using the platform tz database, not a fixed UTC offset — this is the part that's easy to get subtly wrong by hand). If a scheduled local time falls in a spring-forward gap it is skipped and flagged; if it falls in a fall-back overlap both real firings are returned and flagged as ambiguous.

  • validate_cron_expression

    Validate a cron expression's syntax AND flag the semantic footguns that valid-but-wrong expressions hit in practice: day-of-month/day-of-week OR-not-AND semantics, every-minute schedules, day-of-month values that some months never have (31, 30, 29), and a nudge to check DST risk for anything scheduled in the 1-3am window. Also returns a plain-English explanation of what the expression actually means.

Signals

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Last commit
Jul 25, 2026 (3 months ago)
Last release
Jul 25, 2026 (3 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name
io.github.tylerscomic-lab/cron-schedule-audit-mcp
Version
1.0.0
Auth
Auth not stated
License
MIT
Repository
github.com/tylerscomic-lab/cron-schedule-audit-mcp
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registrygithub-graphql

More from tylerscomic-lab

Cite this page

Cron Schedule Audit MCP server. Agent Mart. https://agentmart.dev/connectors/tylerscomic-lab-cron-schedule-audit-mcp (last updated 2026-10-24)